CN109592764A - Method and sedimentation agent for methanol-to-olefins chilling water system good antiscale property - Google Patents
Method and sedimentation agent for methanol-to-olefins chilling water system good antiscale property Download PDFInfo
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- CN109592764A CN109592764A CN201710918424.XA CN201710918424A CN109592764A CN 109592764 A CN109592764 A CN 109592764A CN 201710918424 A CN201710918424 A CN 201710918424A CN 109592764 A CN109592764 A CN 109592764A
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- 238000000034 method Methods 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 63
- 239000003795 chemical substances by application Substances 0.000 title claims description 10
- 238000004062 sedimentation Methods 0.000 title description 2
- 239000000203 mixture Substances 0.000 claims abstract description 51
- 229920006317 cationic polymer Polymers 0.000 claims abstract description 44
- 125000002091 cationic group Chemical group 0.000 claims abstract description 42
- 239000008394 flocculating agent Substances 0.000 claims abstract description 29
- 239000012736 aqueous medium Substances 0.000 claims abstract description 28
- 239000007787 solid Substances 0.000 claims abstract description 21
- 239000000178 monomer Substances 0.000 claims abstract description 19
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims description 22
- 239000003054 catalyst Substances 0.000 claims description 13
- 229920001577 copolymer Polymers 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 150000001768 cations Chemical class 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 229920001897 terpolymer Polymers 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000001399 aluminium compounds Chemical class 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- OEIXGLMQZVLOQX-UHFFFAOYSA-N trimethyl-[3-(prop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCCNC(=O)C=C OEIXGLMQZVLOQX-UHFFFAOYSA-N 0.000 claims description 3
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 claims description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 2
- 150000004645 aluminates Chemical class 0.000 claims 1
- 235000019270 ammonium chloride Nutrition 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- UCCDUMHVMOCMTB-UHFFFAOYSA-N n,n-dimethylpent-2-en-3-amine Chemical group CCC(=CC)N(C)C UCCDUMHVMOCMTB-UHFFFAOYSA-N 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 25
- 239000000654 additive Substances 0.000 description 22
- -1 and in the reactor Substances 0.000 description 21
- 230000000996 additive effect Effects 0.000 description 17
- 229920000642 polymer Polymers 0.000 description 16
- 239000000047 product Substances 0.000 description 9
- 238000005406 washing Methods 0.000 description 9
- 125000000217 alkyl group Chemical group 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 150000001412 amines Chemical group 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 229960003237 betaine Drugs 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010538 cationic polymerization reaction Methods 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- RBACIKXCRWGCBB-UHFFFAOYSA-N 1,2-Epoxybutane Chemical compound CCC1CO1 RBACIKXCRWGCBB-UHFFFAOYSA-N 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- MPNXSZJPSVBLHP-UHFFFAOYSA-N 2-chloro-n-phenylpyridine-3-carboxamide Chemical compound ClC1=NC=CC=C1C(=O)NC1=CC=CC=C1 MPNXSZJPSVBLHP-UHFFFAOYSA-N 0.000 description 1
- WROUWQQRXUBECT-UHFFFAOYSA-N 2-ethylacrylic acid Chemical compound CCC(=C)C(O)=O WROUWQQRXUBECT-UHFFFAOYSA-N 0.000 description 1
- OYINQIKIQCNQOX-UHFFFAOYSA-M 2-hydroxybutyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCC(O)C[N+](C)(C)C OYINQIKIQCNQOX-UHFFFAOYSA-M 0.000 description 1
- BCFOOQRXUXKJCL-UHFFFAOYSA-N 4-amino-4-oxo-2-sulfobutanoic acid Chemical compound NC(=O)CC(C(O)=O)S(O)(=O)=O BCFOOQRXUXKJCL-UHFFFAOYSA-N 0.000 description 1
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical class C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000004348 Glyceryl diacetate Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- GNVMUORYQLCPJZ-UHFFFAOYSA-M Thiocarbamate Chemical compound NC([S-])=O GNVMUORYQLCPJZ-UHFFFAOYSA-M 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 1
- 125000005599 alkyl carboxylate group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001408 amides Chemical group 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JJTDIRSCDLGMRU-UHFFFAOYSA-N azane;prop-2-enamide Chemical compound N.NC(=O)C=C JJTDIRSCDLGMRU-UHFFFAOYSA-N 0.000 description 1
- 229940073608 benzyl chloride Drugs 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 235000019443 glyceryl diacetate Nutrition 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 150000002462 imidazolines Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 229950007687 macrogol ester Drugs 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- VEYCPJGKKJULEP-UHFFFAOYSA-N prop-2-enoic acid sulfuric acid Chemical compound OC(=O)C=C.OS(O)(=O)=O VEYCPJGKKJULEP-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical class O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Method and composition for removing solid from aqueous medium in alkene production technology is described.The method and composition can also prevent or reduce fouling in the alkene production technology.The method may include composition is added to the aqueous medium, and the composition may include the settling aids selected from cationic polymer, cationic flocculants or any combination thereof.The cationic polymer may include acrylamide and cationic monomer.
Description
Technical field
The disclosure, which relates generally to, prevents or reduces fouling.More specifically, this disclosure relates at methanol-to-olefins (MTO)
The composition and method of fouling are prevented or reduced in technique.
Background technique
MTO technique converts methanol into other commodity product(s)s, such as alkene and gasoline.The methanol used in MTO technique can
The synthetic gas derived from coal (" synthesis gas ") or gas material are made.It can hydrogen and an oxygen in the synthesis gas as derived from coal
The catalyzed conversion for changing carbon generates methanol.MTO technology utilization zeolite catalyst is economically feasible the conversion of methanol to olefins.
MTO technique includes that crude carbinol is fed in the reactor containing catalyst, and in the reactor, methanol is converted to alkene.
Reaction product is left reactor and is fed in chilling tower or stripper.Leaving the gas of chilling tower or stripper then can be with
Proceed to other processing and purification unit, such as domethanizing column, acetylene saturator or drier, with generate pure ethylene, propylene or
Other alkene.
The complicated chemical reaction net of alkene experience is formed by methanol, potentially results in form a variety of by-products or unwanted
Substance.By-product or unwanted substance and catalyst fines leave reactor, are present in reaction gas.It is reacted from MTO
Catalyst fines and by-product (such as polymethyl-benzene) are carried in chilling tower or stripper by the reaction gas of device.By-product or not
The substance needed becomes entrainment in water, and will cause in chilling water loop and/or washing water loop, especially heat exchanger
In fouling.
MTO technique converts methanol into alkene using catalytic reactor.Reacting product stream, which can also contain, to be become being entrained in
Catalyst fines and byproduct of reaction in chilled water (chw) or washing water, such as polymethyl-benzene.The catalyst being entrained in process water is thin
Grain and byproduct of reaction make downstream process equipment fouling.For example, heat exchanger tube can significantly become fouling, lead to hot biography
The loss passed and process efficiency reduce.Fouling causes the increase of the cleaned off-line frequency carried out using high pressure washing, and in machine
After tool cleaning, effectiveness of heat exchanger is usually irrecoverable.In addition, fouling can upset quenching water column, washing water tower, rotary filter press
Device, water vaporization tower and in technique water loop any position operation.Sometimes, fouling is so serious so that MTO equipment must
It must shut down and manually be cleaned.
Summary of the invention
In some embodiments, the method for the aqueous medium of open processing methanol-to-olefins (MTO) technique.Method may include
Composition is added to MTO process water, wherein composition may include selected from cationic polymer, cationic flocculants and its appointing
The settling aids of what combination.
In some embodiments, method may include removing solid from MTO process water.
In some embodiments, method may include being removed from MTO process water admittedly using cyclone hydraulic separators or separation tank
Body.
In some embodiments, solid may include catalyst fines.
In some embodiments, solid may include silicoaluminophosphate (aluminosilicophosphate).
In some embodiments, composition may include the mixture of cationic polymer and cationic flocculants.
In some embodiments, composition may include cationic flocculants.
In some embodiments, composition may include solvent.
In some embodiments, composition may include solvent, and solvent can be water, alcohol or any combination thereof.
In some embodiments, cationic polymer can be dimethylamine-epichlorohydrin copolymer (EPI-DMA) or diformazan
Amine-epichlorohydrin-hexamethylene diamine terpolymer (EPI-DMA-HMDA).
In some embodiments, cationic polymer can be linear.
In some embodiments, cationic polymer may include acrylamide and cationic monomer.
In some embodiments, cationic monomer can be selected from dimethylamino ethyl methacrylate benzyl villaumite
(DMAEM.BCQ), dimethylamino ethyl acrylate benzyl villaumite (DMAEA.BCQ), dimethylamino ethyl acrylate
Villaumite (DMAEA.MCQ), dimethylamino ethyl acrylate villaumite (DEAEA.MCQ), dimethylamino ethyl metering system
Acid esters methyl villaumite (DMAEM.MCQ), dimethylamino ethyl methacrylate Methylsulfate (DMAEM.MSQ), dimethylamine
Base ethylacrylic acid ester methyl sulfate (DMAEA.MSQ), methacryiamidopropyl trimethyl ammonium chloride (MAPTAC), third
Acrylamide base hydroxypropyltrimonium chloride (APTAC) and any combination thereof.
In some embodiments, cationic monomer can be DMAEA.MCQ.
In some embodiments, cationic polymer can be added with the amount in the range of about 1ppm to about 1000ppm
To MTO process water.
In some embodiments, cationic polymer can be added to the amount in the range of about 1ppm to about 200ppm
MTO process water.
In some embodiments, cationic flocculants may include aluminium compound.
In some embodiments, cationic flocculants may include aluminium polychloride.
In some embodiments, cationic flocculants can be added with the amount in the range of about 10ppm to about 1000ppm
To MTO process water.
In some embodiments, cationic flocculants can be added with the amount in the range of about 10ppm to about 500ppm
To MTO process water.
In other embodiments, the purposes for handling the composition of the aqueous medium of MTO technique is disclosed.Composition can be with
Including being selected from cationic polymer, cationic flocculants and its any combination of settling aids.
The feature and technological merit for rather broadly having outlined the disclosure above, allow to more fully understand hereafter
Specific embodiment.The supplementary features and advantage of the disclosure are described below, the supplementary features and advantage form this Shen
Claimed subject matter please.It will be understood by a person skilled in the art that disclosed concept and specific embodiment can be used easily
Make an amendment or designed for carry out the disclosure identical purpose other embodiments basis.Those skilled in the art should also anticipate
Know, this kind of Coordinator Embodiment does not depart from the spirit and scope of the present disclosure as illustrated in the dependent claims.
Specific embodiment
Various embodiments are described below.Each element of embodiment can be more fully understood with reference to following specific embodiments
Relationship and function.However, embodiment those of is not limited to be illustrated below embodiment.In some cases, it is convenient to omit for
Understand the unnecessary details of presently disclosed embodiment.
Disclosure description in alkene production technology from aqueous medium for removing the method and composition of solid.Method
With composition fouling can also be prevented or reduced in alkene production technology.
In some embodiments, the open method for handling the aqueous medium of MTO technique.Method may include that will combine
Object is added to aqueous medium, and composition may include selected from cationic polymer, cationic flocculants and any combination thereof
Settling aids.
In some embodiments, aqueous medium is MTO process water.As used herein, " MTO process water ", which refers to, has connect
Touching or the water that the reacting product stream from MTO reactor will be contacted.MTO process water can contact instead in chilling tower or stripper
Answer product stream.
In some embodiments, composition may include the mixture of cationic polymer and cationic flocculants.At it
In its embodiment, composition can be made of cationic polymer, cationic flocculants and solvent.In some embodiments, group
Closing object may include cationic flocculants.In some embodiments, composition may include cationic polymer.In some implementations
In example, composition can be made of cationic polymer.In some embodiments, composition can be substantially by cationic polymerization
Object and cationic flocculants composition.
In some embodiments, cationic polymer can be linear.In other embodiments, cationic polymer can
Think branching.As used herein, " branched polymer " refer on wherein polymer chain at least one substituent group (such as
Hydrogen) by the polymer of the chain replacement of the covalently bonded of same polymer.
In some embodiments, cationic polymer can be network polymers.As used herein, " network polymers "
Refer to and is crosslinked linear or branched polymer.Crosslinking between polymer can be covalent.
In some embodiments, cationic polymer includes acrylamide and cationic monomer.Monomer refers to any gather
Molecule is closed, such as polymerization can cause and increase via free radical or carry out by condensation reaction.
In some embodiments, cationic polymer can be dimethylamine-epichlorohydrin copolymer (EPI-DMA) or diformazan
Amine-epichlorohydrin-hexamethylene diamine terpolymer (EPI-DMA-HMDA).
In some embodiments, cationic monomer can be any positively charged acrylate or methacrylate list
Body, such as dimethylamino ethyl methacrylate benzyl villaumite (DMAEM.BCQ), dimethylamino ethyl acrylate benzyl chloride
Salt (DMAEA.BCQ), dimethylamino ethyl acrylate villaumite (DMAEA.MCQ), dimethylamino ethyl acrylate first
Base villaumite (DEAEA.MCQ), dimethylamino ethyl methacrylate methyl villaumite (DMAEM.MCQ), dimethylamino ethyl first
Base acrylate sulfate (DMAEM.MSQ), dimethylamino ethyl acrylate sulfate (DMAEA.MSQ), first
Base acrylamidopropyl trimethyl ammonium chloride (MAPTAC) or acrylamidopropyl trimethyl ammonium chloride (APTAC).
Cationic polymer may include the mixture of single cationic monomer or different cationic monomers.Cationic polymerization
The non-limiting example of object is the copolymer of acrylamide and DMAEA.MCQ.In some embodiments, cationic monomer can be
DMAEA.MCQ。
In some embodiments, the weight average molecular weight of cationic polymer can be greater than about 100,000 dalton.Divide equally again
The range of son amount can in about 100,000 dalton to about 5,000,000 dalton, about 1,000,000 dalton to about 5,
000,000 dalton or about 1,000,000 to about 10,000,000 dalton.The RSV of polymer can be about 2dl/g to about
40dl/g.In some embodiments, RSV can range from about 3dl/g to about 26dl/g, and about 3dl/g is to about 10dl/g, about
10dl/g to about 15dl/g, about 16dl/g are to about 26dl/g.Viscosimeter can be used to measure RSV.
In some embodiments, cationic polymer may include acrylamide, the range phase of the amount of the acrylamide
For comonomer any other in cationic polymer in about 5 moles of % to about 85 moles of %.In some embodiments, sun from
The amount of acrylamide can be about 35 moles of % in sub- monomer, and about 40 moles of %, about 45 moles of %, about 50 moles of %, about 55 rub
You are %, about 60 moles of % or about 65 mole of %.
In some embodiments, the range of the amount of cationic monomer can be in about 10mol% to about in cationic polymer
90mol%.In some embodiments, the range of the amount of cationic monomer can be in about 20mol% to about in cationic polymer
90mol%, about 50mol% are to about 90mol%, about 60mol% to about 90mol% or about 70mol% to about 90mol%.Mol%
Refer to relative quantity of the monomer relative to other polymer in cationic polymer.Cationic monomer in cationic polymer
Mol% is also characterized by the charge of polymer.
As used herein, " copolymer " refers to the polymer containing at least two polymerisable monomers.Copolymer can wrap
Include random copolymer, block copolymer or graft copolymer.Copolymer may include (but being not limited to) linear, branching, it is hyperbranched,
Star and dendritic structure.
In some embodiments, cationic polymer can be added with the amount in the range of about 1ppm to about 1000ppm
To aqueous medium.It in some embodiments, can be to be arrived in about 1ppm to about 200ppm, about 1ppm to about 50ppm, about 10ppm
About 50ppm, about 5ppm are to about 20ppm, and about 30ppm to about 50ppm, about 10ppm to about 20ppm or about 35ppm are to about 45ppm's
Cationic polymer is added to aqueous medium by the amount of range.In some embodiments, the cation for being added to aqueous medium is poly-
The amount for closing object can be about 15ppm, about 20ppm, about 30ppm or about 40ppm.
In some embodiments, cationic flocculants may include aluminium compound.In some embodiments, cation cohesion
Agent may include aluminium polychloride.
In some embodiments, cationic flocculants can be added with the amount in the range of about 10ppm to about 1000ppm
To aqueous medium.It in some embodiments, can be in about 10ppm to about 500ppm, about 50ppm be to about 500ppm, about
100ppm to about 500ppm, about 100ppm are to about 400ppm, about 100ppm to about 300ppm or about 100ppm to about 250ppm's
Cationic flocculants are added to aqueous medium by the amount of range.In some embodiments, the cation for being added to aqueous medium is solidifying
The amount of poly- agent can be about 200ppm, 180ppm or about 150ppm.
In some embodiments, composition may include solvent.Solvent can be water, alcohol or any combination thereof.
In some embodiments, method may include that solid is removed from aqueous medium.Solid may include that catalyst is thin
Grain.In some embodiments, solid may include silicoaluminophosphate.
In some embodiments, method may include being removed from aqueous medium admittedly using cyclone hydraulic separators or separation tank
Body.Cyclone hydraulic separators can be in the downstream of quenching water column, and can be used for removing the solid assembled due to composition.It is aqueous
The granularity of some solids is too small to remove by cyclone hydraulic separators or separating tank in medium.Without being bound by theory
In the case of, the compositions disclosed herein causes the aggregation of suspended solid in aqueous medium.Composition can make granularity from can not
The size of removal increases to using cyclone hydraulic separators or the removable size of separating tank.If not removing catalyst fines,
In chilling water loop and/or washing water loop, fouling can especially occur in a heat exchanger.
MTO technique may include olefin recovery unit and several purification units, such as (but not limited to) chilling tower, washing water
Tower, caustic scrubber, drying tower and high pressure depropanization (depropane) tower.MTO technique can be dimethyl ether/methanol alkene
(DMTO) technique.
The compositions disclosed herein can be added to any technique unit that aqueous medium is contacted in MTO technique.?
In some embodiments, composition can be added to chilling tower, washing water tower, caustic scrubber and/or heat exchanger.It can be logical
It is added to aqueous medium after over-quenching tower and before entering cyclone hydraulic separators by composition.
The technique unit used in process may include (but being not limited to) quenching water column, washing water tower, cyclone hydraulic separators
And water vaporization tower.Method may include that composition is added to technique unit to remove suspended solid.Technique unit can example
For example heat exchanger.Composition can be any composition described in this application.In some embodiments, technique unit can
To include aqueous medium.
In some embodiments, aqueous medium can be process water, such as (but not limited to) chilled water (chw), washing water and in technique
Other water in water loop.
In some embodiments, method, which may further include, disperses fouling products, and wherein fouling products may include organic
Substance and/or inorganic substances.The inorganic substances part of fouling products may include silicoaluminophosphate.The organic moiety of fouling products can be with
Include polymethyl-benzene.In some embodiments, fouling products may include silicoaluminophosphate and polymethyl-benzene.
Composition can be added to the aqueous medium into technique unit.Composition is added to the mode of aqueous medium
It is not crucial.Cationic polymer and cationic flocculants can be added to aqueous medium in any order or simultaneously, for example,
Cationic polymer can be mixed with cationic flocculants before being added to aqueous medium, and cationic polymer can incite somebody to action
Cationic flocculants add before or after being added to aqueous medium.
It, can be at same position in process or in difference in the embodiment for wherein individually adding surfactant
Every kind of surfactant is added at position.It can be added simultaneously at identical or different position, or at identical or different position
Surfactant is added with different time.
Composition optionally includes one or more additives.Suitable additive, which including but not limited to corrodes, to be inhibited
Agent, antisludging agent, clarification of water agent, dispersing agent, demulsifier, pH adjusting agent, surfactant, solvent and combinations thereof.
Suitable corrosion inhibitor includes but is not limited to amidoamines, quaternary amine, amide, phosphate and combinations thereof.
Suitable antisludging agent include but is not limited to phosphate, phosphate, phosphoric acid, phosphonate, phosphonic acids, polyacrylamide,
Acrylamido-methyl propane sulfonic acid ester/acrylic copolymer (AMPS/AA) salt, phosphinated maleic acid
(PHOS/MA), poly/acrylic acid/acrylamide base-methyl propane sulfonic acid ester terpolymer (PMA/AMPS) salt and
A combination thereof.
Suitable clarification of water agent include but is not limited to inorganic metal salt (such as alum, aluminium chloride, aluminium polychloride, ferric sulfate,
(polymer such as based on acrylic acid is based on third for iron chloride and polyiron sulfate (polyferric sulfate) or organic polymer
Polymer, polymeric amine, alkanolamine, thiocarbamate, cationic polymer (such as chlorination diallydimethyl of acrylamide
Ammonium (DADMAC)) and combinations thereof.
Suitable pH adjusting agent includes but is not limited to alkali metal hydroxide, alkali carbonate, alkali metal hydrogen carbonate
Salt, alkaline earth metal hydroxide, alkaline earth metal carbonate, alkali metal bicarbonates and its mixture or combination.Exemplary pH
Regulator includes NaOH, KOH, Ca (OH)2、CaO、Na2CO3、KHCO3、K2CO3、NaHCO3, MgO and Mg (OH)2。
Suitable surfactant include but is not limited to anionic surfactant, cationic surfactant, it is non-from
Sub- surfactant and combinations thereof.Anionic surfactant includes alkylaryl sulfonates, alkene sulfonate, paraffin sulfonates
Salt, alcohol sulfate, ether alcohol sulfate, alkyl carboxylate and alkyl ether carboxy acid salt and alkyl and ethoxylated alkyl phosphate ester,
And monoalkyl and dialkyl sulfosuccinates and sulphosuccinamate and combinations thereof.Cationic surfactant includes
Alkyl trimethyl quaternary ammonium salt, alkyldimethylbenzylammonium quaternary ammonium salt, dialkyl dimethyl quaternary ammonium salt, imidazoline salt and combinations thereof.It is non-
Ionic surface active agent includes that the block of alcohol alkoxylates, alkyl phenol alkoxylate, ethylene, propylene and butene oxide is total
Bis- (2- ethoxy) amine oxides of polymers, alkyldimethylamine oxide, alkyl-, alkylamide propyl diformazan amine oxide, alkyl
Bis- (2- ethoxy) amine oxides of amido propyl-, alkyl polyglucoside, polyalkoxylated glycerine ester, sorbitan ester and
Poly-alkoxylation sorbitan ester and alkanoyl macrogol ester and diester and combinations thereof.It also include glycine betaine and sulphur
Base glycine betaine (sultane), amphoteric surfactant, such as alkyl both sexes acetate and both sexes diacetin, alkyl both sexes propionic acid
Salt and both sexes dipropionate, alkyliminodipropionate and combinations thereof.
Example
Example 1
Chilling water sample is obtained from the quenching water column used in MTO technique.Chilled water (chw) contains to be made of silicoaluminophosphate
Catalyst fines.Cationic polymer and cationic flocculants are added to chilled water (chw), and record consolidating from chilled water (chw)
The removal rate of body.
Method 1: being added to flask for about 40 grams of chilling water sample, and measures muddiness (T0).It adds additives to
Chilled water (chw) is simultaneously mixed with chilled water (chw).After 10 min, turbidity (T is measured1).By comparing the case where containing and being free of additive
The turbidity of lower chilled water (chw) calculates the removal rate (removal rate %=(T of solid (such as catalyst fines)0-T1)/T0* 100%.
1. additive of table and its active constituent
| Additive | Active constituent |
| Additive 1 | The network copolymer (65% electrification) of acrylamide and DMAEA.MCQ |
| Additive 2 | Aluminium polychloride (ACH) |
| Additive 3 | The copolymer (50% electrification) of acrylamide and DMAEA.MCQ |
Table 2 shows the removal rate for the additive listed in table 1.The combination of cationic polymer with cation causes
The collaboration removal solid from chilled water (chw).When additive 2 and additive 1 or additive 2 and additive 3 are added in combination
When to chilled water (chw), removal rate increases to 98.1% and 97% respectively.
The solid removal rate of 2. various additives of table
Example 2
The chilled water (chw) of about 400ml is added to beaker.Add additives to beaker and by mechanical stirring about 10 minutes
Mix it with chilled water (chw).Solution is centrifuged about 1 minute.Absorbance (A is measured at 800nm1).Measurement is in same treatment situation
Under the chilled water (chw) without additive absorbance (A0).By comparing the suction of the chilled water (chw) in the case where containing and without additive
Luminosity calculates the removal rate (removal rate %=(A of solid (such as catalyst fines)0-A1)/A0* 100%).
3. additive of table and its active constituent
Table 4 shows the removal rate for the additive listed in table 3.Additive 1,3,11 and 12 shows big performance, and
Solid removal rate is about 84% to about 100%.
The solid removal rate of 4. various additives of table
Any composition disclosed herein may include, by or substantially by any compound/group disclosed herein
It is grouped as.According to the disclosure, phrase "consisting essentially of ..." (" consist essentially of ", " consists
Essentially of ", " consisting essentially of ") etc. the scope of the claims is restricted to specified material
Material or step and do not influence substantially invention claimed it is one or more substantially and those of features of novelty material or
Step.
As used herein, term " about " refers to the value enumerated as the standard found in its test measured value out of the ordinary
In the error that deviation generates, and if not can determine those errors, " about " refers in the 10% of the value enumerated.
All compositions and method disclosed herein and require all can be according to the disclosure without improper experiment
Preparation and execution.Although the present invention can be embodied by many different forms, detailed description of the present invention herein is specific preferably
Embodiment.The disclosure is the example of the principle of the present invention and being not intended to makes the present invention be limited to illustrated specific embodiment.Separately
Outside, except non-clearly stating on the contrary, otherwise the use of term " one/one " be intended to include " at least one/at least one " or
" one or more/one or more ".For example, " polymer " is intended to include " at least one polymer " or " a kind of or more
Kind polymer ".
Both be intended to cover by absolute terms or by any range that approximate term provides, and it is used herein any
Definition is it is intended that clear and to be restrictive.Although illustrating that broad range of numberical range and parameter of the invention are close
Like value, but the numerical value illustrated in particular instance is report reported as precisely as possible.However, any numerical value inherently contain it is certain by
Error caused by standard deviation certainty found in its test measured value out of the ordinary.In addition, all ranges disclosed herein is answered
It is interpreted as covering any and all subranges wherein included (including all fractional values and integer value).
In addition, the present invention covers any and all possible groups of some or all of various embodiments described herein
It closes.It should be understood that will be shown to the various changes and modifications of invention as described herein preferred embodiment for those skilled in the art
And it is clear to.This kind of change and modification without departing from the spirit and scope of the present invention and can not reduce its expection
It is carried out in the case where advantage.Therefore, it is contemplated that this kind of change and modification are covered by the appended claims.
Claims (21)
1. a kind of method for the aqueous medium for handling methanol-to-olefins (MTO) technique, the method includes:
Composition is added to MTO process water, wherein the composition include selected from cationic polymer, cationic flocculants and
The settling aids of any combination thereof.
2. according to the method described in claim 1, wherein the composition includes the cationic polymer and the cation
The mixture of flocculating agent.
3. according to the method described in claim 1, wherein the composition includes cationic flocculants.
4. according to claim 1 to method described in any one of 3, wherein the cationic polymer is dimethylamine-epichlorohydrin
Copolymer (EPI-DMA) or dimethylamine-epichlorohydrin-hexamethylene diamine terpolymer (EPI-DMA-HMDA).
5. method according to any one of claims 1 to 4, wherein the cationic polymer is linear.
6. according to claim 1 to method described in any one of 5, wherein the cationic polymer includes acrylamide and sun
Ion monomer.
7. according to the method described in claim 6, wherein the cationic monomer is selected from dimethylamino ethyl methacrylate
Benzyl villaumite (DMAEM.BCQ), dimethylamino ethyl acrylate benzyl villaumite (DMAEA.BCQ), dimethylamino ethyl propylene
Acid esters methyl villaumite (DMAEA.MCQ), dimethylamino ethyl acrylate villaumite (DEAEA.MCQ), dimethylamino ethyl
Methacrylate methyl villaumite (DMAEM.MCQ), dimethylamino ethyl methacrylate Methylsulfate
(DMAEM.MSQ), dimethylamino ethyl acrylate sulfate (DMAEA.MSQ), methacryiamidopropyl front three
Ammonium chloride (MAPTAC), acrylamidopropyl trimethyl ammonium chloride (APTAC) and any combination thereof.
8. the method according to any one of claim 6 to 7, wherein the cationic monomer is DMAEA.MCQ.
9. according to claim 1 to method described in any one of 8, wherein the cationic flocculants include aluminium compound.
10. according to claim 1 to method described in any one of 9, wherein the cationic flocculants include aluminium polychloride.
11. according to claim 1 to method described in any one of 10, wherein in the range of about 1ppm to about 1000ppm
The cationic polymer is added to the MTO process water by amount.
12. according to claim 1 to method described in any one of 11, wherein in the amount of the range of about 1ppm to about 200ppm
The cationic polymer is added to the MTO process water.
13. according to claim 1 to method described in any one of 12, wherein in the range of about 10ppm to about 1000ppm
The cationic flocculants are added to the MTO process water by amount.
14. according to claim 1 to method described in any one of 13, wherein in the range of about 10ppm to about 500ppm
The cationic flocculants are added to the MTO process water by amount.
15. according to claim 1 to method described in any one of 14, wherein the composition includes solvent.
16. according to claim 1 to method described in any one of 15, wherein the composition includes solvent, wherein described molten
Agent is water, alcohol or any combination thereof.
17. further including and being removed admittedly from the MTO process water according to claim 1 to method described in any one of 16
Body.
18. further including according to claim 1 to method described in any one of 17 using cyclone hydraulic separators or separation tank
Solid is removed from the MTO process water.
19. method described in any one of 7 to 18 according to claim 1, wherein the solid bag contains catalyst fines.
20. according to claim 1 to method described in any one of 19, wherein the siliceous aluminate or phosphate of the solid bag.
21. a kind of purposes of composition, the composition includes selected from cationic polymer, cationic flocculants and its any group
The settling aids of conjunction, for handling the aqueous medium of MTO technique.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084968A (en) * | 2020-08-24 | 2022-02-25 | 埃科莱布美国股份有限公司 | Multifunctional antifouling agent for coal-to-olefin alkali tower antifouling |
| CN114105323A (en) * | 2020-08-28 | 2022-03-01 | 埃科莱布美国股份有限公司 | Method and extractant for antifouling of methanol-to-olefin wash water systems |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369182B1 (en) * | 1999-10-11 | 2002-04-09 | Nalco Chemical Company | Cationic latex terpolymers for wasterwater treatment |
| CN102040442A (en) * | 2009-10-21 | 2011-05-04 | 中国石油化工股份有限公司 | Separation method of reaction gas generated in making alkenes from methanol |
| CN106605024A (en) * | 2014-08-29 | 2017-04-26 | 索理思科技公司 | Powdery water-soluble cationic polymer composition |
| CN106795016A (en) * | 2014-08-28 | 2017-05-31 | 罗门哈斯公司 | Water treatment composition and application method |
-
2017
- 2017-09-30 CN CN201710918424.XA patent/CN109592764A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6369182B1 (en) * | 1999-10-11 | 2002-04-09 | Nalco Chemical Company | Cationic latex terpolymers for wasterwater treatment |
| CN102040442A (en) * | 2009-10-21 | 2011-05-04 | 中国石油化工股份有限公司 | Separation method of reaction gas generated in making alkenes from methanol |
| CN106795016A (en) * | 2014-08-28 | 2017-05-31 | 罗门哈斯公司 | Water treatment composition and application method |
| CN106605024A (en) * | 2014-08-29 | 2017-04-26 | 索理思科技公司 | Powdery water-soluble cationic polymer composition |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084968A (en) * | 2020-08-24 | 2022-02-25 | 埃科莱布美国股份有限公司 | Multifunctional antifouling agent for coal-to-olefin alkali tower antifouling |
| CN114105323A (en) * | 2020-08-28 | 2022-03-01 | 埃科莱布美国股份有限公司 | Method and extractant for antifouling of methanol-to-olefin wash water systems |
| WO2022042277A1 (en) * | 2020-08-28 | 2022-03-03 | Ecolab Usa Inc. | Method and extraction agent for methanol to olefins wash water system antifouling |
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