CN106865548A - A kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol - Google Patents
A kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol Download PDFInfo
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- CN106865548A CN106865548A CN201710240503.XA CN201710240503A CN106865548A CN 106865548 A CN106865548 A CN 106865548A CN 201710240503 A CN201710240503 A CN 201710240503A CN 106865548 A CN106865548 A CN 106865548A
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- activated carbon
- activator
- cobalt acetate
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- caustic alcohol
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229940011182 cobalt acetate Drugs 0.000 title claims abstract description 30
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 27
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000012190 activator Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 13
- 239000010941 cobalt Substances 0.000 claims abstract description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 13
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000004913 activation Effects 0.000 claims abstract description 12
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 12
- 150000007524 organic acids Chemical class 0.000 claims abstract description 12
- PFQLIVQUKOIJJD-UHFFFAOYSA-L cobalt(ii) formate Chemical group [Co+2].[O-]C=O.[O-]C=O PFQLIVQUKOIJJD-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 24
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 239000003610 charcoal Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000003828 vacuum filtration Methods 0.000 claims description 4
- -1 Sodium alkoxide Chemical class 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 12
- 150000007529 inorganic bases Chemical class 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 150000007530 organic bases Chemical class 0.000 abstract description 3
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 7
- 229960000907 methylthioninium chloride Drugs 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000010792 warming Methods 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 230000000274 adsorptive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical group S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- AEEAZFQPYUMBPY-UHFFFAOYSA-N [I].[W] Chemical compound [I].[W] AEEAZFQPYUMBPY-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000005539 carbonized material Substances 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
It is of the invention to disclose a kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol, belong to method for preparation of active carbon technical field, activated carbon is prepared by activator of organic acid cobalt and caustic alcohol, organic acid cobalt is cobaltous formate or cobalt acetate, it is contemplated that overcoming traditional alkalization method to prepare activated carbon with the inorganic base such as NaOH or potassium hydroxide as activator, compared to organic base, the inorganic base charing of unit mass is inefficient, and the serious shortcoming of the multipair equipment corrosion of consumption, to solve above technical problem, the present invention provides a kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol, by dioxygen water pretreatment, alkalization activation, acidifying is neutralized, it is big that dry four steps obtain aperture, the strong activated carbon of absorption, the inorganic base charing for overcoming unit mass is inefficient, the problem of many high costs of consumption.
Description
Technical field
The invention belongs to method for preparation of active carbon technical field, and in particular to one kind is with cobalt acetate and caustic alcohol as activator
The method for preparing activated carbon.
Background technology
Activated carbon is that a kind of hole is abundant, specific surface area is big, and physicochemical properties stabilization porous adsorbent, can be effective
Organic-inorganic pollutant and heavy metal etc. in ground removal colourity, stink, water.In industrial production, food hygiene, household, transport, ring
The numerous areas such as guarantor have pole extensive use.Although the raw material for preparing activated carbon is very extensive, including such as coal, timber, coconut husk, fruit
The organic matter rich in carbon such as shell, straw.When being used under some comparing harsh conditions, most of activated carbons are often because of specific surface area
Small, adsorption effect is poor, short life the problems such as, cause that charcoal absorption activity failure is fast, change frequent, not only increase and operate into
This, also have impact on process continuity.Therefore, exploitation high-adsorption active carbon is always the study hotspot in the field.
Alkali used by traditional alkaline process preparing active carbon is mainly NaOH and potassium hydroxide, on the preparation cost for,
With potassium hydroxide price almost, but but there is certain difference on charred effect in the caustic alcohol and NaOH of unit mass
It is different, the difference that gained prepares the aspects such as pore size, specific surface area and the life-span of material is mainly reflected in, also, inorganic base is used
Amount is more, to consersion unit seriously corroded.
To solve the above problems, such as Chinese patent application（Grant number：CN103877935B）Disclose " strong base anion
Acticarbon and its preparation method and application ", it is with alkalescent AC-g-VAm activated carbons as parent, by quaternized anti-
Should, the strong alkalinity anion group containing quaternary ammonium group is introduced in activated carbon structure, quaternary ammonium group is：2,3- glycidyl front threes
Ammonium chloride or acrylyl oxy-ethyl-trimethyl salmiac.Such adsorbent had both remained the excellent absorption property of activated carbon, together
When due to introducing strong base anion cation exchange groups, make such adsorbent that there is sour gas, toxic gas higher clear
Except and adsorption efficiency, but quaternary ammonium group class organic compound is somewhat expensive, relatively it is difficult experiment industrialization.
The content of the invention
（1）The technical problem to be solved
The present invention is to activate to overcome traditional alkalization method to prepare activated carbon with the inorganic base such as NaOH or potassium hydroxide
Agent, compared to organic base, the inorganic base charing of unit mass is inefficient, and the serious shortcoming of the multipair equipment corrosion of consumption, is
Above technical problem is solved, the present invention provides a kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol, with second
Sour cobalt doped caustic alcohol is obtained as activator by dioxygen water pretreatment, alkalization activation, acidifying neutralization, dry four steps
Aperture is big, adsorb strong activated carbon, and the inorganic base for solving unit mass carbonizes that inefficient, consumption is more, high cost asks
Topic.
（2）Technical scheme
In order to solve the above-mentioned technical problem, activity is prepared as activator with cobalt acetate and caustic alcohol the invention provides such a
The method of charcoal, activated carbon is prepared by activator of organic acid cobalt and caustic alcohol, and described organic acid cobalt is cobaltous formate or cobalt acetate.
Process includes that dioxygen water pretreatment, alkalization activation, acidifying are neutralized, dried, step specific as follows：
A. dioxygen water pretreatment：Charing raw material is delivered into drying machine to dry to constant weight, drying temperature is no more than 120 DEG C, preferably
100 DEG C, drying is delivered to retort stirring pretreatment 1 ~ 2h, preferably 1.5h after finishing, while it is 3% ~ 10% to be passed through mass fraction
Hydrogen peroxide solution, preferably 5% hydrogen peroxide solution, the mass ratio of the hydrogen peroxide solution and the charing raw material is 1：5 ~ 15,
Preferred mass ratio is 1：10, reaction temperature is 35 ~ 45 DEG C, preferably 40 DEG C；
B. alkalization activation：The charing raw material adds the pure cobalt acetate of analysis and analysis straight alcohol sodium, cobalt acetate after being cooled to room temperature
Quality be the 0.2% ~ 0.5%, preferably 0.3% of the charing raw material, the quality of caustic alcohol is the 3% ~ 5% of the charing raw material, excellent
4% is selected, is sufficiently stirred for, be warming up to 650-750 DEG C, preferably 700 DEG C, heating rate is 5 ~ 8 DEG C/min, preferably 6 DEG C/min, insulation 2
~ 3h obtains activated material, preferably 2.5h；
C. acidifying is neutralized：Gained activated material and the mixed in hydrochloric acid that mass fraction is 6% ~ 8%, preferably 7% hydrochloric acid, control pH are existed
6.4-6.9, preferably pH are 6.8, are passed through after 10% distilled water to heat and boil, and are cooled to less than 60 DEG C, and preferably 50 DEG C, vacuum is taken out
Filter, separation of solid and liquid obtains wet charcoal；
D. dry：The wet charcoal of gained is dried for 400 ~ 500 DEG C in microwave drying furnace, preferably 480 DEG C, programmed rate is
10 ~ 15 DEG C/min, preferably 12 DEG C/min, 400 ~ 500 DEG C of insulations 0.5-1h, preferably 450 DEG C insulation 0.8h in microwave drying furnace,
Thoroughly remove moisture and obtain finished product.
（3）Beneficial effect
Beneficial effects of the present invention：
1st, using this faintly acid oxidizing species preprocessing biomass of hydrogen peroxide, cobalt acetate and analysis straight alcohol sodium are recycled
Further alkalization obtains function admirable, the carbonized material that aperture is big, specific surface area is high；
2nd, the activated carbon 60min of production is respectively more than 97.8%, more than adsorptive value 1470mg/g to the adsorption rate of methylene blue,
And charcoal absorption attenuation rate that this technique productions are obtained is low；
3rd, overcome traditional alkalization method and prepare activated carbon with inorganic base as activator, compared to organic base, unit mass it is inorganic
Alkali charing is inefficient, and the serious shortcoming of the multipair equipment corrosion of consumption.
Brief description of the drawings
Fig. 1 is three kinds of embodiments respectively to the effect contrast figure of methylene blue adsorption number.
Specific embodiment
The technical scheme in the embodiment of the present invention is further clearly and completely described with reference to embodiment, is shown
So, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Embodiment one
In order to solve the above-mentioned technical problem, the present embodiment one provides one kind with cobalt acetate and caustic alcohol as activator prepares activated carbon
Method, prepare activated carbon by activator of organic acid cobalt and caustic alcohol, described organic acid cobalt is cobaltous formate or cobalt acetate.
Process includes that dioxygen water pretreatment, alkalization activation, acidifying are neutralized, dried, step specific as follows：
A. dioxygen water pretreatment：Charing raw material is delivered into drying machine to dry to constant weight, drying temperature is 90 DEG C, after drying is finished
Retort stirring pretreatment 1h is delivered to, while being passed through the hydrogen peroxide solution that mass fraction is 3%, the hydrogen peroxide solution and institute
The mass ratio for stating charing raw material is 1：5, reaction temperature is 35 DEG C；
B. alkalization activation：The charing raw material adds the pure cobalt acetate of analysis and analysis straight alcohol sodium, cobalt acetate after being cooled to room temperature
Quality be the 0.2% of the charing raw material, the quality of caustic alcohol is the 3% of the charing raw material, is sufficiently stirred for, and is warming up to 650
DEG C, heating rate is 5 DEG C/min, and insulation 2h obtains activated material；
C. acidifying is neutralized：By the mixed in hydrochloric acid that gained activated material and mass fraction are 6%, pH is 6.4 for control, is passed through 10% distillation
Heating is boiled after water, is cooled to less than 40 DEG C, and vacuum filtration, separation of solid and liquid obtains wet charcoal；
D. dry：The wet charcoal of gained is dried for 400 DEG C in microwave drying furnace, programmed rate is 10 DEG C/min, micro-
400 DEG C of insulation 0.5h in ripple drying oven, thoroughly remove moisture and obtain finished product.
Embodiment two
A kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol, with organic acid cobalt and caustic alcohol as activator system
Standby activated carbon, described organic acid cobalt is cobaltous formate or cobalt acetate.
Process includes that dioxygen water pretreatment, alkalization activation, acidifying are neutralized, dried, step specific as follows：
A. dioxygen water pretreatment：Charing raw material is delivered into drying machine to dry to constant weight, drying temperature is 100 DEG C, and drying is finished
After be delivered to retort stirring pretreatment 1.5h, while being passed through the hydrogen peroxide solution that mass fraction is 5%, the hydrogen peroxide solution
Mass ratio with the charing raw material is 1：10, reaction temperature is 40 DEG C；
B. alkalization activation：The charing raw material adds the pure cobalt acetate of analysis and analysis straight alcohol sodium, cobalt acetate after being cooled to room temperature
Quality be the 0.3% of the charing raw material, the quality of caustic alcohol is the 4% of the charing raw material, is sufficiently stirred for, and is warming up to 700
DEG C, heating rate is 6 DEG C/min, and insulation 2.5h obtains activated material；
C. acidifying is neutralized：By the mixed in hydrochloric acid that gained activated material and mass fraction are 7%, pH is 6.8 for control, is passed through 10% distillation
Heating is boiled after water, is cooled to 50 DEG C, and vacuum filtration, separation of solid and liquid obtains wet charcoal；
D. dry：The wet charcoal of gained is dried for 480 DEG C in microwave drying furnace, programmed rate is 12 DEG C/min, micro-
450 DEG C of insulation 0.8h in ripple drying oven, thoroughly remove moisture and obtain finished product.
Embodiment three
A kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol, with organic acid cobalt and caustic alcohol as activator system
Standby activated carbon, described organic acid cobalt is cobaltous formate or cobalt acetate.
Process includes that dioxygen water pretreatment, alkalization activation, acidifying are neutralized, dried, step specific as follows：
A. dioxygen water pretreatment：Charing raw material is delivered into drying machine to dry to constant weight, drying temperature is 120 DEG C, and drying is finished
After be delivered to retort stirring pretreatment 2h, while be passed through the hydrogen peroxide solution that mass fraction is 10%, the hydrogen peroxide solution and
The mass ratio of the charing raw material is 1：15, reaction temperature is 45 DEG C；
B. alkalization activation：The charing raw material adds the pure cobalt acetate of analysis and analysis straight alcohol sodium, cobalt acetate after being cooled to room temperature
Quality be the 0.5% of the charing raw material, the quality of caustic alcohol is the 5% of the charing raw material, is sufficiently stirred for, and is warming up to 750
DEG C, heating rate is 8 DEG C/min, and insulation 3h obtains activated material；
C. acidifying is neutralized：By the mixed in hydrochloric acid that gained activated material and mass fraction are 8%, pH is 6.9 for control, is passed through 10% distillation
Heating is boiled after water, is cooled to 60 DEG C, and vacuum filtration, separation of solid and liquid obtains wet charcoal；
D. dry：The wet charcoal of gained is dried for 500 DEG C in microwave drying furnace, programmed rate is 15 DEG C/min, micro-
500 DEG C of insulation 1h in ripple drying oven, thoroughly remove moisture and obtain finished product.
Activated carbon is detected to the adsorptivity of methylene blue in three case study on implementation：
The mg of active carbon finished products 10 weighed in three embodiments is poured into the beaker of 100 mL, and adds 100 mL toward the beaker
Methylene blue titer (20 mg/L), opening magnetic stirring apparatus makes composite be in even suspension state.Whole reaction unit
It is placed in the camera bellows of lucifuge, and toward logical circulating condensing water in the device, keeps it in 25 ± 1 DEG C.Visible light source is adopted
With the iodine-tungsten lamp (PHILIPS Co., launch wavelength >=390 nm) of 150 W, and λ is filtered off with optical filter<The light of 420 nm is ensureing
Incident light is entirely visible ray, and the cm of light source distance reaction solution 15, air equably blasts the reaction solution (L/ of throughput 2.5
min).Every 20 min sample 4 mL centrifugations after, take supernatant liquid, measured in ultraviolet-visible spectrophotometer its
The absorbance of 665 nm, methylene blue concentration is calculated according to langbobier law, and the degraded of methylene blue is obtained by calculating
Rate.
Detected by adsorbing, as shown in figure 1, activated carbon 60min pairs prepared by embodiment one, embodiment two and embodiment three
The adsorption rate of methylene blue is respectively 98.5%（1）、99.8%（2）With 97.8%（3）, adsorptive value be respectively 1580 ~ 1850mg/g,
1760~2050mg/g、1470~1620mg/g。
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations, improvement can also be made and substituted, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (3)
1. a kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol, it is characterised in that：With organic acid cobalt and second
Sodium alkoxide prepares activated carbon for activator.
2. a kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol according to claim 1, its feature
It is：Described organic acid cobalt is cobaltous formate or cobalt acetate.
3. a kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol according to claim 1, technique side
Method includes that dioxygen water pretreatment, alkalization activation, acidifying are neutralized, dried, it is characterised in that step specific as follows：
A. dioxygen water pretreatment：Charing raw material is delivered into drying machine to dry to constant weight, drying is delivered to retort and stirs after finishing
1 ~ 2h of pretreatment is mixed, while being passed through the hydrogen peroxide solution that mass fraction is 3% ~ 10%, the hydrogen peroxide solution and the charing are former
The mass ratio of material is 1：5 ~ 15, reaction temperature is 35 ~ 45 DEG C；
B. alkalization activation：The charing raw material adds the pure cobalt acetate of analysis and analysis straight alcohol sodium, cobalt acetate after being cooled to room temperature
Quality be the 0.2% ~ 0.5% of the charing raw material, the quality of caustic alcohol is the 3% ~ 5% of the charing raw material, is sufficiently stirred for, and is risen
To 650-750 DEG C, heating rate is 5 ~ 8 DEG C/min to temperature, and 2 ~ 3h of insulation obtains activated material；
C. acidifying is neutralized：It is 6% ~ 8% mixed in hydrochloric acid by gained activated material and mass fraction, controls pH in 6.4-6.9, is passed through
Heating is boiled after 10% distilled water, is cooled to less than 60 DEG C, and vacuum filtration, separation of solid and liquid obtains wet charcoal；
D. dry：The wet charcoal of gained is dried for 400 ~ 500 DEG C in microwave drying furnace, programmed rate be 10 ~ 15 DEG C/
Min, 400 ~ 500 DEG C of insulation 0.5-1h in microwave drying furnace, thoroughly remove moisture and obtain finished product.
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| CN201710240503.XA CN106865548A (en) | 2017-04-13 | 2017-04-13 | A kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol |
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| CN201710240503.XA CN106865548A (en) | 2017-04-13 | 2017-04-13 | A kind of method that activated carbon is prepared as activator with cobalt acetate and caustic alcohol |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111924843A (en) * | 2020-08-19 | 2020-11-13 | 中国海洋大学 | Method for modifying biomass-derived carbon by cyanide and application of method in potassium storage field |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281383A (en) * | 1998-02-10 | 2001-01-24 | 康宁股份有限公司 | Method for making mesoporous carbon |
| JP2004216337A (en) * | 2003-01-17 | 2004-08-05 | Asahi Kasei Chemicals Corp | Method for producing catalyst and epoxy compound |
| CN103738962A (en) * | 2014-01-23 | 2014-04-23 | 福建农林大学 | Method for preparing active carbon by taking potassium alkoxide as activating agent |
-
2017
- 2017-04-13 CN CN201710240503.XA patent/CN106865548A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281383A (en) * | 1998-02-10 | 2001-01-24 | 康宁股份有限公司 | Method for making mesoporous carbon |
| JP2004216337A (en) * | 2003-01-17 | 2004-08-05 | Asahi Kasei Chemicals Corp | Method for producing catalyst and epoxy compound |
| CN103738962A (en) * | 2014-01-23 | 2014-04-23 | 福建农林大学 | Method for preparing active carbon by taking potassium alkoxide as activating agent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111924843A (en) * | 2020-08-19 | 2020-11-13 | 中国海洋大学 | Method for modifying biomass-derived carbon by cyanide and application of method in potassium storage field |
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