CN107445391A - A kind of method that Amino Acid Fermentation Wastewater is repaired using biochemical technology - Google Patents
A kind of method that Amino Acid Fermentation Wastewater is repaired using biochemical technology Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- 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
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
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Abstract
The present invention relates to a kind of method that Amino Acid Fermentation Wastewater is repaired using biochemical technology, it is characterised in that comprises the steps:Amino acids industry waste water is flowed through into multiple grid, the grid gap of the multiple grid is gradually reduced, then drain into settling tank, then adsorbent is added, adsorbent is added in sewage by the addition according to sewage per ton addition 0.3kg, settlement treatment is carried out, then through the biological prosthetic processing of hydrolysis acidification anaerobic biochemical treatment.The application can improve processing water and water quality treatment, reduce operating cost, promote qualified discharge.The yield of sludge can also be reduced, is advantageous to the removal of the pollutant such as COD and ammonia nitrogen in waste liquid, application prospect is good.
Description
Technical field
The present invention relates to biofermentation industry amino acid-extraction field, specific open one kind utilizes biochemical technology reparation
The method of Amino Acid Fermentation Wastewater.
Background technology
In amino acids production, bulk fermentation waste liquid is discharged from factory, causes the serious pollution to environment.The CO of this kind of fermented waste fluid
D is dense, and typically in tens of thousands of more than mg/L, though the dilution through various waste water in factory, the COD concentration of composite waste also exists
Nearly ten thousand mg/ L or so, the treatment technology to this high-concentration organic industrial waste water is always the focus and difficult point studied, according to report
The a large amount of thalline contained in road extraction waste water, it is a kind of single cell protein, containing abundant protein, to thalline egg after drying
White chemical composition carries out analysis and finds that the content of protein in the discarded thalline of glutamic acid is up to 85.8% total amino acid content and is
78.77%, the raw material dregs of beans conventional higher than current protein zymolyte, yeast etc..Its amino acid classes and proportioning are all more complete,
And contain other nutriments such as abundant vitamin, nucleic acid, polysaccharide.And glucide is added in glutamic acid fermentation process
With oligoisomaltose can be generated together with glutamic acid after everfermentation.Glutamic acid fermentation produces high-concentration waste water and passes through milipore filter mistake
Bipolar membrane electrodialysis is carried out after filter and carries out desalting processing, the waste water after desalination can be used for producing fertilizer, after obtained desalination
Clear liquid contains substantial amounts of oligoisomaltose.These utilities discharge in vain, cause substantial amounts of loss and waste every year.
Recent years, the development of China's amino acids production industry is very fast, has become foreign capital investment and China's economic
The focus of growth, therefore, the environmental problem such as water resource pollution have become the pass for restricting amino acids production industry value chain
Key.Amino acid wastewater is a kind of harmful nontoxic high concentration organic acidity waste water, and qualified discharge is required with single processing method
It is highly difficult, only walks comprehensive utilization and administer the route being combined, clean manufacturing could be realized.
Fu Feng groups are the leading enterprises of the amino acid such as worldwide production glutamic acid, xanthans and derived product, glutamic acid and
Yield of xanthan gum occupies the whole world first.The main source of amino acid fermentation sewage is:Waste liquor after the extracted glutamic acid of zymotic fluid
Or ion exchange tail washings;(tank of sizing mixing, liquefied pot, saccharifying tank, fermentation tank, extractor, neutralization are de- for various equipment in production process
Tank of color etc.) washes;Ion exchange resin washs and regenerative wastewater;Liquefaction (95 DEG C) to be saccharified, be saccharified to fermentation etc.
The cooling water in each stage;Various condensed waters (technique such as liquefaction, saccharification, concentration);
The characteristics of Some Domestic manufacturer production waste water quality and subject matter
On the one hand:The electricity such as the extraction generally use of glutamic acid-and from the method for friendship, make glutamic acid knot by adding concentrated sulfuric acid regulation isoelectric point
Crystalline substance comes out, and caused ammonium sulphate waste liquor in production process, brings difficulty to liquid waste processing, environment, water source are caused directly
Harm.
On the other hand:Monosodium glutamate industry is also the largest source of pollution in China's fermentation industry, according to statistics, msg product production per ton
Raw 15 tons or so of high-concentration waste water.Monosodium glutamate industry high concentrated organic wastewater is seriously polluted, is the common problem that industry protrudes.Fermentation
Waste liquor or glutamate wastewater are the primary pollution source of glutamate production industry.
Finally:Absorption method depends on the huge specific surface area of adsorbent, is removed by physical absorption or chemisorbed
The pollutant gone in water.Activated carbon is because having abundant pore structure and huge specific surface area, and its chemical stability is good, inhales
Attached ability is strong, is often widely used as a kind of important sorbent material, but its cost is higher.Also utilize attapulgite
Adsorbed Deng nonmetallic ion mineral, but natural non-metallic mineral have some following limitation as adsorbent:Natural non-gold
Category mineral density is larger and specific surface area is limited, and how negatively charged natural non-metallic mineral surfaces are, and directly uses natural non-metallic
Fine ore such as clay minerals can have the problem of solid-liquid is difficult to separation after adsorbing as adsorbent.
At present, the handling process and comprehensive profit of China's related scientific research universities and colleges, amino acids production enterprise around amino acid wastewater
Be used as substantial amounts of work, it is proposed that many new handling process and recycling scheme, the improvement of amino acid wastewater just by
Step is intended to the synthesis that new handling process is combined with whole process recycling.Applicant group company is directed to for many years
The amino acids production method of public relations cleaning, the technique for being once disclosed effectively processing fermented waste fluid, which uses microbial bacteria
Agent, processing COD, ammonia nitrogen, SS effects are good, but have in microbial inoculum that bacterial strain species is excessive, add the possibility of bacterial strain pollution, bacterium
Agent usage amount is bigger than normal, and sewage per ton needs plus 0.5-1kg physical absorbents and 15-20g microbial inoculum, and microbial inoculum easily deposits
To bottom of pond, wadding is caused to collect, so as to produce substantial amounts of sludge, cleaning is relatively difficult.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, there is provided one kind repairs amino acid fermentation using biochemical technology
The method of waste water, production process is easy to operate, meets the requirement of comprehensive utilization of resources, energy-saving and emission-reduction, while reduces waste liquid row
Put, alleviate sewage disposal burden, bring huge economic benefit and environmental benefit.In order to realize the object of the invention, use
Following technical scheme:
A kind of method that Amino Acid Fermentation Wastewater is repaired using biochemical technology, it is characterised in that comprise the steps:
A, natural subsidence
Glutamic acid fermentation industrial wastewater is flowed through into multiple grid, the grid gap of the multiple grid is gradually reduced, and is discharged into settling tank, so
After add adsorbent, adsorbent is added in sewage by the addition that 0.3kg is added according to sewage per ton, and is blown into air, then
Settlement treatment is carried out, that is, obtains the supernatant of industrial wastewater;
The adsorbent is:It is 5 according to oyster shell whiting, granite, bodied ferric sulfate mass ratio:4:1 mass ratio is mixed with;
B, hydrolysis acidification anaerobic biochemical treatment
The industrial wastewater supernatant described in step A is first discharged into acid-base accommodation pond, pH is adjusted to 3-7, then drains into hydrolysis acid
Change pond and acidifying anaerobic biochemical treatment is hydrolyzed, that is, obtain the industrial wastewater after hydrolysis acidification;
C, biological prosthetic processing
Industrial wastewater after hydrolysis acidification described in step B is discharged into sedimentation basin, regulation pH is 6.5-7.0, and addition biology is repaiied
Agent advanced treating is replicated, biological prosthetic 2-3 grams of preparation is added every time by every cubic metre of liquid, adds daily 1 time, continuously add 5-
7 days, then 3 days are stood, finally filter and discharge by plate filter;The plate filter is used to collect microbial cells, keeps away
Exempt to pollute water body.The discharge water for meeting environmental protection standard can be obtained.
The biological prosthetic preparation is by complex micro organism fungicide and carrier according to 3-2:2-1 weight ratio is mixed with, institute
Stating the active component of complex micro organism fungicide includes the raw material of following parts by weight:
4 parts of Rhodococcus sp zymotic fluid, 5 parts of bacillus pumilus zymotic fluid, 2 parts of heteroplasia mould zymotic fluid, M. luteus fermented liquid
3 parts.
The Rhodococcus sp is Rhodococcus sp(Rhodococcus rhodochrous) ATCC 15906;
The bacillus pumilus is bacillus pumilus(Bacillus pumnlis)CCTCC NO.M2014225;
The heteroplasia mould is heteroplasia mould(Penicillium diversum)ATCC 10437;
The micrococcus luteus (Micrococcus luteus) is ATCC 49442.
Above Rhodococcus sp, bacillus pumilus, heteroplasia mould, micrococcus luteus are controlled according to cellar culture concentration
1×108Individual/gram, the bacterium solution cultivated is mixed to get complex micro organism fungicide according to mass ratio;
The preparation method of the carrier is:
By zeolite and kaolinite according to 2:1 mass ratio puts into pulverization process in pulverizer, is then ground to the powder of 100 mesh
End;By above-mentioned powder, starch and chitosan according to 2:2:1 mass ratio is put into agitator, 1000rpm stirring 10min, is obtained
To mixed material, then with polystyrene microsphere according to 1:1 mass ratio is added in comminutor, is subsequently added into that to account for polystyrene micro-
The concentration of ball quality 30% is 6wt% polyvinyl alcohol water solution, and the particle that particle diameter is 1-2mm is made;By particle in 80 DEG C of baking
30min is dried in case, then puts into sintering furnace and is sintered, 700 DEG C of sintering temperature, is incubated 20min, is taken out, natural cooling
To room temperature, produce.
Biological prosthetic 2-3 grams of preparation is added every time by every cubic metre of liquid, is added 1 time, is continuously added 5-7 days daily, then
3 days are stood, finally filters and discharges by plate filter;The plate filter is used to collect microbial cells, avoids to water
Body pollutes.The discharge water for meeting environmental protection standard can be obtained.
The beneficial effect that the present invention obtains:
It according to oyster shell whiting, granite, bodied ferric sulfate mass ratio is 5 that 1 adsorbent, which is,:4:1 mass ratio is mixed with, and it contains
Certain silicates are the natural material of main body, and containing organic matter and mineral matter, it is main body to be present in containing silicates
Trace element in natural, can be separated out, and make dirt in the presence of dissolved oxygen, acid ion in sewage over time
Soluble pollutants chemically react in water, generate solidifying body, are purified water quality.And bodied ferric sulfate may be such that sewage
Middle organic matter the characteristic such as is caught and built bridge by playing its net, accelerates aggegation, the conversion of pollutant so that in water body molecule and
Pollutant is aggregated into floccule body.
2, in order to reduce the dependence to single specific microbial inoculum, avoid the occurrence of loss caused by microbial inoculum pollution, applicant's exploitation
Multiple-microorganism preparation, is complementary to one another, ensures the normal operation of sewage disposal, the application composite bacteria agent is specifically for the present invention
The waste water of extracting glutamic acid preparation process, by the various strains that can form dominant microflora, high-efficiency microorganism preparation is configured to, by one
Quantitatively it is added in Waste Water Treatment, accelerates the degraded of microbe, to improve the biological treatment efficiency of system, protects
Demonstrate,prove system stable operation.It contains a variety of microorganisms for having excellent degradation capability to Recalcitrant chemicals, between each strain rationally
Compatibility, symbiosis are coordinated, mutually not antagonism, and activity is high, and biomass is big, and breeding is fast, adds in Waste Water Treatment, to macromolecular,
Hard-degraded substance has good degradation effect, there is the treatment effect of uniqueness to traditional propylhomoserin process discharge waste water.Suitable for this Shen
Please preparation method produce discharge of wastewater processing, processing water and water quality treatment can be improved, operating cost is reduced, promote row up to standard
Put.
3 traditional carriers, easily precipitation, microorganism formulation of the present invention are granulated using carrier and bacterium solution and obtained, specific surface area
Greatly, thalline adhesive force is strong, and density is suitable with water body, can suspend and in water body, avoid that preparation density is excessive to be deposited in bottom of pond
Caused by microbial profile it is uneven and influence scavenging effect, moreover it is possible to reduce the yield of sludge, be advantageous to COD and ammonia nitrogen in waste liquid
Deng the removal of pollutant.
Embodiment:
Embodiment 1:
The glutami acid fermentation liquor in Fu Feng workshops is taken, using following steps:
A, natural subsidence
Glutamic acid fermentation industrial wastewater is flowed through into multiple grid, the grid gap of the multiple grid is gradually reduced, and is discharged into settling tank, so
After add adsorbent, adsorbent is added in sewage by the addition that 0.3kg is added according to sewage per ton, and is blown into air, then
Settlement treatment is carried out, that is, obtains the supernatant of industrial wastewater;
The adsorbent is:It is 5 according to oyster shell whiting, granite, bodied ferric sulfate mass ratio:4:1 mass ratio is mixed with;
B, hydrolysis acidification anaerobic biochemical treatment
The industrial wastewater supernatant described in step A is first discharged into acid-base accommodation pond, pH is adjusted to 4, then drains into hydrolysis acidification
Acidifying anaerobic biochemical treatment is hydrolyzed in pond, that is, obtains the industrial wastewater after hydrolysis acidification;
C, biological prosthetic processing
Industrial wastewater after hydrolysis acidification described in step B is discharged into sedimentation basin, regulation pH is 6.5, adds biological prosthetic system
Agent advanced treating, biological prosthetic 2 grams of preparation is added every time by every cubic metre of liquid, adds 1 time, continuously adds 7 days daily, then it is quiet
Put 3 days, finally filter and discharge by plate filter;The plate filter is used to collect microbial cells, avoids to water body
Pollute.The discharge water for meeting environmental protection standard can be obtained.
The biological prosthetic preparation is by complex micro organism fungicide and carrier according to 3:2 weight ratio is mixed with, described multiple
Closing the active component of microbial bacterial agent includes the raw material of following parts by weight:
4 parts of Rhodococcus sp zymotic fluid, 5 parts of bacillus pumilus zymotic fluid, 2 parts of heteroplasia mould zymotic fluid, M. luteus fermented liquid
3 parts.
The Rhodococcus sp is Rhodococcus sp(Rhodococcus rhodochrous) ATCC 15906;Referring to document
Cloning and Characterization of Benzoate Catabolic Genes in the Gram-Positive
Polychlorinated Biphenyl DegraderRhodococcus sp. Strain RHA1, J.
Bacteriol.November 2001;
The bacillus pumilus is bacillus pumilus(Bacillus pumnlis)CCTCC NO.M 2014225
(CN104263677);
The heteroplasia mould is heteroplasia mould(Penicillium diversum)ATCC 10437;
The micrococcus luteus (Micrococcus luteus) is ATCC 49442.
By above Rhodococcus sp, bacillus pumilus, heteroplasia mould, micrococcus luteus, control according to cellar culture concentration
1 × 108Individual/gram, the bacterium solution cultivated is mixed to get complex micro organism fungicide according to mass ratio;
The preparation method of the carrier is:
By zeolite and kaolinite according to 2:1 mass ratio puts into pulverization process in pulverizer, is then ground to the powder of 100 mesh
End;By above-mentioned powder, starch and chitosan according to 2:2:1 mass ratio is put into agitator, 1000rpm stirring 10min, is obtained
To mixed material, then with polystyrene microsphere according to 1:1 mass ratio is added in comminutor, is subsequently added into that to account for polystyrene micro-
The concentration of ball quality 30% is 6wt% polyvinyl alcohol water solution, and the particle that particle diameter is 1-2mm is made;By particle in 80 DEG C of baking
30min is dried in case, then puts into sintering furnace and is sintered, 700 DEG C of sintering temperature, is incubated 20min, is taken out, natural cooling
To room temperature, produce.
Biological prosthetic 2 grams of preparation is added every time by every cubic metre of liquid, is added 1 time, is continuously added 7 days, then stand 3 daily
My god, finally filter and discharge by plate filter;The plate filter is used to collect microbial cells, avoids causing water body
Pollution.The discharge water for meeting environmental protection standard can be obtained.
Embodiment 2:
The glutami acid fermentation liquor in Fu Feng workshops is taken, using following steps:
A, natural subsidence
Glutamic acid fermentation industrial wastewater is flowed through into multiple grid, the grid gap of the multiple grid is gradually reduced, and is discharged into settling tank, so
After add adsorbent, adsorbent is added in sewage by the addition that 0.3kg is added according to sewage per ton, and is blown into air, then
Settlement treatment is carried out, that is, obtains the supernatant of industrial wastewater;
The adsorbent is:It is 5 according to oyster shell whiting, granite, bodied ferric sulfate mass ratio:4:1 mass ratio is mixed with;
B, hydrolysis acidification anaerobic biochemical treatment
The industrial wastewater supernatant described in step A is first discharged into acid-base accommodation pond, pH is adjusted to 6, then drains into hydrolysis acidification
Acidifying anaerobic biochemical treatment is hydrolyzed in pond, that is, obtains the industrial wastewater after hydrolysis acidification;
C, biological prosthetic processing
Industrial wastewater after hydrolysis acidification described in step B is discharged into sedimentation basin, regulation pH is 7.0, adds biological prosthetic system
Agent advanced treating, biological prosthetic 3 grams of preparation is added every time by every cubic metre of liquid, adds 1 time, continuously adds 5 days daily, then it is quiet
Put 3 days, finally filter and discharge by plate filter;The plate filter is used to collect microbial cells, avoids to water body
Pollute.The discharge water for meeting environmental protection standard can be obtained.
The biological prosthetic preparation is by complex micro organism fungicide and carrier according to 2:1 weight ratio is mixed with, described multiple
Closing the active component of microbial bacterial agent includes the raw material of following parts by weight:
4 parts of Rhodococcus sp zymotic fluid, 5 parts of bacillus pumilus zymotic fluid, 2 parts of heteroplasia mould zymotic fluid, M. luteus fermented liquid
3 parts.
The Rhodococcus sp is Rhodococcus sp(Rhodococcus rhodochrous) ATCC 15906;Referring to document
Cloning and Characterization of Benzoate Catabolic Genes in the Gram-Positive
Polychlorinated Biphenyl DegraderRhodococcus sp. Strain RHA1, J.
Bacteriol.November 2001;
The bacillus pumilus is bacillus pumilus(Bacillus pumnlis)CCTCC NO.M 2014225
(CN104263677);
The heteroplasia mould is heteroplasia mould(Penicillium diversum)ATCC 10437;
The micrococcus luteus (Micrococcus luteus) is ATCC 49442.
By above Rhodococcus sp, bacillus pumilus, heteroplasia mould, micrococcus luteus, control according to cellar culture concentration
1 × 108Individual/gram, the bacterium solution cultivated is mixed to get complex micro organism fungicide according to mass ratio;
The preparation method of the carrier is:
By zeolite and kaolinite according to 2:1 mass ratio puts into pulverization process in pulverizer, is then ground to the powder of 100 mesh
End;By above-mentioned powder, starch and chitosan according to 2:2:1 mass ratio is put into agitator, 1000rpm stirring 10min, is obtained
To mixed material, then with polystyrene microsphere according to 1:1 mass ratio is added in comminutor, is subsequently added into that to account for polystyrene micro-
The concentration of ball quality 30% is 6wt% polyvinyl alcohol water solution, and the particle that particle diameter is 1-2mm is made;By particle in 80 DEG C of baking
30min is dried in case, then puts into sintering furnace and is sintered, 700 DEG C of sintering temperature, is incubated 20min, is taken out, natural cooling
To room temperature, produce.
Embodiment 3 handles waste water example effects
Exemplified by the glutamic acid-fermented waste liquid for taking abundant rich workshop(COD is 934mg/L, ammonia nitrogen 226mg/L, sulfide 77mg/
L), by taking the method for embodiment 1 as an example, COD, ammonia nitrogen, sulfide data are measured by sampling;And control group is set, detected in microbial inoculum
The effect of each bacterial strain:
Control group 1:Rhodococcus sp is not added, remaining is the same as embodiment 1;
Control group 2:Bacillus pumilus is not added, remaining is the same as embodiment 1;
Control group 3:Heteroplasia mould is not added, and remaining is the same as embodiment 1;
Control group 4:Micrococcus luteus is not added, remaining is the same as embodiment 1;
Compare 5 groups:Step A adsorbent is not added, and remaining is the same as embodiment 1.
Specific testing result is shown in Table 1:
The wastewater treatment example of table 1
Embodiment 1(mg/L) | Control group 1(mg/L) | Control group 2(mg/L) | Control group 3(mg/L) | Control group 4(mg/L) | The mg/L of control group 5 | |
COD clearances(%) | 98.4% | 46.5% | 45.4% | 70.6% | 57.1% | 66.3% |
NH3-N clearances(%) | 99.1% | 60.7% | 62.3% | 48.7% | 79.3% | 40.5% |
Sulfide clearance(%) | 99.7% | 50.4% | 70.3% | 41.5% | 38.9% | 40.2% |
Clarity | 28cm | 17cm | 14cm | 18cm | 15cm | 15cm |
Conclusion, mushroom reasonable compatibility in invention formulation, concertedness is strong, coordinates physical absorbent, can effectively remove fermentation
COD, ammonia nitrogen and sulfide in waste liquid.
Embodiment 4
Test group:The method of the embodiment of the present invention 1;
Control group:Patent of invention technology " a kind of biochemical preparation for being used to administer glutamic acid fermentation sewage " detection before applicant
The indexs such as the density of microorganism formulation, replacement frequency and sludge yield, are specifically shown in Table 2:
The study on the carrier of table 2 is tested
Index | Density g/ml | Replacement frequency d | 10th day sludge yield g/L | 20th day sludge yield g/L |
Test group | 1.04 | 60d | 3.7 | 8.8 |
Control group | 1.27 | 20d | 8.9 | 19.5 |
The present invention to support modification by being granulated so that microbial inoculum distribution is more uniform, accelerates aggegation, the conversion of pollutant so that
Molecule and pollutant are aggregated into floccule body in water body, reduce replacing frequency of use, reduce the generation of sludge.
Listed above is only the optimal specific embodiment of the present invention.It is clear that the invention is not restricted to above example, may be used also
To there is many deformations.All changes that one of ordinary skill in the art directly can export or associate from present disclosure
Shape, it is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. method that Amino Acid Fermentation Wastewater is repaired using biochemical technology, it is characterised in that comprise the steps:Natural subsidence-hydrolysis acidification anaerobic biochemical treatment-biological prosthetic processing.
- 2. according to the method for claim 1, it is characterised in that the natural subsidence, step are as follows:Amino Acid Fermentation Wastewater is flowed through into multiple grid, settling tank is discharged into, then adds adsorbent, is added according to waste water per ton Adsorbent is added in waste water by 0.3kg addition, carries out settlement treatment;The grid gap of the multiple grid is gradually reduced;Institute Adsorbent is stated by oyster shell whiting, granite, bodied ferric sulfate according to 5:4:1 mass ratio is mixed with and obtained.
- 3. according to the method for claim 1, it is characterised in that the hydrolysis acidification anaerobic biochemical treatment is specially:Waste water Jing Guo natural subsidence is discharged into acid-base accommodation pond, pH is adjusted to 3-7, is then drained into hydrolysis acidification pool and is hydrolyzed It is acidified anaerobic biochemical treatment.
- 4. according to the method for claim 1, it is characterised in that it is described it is biological prosthetic processing be specially:Industrial wastewater through hydrolysis acidification anaerobic biochemical treatment is discharged into sedimentation basin, regulation pH is 6.5-7.0, and addition is biological prosthetic Preparation advanced treating, biological prosthetic 2-3 grams of preparation is added every time by every cubic metre of liquid, adds daily 1 time, continuously adds 5-7 My god, then stand 3 days.
- 5. according to the method described in claim 1-4, it is characterised in that the biological prosthetic preparation by complex micro organism fungicide and Carrier is according to 3-2:2-1 weight ratio is mixed with, and the complex micro organism fungicide includes the raw material of following parts by weight:4 parts of Rhodococcus sp zymotic fluid, 5 parts of bacillus pumilus zymotic fluid, 2 parts of heteroplasia mould zymotic fluid, M. luteus fermented liquid 3 parts.
- 6. according to the method described in claim 1-5, it is characterised in thatThe Rhodococcus sp is Rhodococcus sp(Rhodococcus rhodochrous) ATCC 15906;The bacillus pumilus is bacillus pumilus(Bacillus pumnlis)CCTCC No. M 2014225;The heteroplasia mould is heteroplasia mould(Penicillium diversum)ATCC 10437;The micrococcus luteus (Micrococcus luteus) is ATCC 49442.
- 7. according to the method described in claim 1-6, it is characterised in that the preparation method of the complex micro organism fungicide is:Rhodococcus sp, bacillus pumilus, heteroplasia mould, micrococcus luteus are controlled 1 × 10 according to cellar culture concentration8Individual/ Gram, the bacterium solution cultivated mixes according to part by weight to be produced.
- 8. according to the method described in claim 1-7, it is characterised in that the preparation method of the carrier is:By zeolite and kaolinite according to 2:1 mass ratio puts into pulverization process in pulverizer, is then ground to the powder of 100 mesh End;By above-mentioned powder, starch and chitosan according to 2:2:1 mass ratio is put into agitator, 1000rpm stirring 10min, is obtained To mixed material, then with polystyrene microsphere according to 1:1 mass ratio is added in comminutor, is subsequently added into that to account for polystyrene micro- The concentration of ball quality 30% is 6wt% polyvinyl alcohol water solution, is placed in after granulation in 80 DEG C of baking oven and dries 30min, then put into It is sintered into sintering furnace, 700 DEG C of sintering temperature, is incubated 20min, is taken out, naturally cool to room temperature, produce.
- 9. according to the method described in claim 1-8, it is characterised in that the preferred glutamic acid of amino acid.
- 10. claim 1-9 methods describeds are used for the purposes for handling Amino Acid Fermentation Wastewater.
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