CN105923900B - Sewage water treatment method in a kind of civic landscape planning - Google Patents
Sewage water treatment method in a kind of civic landscape planning Download PDFInfo
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- CN105923900B CN105923900B CN201610328604.8A CN201610328604A CN105923900B CN 105923900 B CN105923900 B CN 105923900B CN 201610328604 A CN201610328604 A CN 201610328604A CN 105923900 B CN105923900 B CN 105923900B
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- alcaligenes
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- 239000010865 sewage Substances 0.000 title claims abstract description 50
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000011282 treatment Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 244000005700 microbiome Species 0.000 claims abstract description 18
- 241000894006 Bacteria Species 0.000 claims abstract description 17
- 241000589597 Paracoccus denitrificans Species 0.000 claims abstract description 15
- 241000194103 Bacillus pumilus Species 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 241000193744 Bacillus amyloliquefaciens Species 0.000 claims abstract description 13
- 241001147790 [Clostridium] papyrosolvens Species 0.000 claims abstract description 13
- 241000186046 Actinomyces Species 0.000 claims abstract description 12
- 241000193830 Bacillus <bacterium> Species 0.000 claims abstract description 12
- 241000588986 Alcaligenes Species 0.000 claims abstract description 11
- 241000222122 Candida albicans Species 0.000 claims abstract description 9
- 206010007134 Candida infections Diseases 0.000 claims abstract description 9
- 201000003984 candidiasis Diseases 0.000 claims abstract description 9
- 238000009472 formulation Methods 0.000 claims abstract description 9
- 238000001556 precipitation Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 230000002262 irrigation Effects 0.000 claims abstract description 5
- 238000003973 irrigation Methods 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000706 filtrate Substances 0.000 claims description 12
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- 238000002360 preparation method Methods 0.000 claims description 9
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- 150000004676 glycans Chemical class 0.000 claims description 5
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- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000001963 growth medium Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
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- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
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- 238000007233 catalytic pyrolysis Methods 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- DIOQZVSQGTUSAI-NJFSPNSNSA-N decane Chemical group CCCCCCCCC[14CH3] DIOQZVSQGTUSAI-NJFSPNSNSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 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
- 238000004821 distillation Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 244000005706 microflora Species 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- DIOQZVSQGTUSAI-UHFFFAOYSA-N n-butylhexane Natural products CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
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- 239000011574 phosphorus Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
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- 229920000151 polyglycol Polymers 0.000 description 1
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- 238000001223 reverse osmosis Methods 0.000 description 1
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- 238000001228 spectrum Methods 0.000 description 1
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- 239000004575 stone Substances 0.000 description 1
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- 239000011593 sulfur Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
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- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
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- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
The present invention relates to sewage water treatment methods in a kind of civic landscape planning comprising following step：Secondary precipitation biological reaction pool is filtered in heavy pond for the first time, the mixed bacteria liquid prepared by actinomyces, Bacillus alcaligenes, bacillus pumilus, candidiasis, bacillus amyloliquefaciens, Clostridium papyrosolvens, Paracoccus denitrificans is added in biological reaction pool carries out sewage disposal, 10 grams of microorganism formulation is added every time by every cubic metre of liquid, it adds 1 time daily, continuously add one week, 3 days finally are stood, liquid discharge is used for treegarden irrigation；The method of the present invention is suitable for gardens sewage disposal, and water quality after processing can be used for cell and afforestation and road pours watering etc., and the circular economy for realizing water utilizes.
Description
Technical field
The invention belongs to microorganisms technical fields, and in particular to sewage water treatment method in a kind of civic landscape planning.
Background technology
Civic landscape planning refers to the Study On The Garden And Park System built by guidance using ecological principle, in this system,
The ecological clan of the compositions such as arbor, shrub, draft, liana, it is mutually coordinated between population, there are compound level and suitable season
Phase color, the plant with different ecological characteristic can have a role to play, and make full use of sunlight, air, soil, nutrient, moisture etc., structure
Group at a harmony orderly, stable, it is the embodiment of urban landscaping work highest level, is human material and spirit
The inevitable outcome of development of civilization.And Garden Planning, refer to the comprehensive property for determining, arranging gardens construction project, scale, development side
To, main contents, infrastructure, spatial synthesis layout, build by stages with the activity of investment estimate.Garden Planning includes landscape name
Win section planning, urban green system planning and park planning.
In the design process of urban green space, sewage disposal is an important engineering.Fountain, landscape water in ecological garden
Pond, pouring etc. mainly use tap water with water, and rainy day sewage is typically directly discharged into municipal blow-off line, in this way to water resource
Cause great waste.Sewage in gardens mainly has sanitary sewage, precipitation.Generated sewage is main in Landscape
It is sanitary sewage, thus containing a large amount of organic matter etc., total feature is nitrogenous, sulfur-bearing and phosphorous height, has one to ornamental trees and shrubs
Fixed harm, and pollute environment.
Wastewater treatment method mainly has reverse osmosis physical method, distillation, soil to irrigate at present；Chemical method has ion exchange
Method, ammonia aeration, chemical precipitation method, breakpoint chlorination, electrodialysis, electrochemical treatments, catalytic pyrolysis；Biological method has nitrification and algae
Cultivation, however physical method treatment effect is bad, compared with chemical method, biological method processing waste water has the following advantages：1) each is changed
Articles for use are learned both for the very strong product of property, are possible to fail when encountering other chemical substances, and biological agent is to pollution
The removal of object has spectrum；2) chemical products can temporarily eliminate certain harmful substances and cover stink, cannot but prevent
The generation of harmful substance；3) after using chemical products, residual is had in water body, may lead to secondary pollution.Contained by biological agent
Natural microbial is free of pathogenic bacteria and pathogen, these microorganisms are under the catalytic action of enzyme, with the organic nutrient substance in sewage
Matter is food, and after purifying the sewage, these microbes are gradually decreased with the reduction of pollutant, until withering away；4) nothing
Poison, it is non-corrosive, it is easy to use, equipment or engineering need not be added substantially, save fund input.
201320816043 a kind of gardens sewage-treatment plant is disclosed in the prior art, includes equipped with inclined surface
The low-lying place of base, the view plant being set in base, inclined surface is equipped with sewage collector, the dirt being connect with sewage collector
Water collection pipe, the collecting-tank being connect with sewage collecting pipe, the treatment tank being connect with collecting-tank are connect with treatment tank
Horizontal drowned flow pond；Treatment tank includes the processing pond ontology equipped with processing chamber, and processing chamber is divided into dirt in processing chamber
The partition board of water transition region and sewage diposal area, be from top to bottom equipped with successively in sewage diposal area the first filter plate, water plant process layer,
Second filter plate and water-yielding stratum, the connection of sewage transition region and collecting-tank, water-yielding stratum are connected to horizontal drowned flow pond, sewage water outlet
It is also equipped with sewage pump on pipe, water outlet pump is also equipped on outlet pipe.The processing unit is disadvantageous in that：Mud in sewage
The impurity such as sand are easy to block the first filter plate and the second filter plate in sewage diposal area, substantially reduce treatment effeciency；The device
Only sewage is handled by filtering, fine particle, microorganism and the peculiar smell in sewage are cannot be removed effectively, to the place of sewage
It is poor to manage effect.
Bioremediation is to administer the effective ways of industrial pollution water body.It is the effect using microorganism, makes chemical combination
Object is decomposed.Since bioremediation is more much lower than physics, chemical method cost, and non-secondary pollution, and microorganism is again
With stronger variability and adaptability, therefore it has become the ideal method of processing industrial pollution water body.
Invention content
The object of the present invention is to provide sewage water treatment methods in a kind of Garden Planning.
The biological agent of the present invention, reasonable compatibility between each strain, symbiosis are coordinated, mutually not antagonism, and preparation method is easy,
It is easy to implement the method, it is easy to operate, it is conducive to production.
The present invention adopts the following technical scheme that realization：
Sewage water treatment method in a kind of civic landscape planning, which is characterized in that include the following steps：
（1）By sewage self-flowing to primary sedimentation tank, sinker and floating material are filtered out, the primary sedimentation tank contains 2% weight ratio（With
The weight ratio of primary sedimentation tank sewage）Settling agent, the settling agent is grouped as by the group of following parts by weight：Diatomite：Calcium hydroxide：
Quartz sand：Activated carbon：Ferrous sulfate=6:4:4:8:5；
（2）Filtering：By step（1）Treated sewage water filtration, obtains filtrate and sludge, filtrate enter second-level settling pond,
Precipitation 8 hours, the flocculation aid of the second-level settling pond 1% weight of interior addition；
The flocculation aid is grouped as by the group of following parts by weight：Polyacrylamide：FeCl3：Pulullan polysaccharide：Bentonite=
3:2:3:4, improvement is optimized to flocculation aid in the present invention, and wherein FeCl3, which cooperates with to play with polyacrylamide, helps solidifying effect,
The flocculating effect of flocculant can be greatly improved, pulullan polysaccharide can generate netted contraction precipitation and not fragile quickly as flocculant
It is broken；Bentonite can be coagulated together wadding grain to form bigger, finer and close flco, so that the degree of polymerization and cohesiveness is greatly enhanced, no
It is broken, and greatly improve the sinking speed and adsorption efficiency of flco so that settling of floccus flocculating setting area bottom will not on
The general clear water layer that enters is extracted out, ensures effluent quality.
（3）By step（2）Second-level settling pond treated sewage water filtration obtains filtrate and sludge again, merges step（2）
And step（3）The sludge aerobic fermentation of acquisition prepares land use shale, can be by the shale for afforestation, production nursery stock
Grass Nutrition Soil, organic fertilizer etc..
（4）Filtrate after second-level settling pond is drained into biological reaction pool, adjusting pH is 6.5-6.8, by every cube
Rice liquid adds 10 grams of microorganism formulation every time, adds daily 1 time, continuously adds one week, finally stands 3 days, liquid is discharged
For treegarden irrigation.
The method of the present invention can carry out continuous processing to sewage, be handled, it can be achieved that right by processes such as sedimentation, filtering, flocculations
Gardens sewage recycles, and equipment investment is few, and operating cost is low, has significant economic benefit.
The microorganism formulation includes mixed bacteria liquid and carrier, and the mixed bacteria liquid is by actinomyces, Bacillus alcaligenes, short and small bud
It is prepared by spore bacillus, candidiasis, bacillus amyloliquefaciens, Clostridium papyrosolvens, Paracoccus denitrificans.
The actinomyces are actinomyces（Actinomyces naeslundii）ATCC 19246；
The Bacillus alcaligenes is Bacillus alcaligenes（Alcaligenes sp.）ATCC31555；
The bacillus pumilus is bacillus pumilus (Bacillus pumilus) ATCC27142；
The candidiasis is candidiasis（Candida utilis）ATCC No.22023;
The bacillus amyloliquefaciens are（Bacillus amyloliquefaciens）ATCC 23843；
The Clostridium papyrosolvens are（Clostridium papyrosolvens）ATCC 700395；
The Paracoccus denitrificans concretely Paracoccus denitrificans (Paracoccus denitrificans) ATCC13543；
The carrier can be solid carrier and/or liquid-carrier.The solid carrier be mineral material, biomaterial and/
Or high-molecular compound；The mineral material can be clay, talcum, kaolin, montmorillonite, white carbon, zeolite, silica, turfy soil
At least one of with diatomite；The biomaterial is stalk, loose shell, straw, peanut shell, corn flour, the beans of all kinds of crops
At least one of powder, starch, turf and excrement of animal；The high-molecular compound is polyvinyl alcohol and/or polyglycols.Institute
It can be organic solvent, vegetable oil, mineral oil or water to state liquid-carrier；The organic solvent is decane and/or dodecane.It is described viscous
Native concretely attapulgite clay.The attapulgite clay be one kind with attapulgite clay mineral as main component, mainly
Chemical composition is hydration zeopan has unique dispersibility containing elements such as K, Na, Ca, Fe, Al, Mg, Mn, Ti
And adsorption capacity.
By verification, final choice carrier is made of following raw materials：Diatomite, chitosan.
Preferably, the carrier by diatomite, chitosan according to weight ratio 2：1 mixes；
The mixed bacteria liquid and carrier are according to 1：2 weight ratio is mixed with biological agent；
The preparation method of the Mixed Microbes liquor is as follows：By actinomyces, Bacillus alcaligenes, bacillus pumilus, Candida
Bacterium, bacillus amyloliquefaciens, Clostridium papyrosolvens, Paracoccus denitrificans are cultivated respectively to a concentration of 1 × 108The bacterium solution of a/ml, is then pressed
According to 4:5:3:2:4:2:3 volume ratio mix to get；
Strain of the present invention can be from China Committee for Culture Collection of Microorganisms's common micro-organisms center
(CGMCC) and American Type Culture collection warehousing（ATCC）, Chinese agriculture Microbiological Culture Collection administrative center（ACCC）Purchase
It can buy.
Those skilled in the art can select suitable culture medium according to common sense and expand cultural method, and viable count is made to reach
108A/gram, and prepared according to the conventional method for preparing microbial solid preparation.
The various strains that can form dominant microflora are configured to high-efficiency microorganism preparation, by one by the composite bacteria agent of the present invention
It is quantitatively added in waste water treatment system, accelerates degradation of the microorganism to sewage, to improve the biological treatment efficiency of system, ensure
System stable operation.Reasonable compatibility between each strain in microorganism formulation, symbiosis are coordinated, and mutually antagonism, preparation method be not simple
Just, easy to implement the method, it is easy to operate, it is conducive to industrialized production；The process operations method of the present invention is simple, reduces resource
Waste, less input, reduces the cost of treated sewage；Treatment process of the present invention has effectively purified gardens sewage, and removes
Phosphorus, denitrogenation remove simultaneously, solve dephosphorization in traditional handicraft and are difficult to the contradiction taken into account simultaneously with denitrification effect；The present invention will purify
Water, which returns, is used for treegarden irrigation, and realizing turns waste into wealth, and kills two birds with one stone.
Specific implementation mode
Embodiment 1
A kind of biological agent, the microorganism formulation include mixed bacteria liquid and carrier, and the mixed bacteria liquid is by actinomyces, production
It is prepared by alkali bacillus, bacillus pumilus, candidiasis, bacillus amyloliquefaciens, Clostridium papyrosolvens, Paracoccus denitrificans.
The actinomyces are actinomyces（Actinomyces sp.）ATCC 19246；
The Bacillus alcaligenes is Bacillus alcaligenes（Alcaligenes sp.）ATCC31555
The bacillus pumilus is bacillus pumilus (Bacillus pumilus) ATCC27142；
The candidiasis is candidiasis（Candida utilis）ATCC No.22023;
The bacillus amyloliquefaciens are（Bacillus amyloliquefaciens）ATCC 23843；
The Clostridium papyrosolvens are（Clostridium papyrosolvens）ATCC 700395；
The Paracoccus denitrificans concretely Paracoccus denitrificans (Paracoccus denitrificans) ATCC13543；
The carrier is made of following raw materials：Diatomite, chitosan.
Preferably, the carrier by diatomite, chitosan according to weight ratio 2：1 mixes；
The mixed bacteria liquid and carrier are according to 1：2 weight ratio is mixed with biological agent；
The preparation method of the Mixed Microbes liquor is as follows：By actinomyces, Bacillus alcaligenes, bacillus pumilus, Candida
Bacterium, bacillus amyloliquefaciens, Clostridium papyrosolvens, Paracoccus denitrificans are cultivated respectively to a concentration of 1 × 108The bacterium solution of a/ml, is then pressed
According to 4:5:3:2:4:2:3 volume ratio mix to get；
Strain of the present invention can be from China Committee for Culture Collection of Microorganisms's common micro-organisms center
(CGMCC) and American Type Culture collection warehousing（ATCC）, Chinese agriculture Microbiological Culture Collection administrative center（ACCC）Purchase
It can buy.
Those skilled in the art can select suitable culture medium according to common sense and expand cultural method, and viable count is made to reach
108A/gram, and prepared according to the conventional method for preparing microbial solid preparation.
Embodiment 2
Sewage sample comes from city park sewage, handles as steps described below
（1）By sewage self-flowing to primary sedimentation tank, sinker and floating material are filtered out, the primary sedimentation tank contains 2% weight ratio（With
The weight ratio of primary sedimentation tank sewage）Settling agent, the settling agent is grouped as by the group of following parts by weight：Diatomite：Calcium hydroxide：
Quartz sand：Activated carbon：Ferrous sulfate=6:4:4:8:5；
（2）Filtering：By step（1）Treated sewage water filtration, obtains filtrate and sludge, filtrate enter second-level settling pond,
Precipitation 8 hours, the flocculation aid of the second-level settling pond 1% weight of interior addition；
The flocculation aid is grouped as by the group of following parts by weight：Polyacrylamide：FeCl3：Pulullan polysaccharide：Bentonite=
3:2:3:4, improvement is optimized to flocculation aid in the present invention, and wherein FeCl3, which cooperates with to play with polyacrylamide, helps solidifying effect,
The flocculating effect of flocculant can be greatly improved, pulullan polysaccharide can generate netted contraction precipitation and not fragile quickly as flocculant
It is broken；Bentonite can be coagulated together wadding grain to form bigger, finer and close flco, so that the degree of polymerization and cohesiveness is greatly enhanced, no
It is broken, and greatly improve the sinking speed and adsorption efficiency of flco so that settling of floccus flocculating setting area bottom will not on
The general clear water layer that enters is extracted out.Ensure effluent quality.
（3）By step（2）Second-level settling pond treated sewage water filtration obtains filtrate and sludge again, merges step（2）
And step（3）The sludge aerobic fermentation of acquisition prepares land use shale, can be by the shale for afforestation, production nursery stock
Grass Nutrition Soil, organic fertilizer etc..
（4）Filtrate after second-level settling pond is drained into biological reaction pool, adjusting pH is 6.5-6.8, by every cube
Rice liquid adds 10 grams of microorganism formulation every time, adds daily 1 time, continuously adds one week, finally stands 3 days, liquid is discharged
For treegarden irrigation.
The microorganism formulation uses preparation prepared by embodiment 1.Wastewater treatment efficiency such as the following table 1：
Table 1
| Before processing（mg/L） | After processing（mg/L） | Removal rate | |
| COD | 3180 | 13 | 99.5% |
| BOD | 1645 | 3 | 99.8% |
| Ammonia nitrogen | 127 | 2 | 98.4% |
| S | 44 | 0.2 | 99.5% |
| P | 51 | 0.2 | 99.6% |
COD≤20mg/L, BOD≤5mg/L, SS≤5mg/L, water quality reach urban sewage reutilization urban reclaimed water water quality
Standard (GB/T 18920-2002), can be used for cell and afforestation and road pours watering etc., realize the circular economy profit of water
With.
Although above having made detailed explanation to this case with generality explanation and specific implementation mode, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
It is modified or improved made by without departing from theon the basis of the spirit of the present invention, belongs to the scope of protection of present invention.
Claims (3)
1. sewage water treatment method in a kind of civic landscape planning,
It is characterised in that it includes following step：
（1）The heavy pond of primary：By sewage self-flowing to primary sedimentation tank, sinker and floating material are filtered out, the primary sedimentation tank contains 2% weight
The settling agent of ratio, the settling agent are grouped as by the group of following parts by weight：Diatomite：Calcium hydroxide：Quartz sand：Activated carbon：Sulphur
Sour ferrous iron=6:4:4:8:5；
（2）Filtering：By step（1）Treated sewage water filtration, obtains filtrate and sludge, and filtrate enters second-level settling pond, precipitation 8
Hour, the flocculation aid of 1% weight of addition in the second-level settling pond；
The flocculation aid is grouped as by the group of following parts by weight：Polyacrylamide：FeCl3：Pulullan polysaccharide：Bentonite=3:2:3:
4,（3）Secondary precipitation：By step（2）Second-level settling pond treated sewage water filtration obtains filtrate and sludge again, merges step
（2）And step（3）The sludge of acquisition；
（4）Biological reaction pool：Filtrate after second-level settling pond is drained into biological reaction pool, adjusting pH is 6.5-6.8, is pressed
Every cubic metre of liquid adds 10 grams of microorganism formulation every time, adds daily 1 time, continuously adds one week, finally 3 days is stood, by liquid
Body discharge is used for treegarden irrigation；
The microorganism formulation includes mixed bacteria liquid and carrier；
The preparation method of the mixed bacteria liquid includes the following steps：By actinomyces, Bacillus alcaligenes, bacillus pumilus, false silk ferment
Female bacterium, bacillus amyloliquefaciens, Clostridium papyrosolvens, Paracoccus denitrificans are cultivated respectively to a concentration of 1 × 108The bacterium solution of a/ml, then
According to 4:5:3:2:4:2:3 volume ratio mix to get.
2. according to the method described in claim 1, it is characterized in that, the mixed bacteria liquid and carrier are according to 1：2 weight ratio is mixed
Conjunction prepares biological agent, and the carrier is by diatomite, chitosan according to weight ratio 2：1 mixes.
3. method according to claim 1 or 2, which is characterized in that
The actinomyces are actinomyces（Actinomyces sp.）ATCC No. 19246；
The Bacillus alcaligenes is Bacillus alcaligenes（Alcaligenes sp.）ATCC No.31555；
The bacillus pumilus is bacillus pumilus (Bacillus pumilus) ATCC No.27142；
The candidiasis is candidiasis（Candida utilis）ATCC No.22023;
The bacillus amyloliquefaciens are bacillus amyloliquefaciens（Bacillus amyloliquefaciens）ATCC
No.23843；
The Clostridium papyrosolvens are Clostridium papyrosolvens（Clostridium papyrosolvens）ATCC No.700395；
The Paracoccus denitrificans is Paracoccus denitrificans (Paracoccus denitrificans) ATCC No.13543.
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| CN103408198A (en) * | 2013-08-23 | 2013-11-27 | 尹梦珍 | Sewage treatment method in landscape planning |
| CN104310657A (en) * | 2014-11-05 | 2015-01-28 | 上海尼塔建筑景观设计有限公司 | Multistage settling and garden sewage regenerating system |
| CN105174665A (en) * | 2015-10-30 | 2015-12-23 | 朱忠良 | Treatment method for dyeing and printing effluent |
| CN105505841A (en) * | 2016-02-24 | 2016-04-20 | 杭州富阳高博信息技术服务有限公司 | Microorganism bacterium agent for treating industrial wastewater pollution |
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| CN103408198A (en) * | 2013-08-23 | 2013-11-27 | 尹梦珍 | Sewage treatment method in landscape planning |
| CN104310657A (en) * | 2014-11-05 | 2015-01-28 | 上海尼塔建筑景观设计有限公司 | Multistage settling and garden sewage regenerating system |
| CN105174665A (en) * | 2015-10-30 | 2015-12-23 | 朱忠良 | Treatment method for dyeing and printing effluent |
| CN105505841A (en) * | 2016-02-24 | 2016-04-20 | 杭州富阳高博信息技术服务有限公司 | Microorganism bacterium agent for treating industrial wastewater pollution |
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