CN105000674A - Method used for processing environmental geology industrial wastewater via biotechnology - Google Patents
Method used for processing environmental geology industrial wastewater via biotechnology Download PDFInfo
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- CN105000674A CN105000674A CN201510384928.9A CN201510384928A CN105000674A CN 105000674 A CN105000674 A CN 105000674A CN 201510384928 A CN201510384928 A CN 201510384928A CN 105000674 A CN105000674 A CN 105000674A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 title claims abstract description 17
- 230000007613 environmental effect Effects 0.000 title abstract description 8
- 239000010842 industrial wastewater Substances 0.000 title abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 23
- 241000195493 Cryptophyta Species 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 22
- 230000000813 microbial effect Effects 0.000 claims abstract description 20
- 241000894006 Bacteria Species 0.000 claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 17
- 238000005516 engineering process Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 229920002101 Chitin Polymers 0.000 claims description 12
- 241000233866 Fungi Species 0.000 claims description 12
- 229910021536 Zeolite Inorganic materials 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 229960001866 silicon dioxide Drugs 0.000 claims description 12
- 239000010457 zeolite Substances 0.000 claims description 12
- 239000012467 final product Substances 0.000 claims description 11
- 239000005995 Aluminium silicate Substances 0.000 claims description 8
- 235000012211 aluminium silicate Nutrition 0.000 claims description 8
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 8
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 8
- 241000194107 Bacillus megaterium Species 0.000 claims description 6
- 235000007122 Scenedesmus obliquus Nutrition 0.000 claims description 6
- 241000195662 Tetradesmus obliquus Species 0.000 claims description 6
- 241000589291 Acinetobacter Species 0.000 claims description 5
- 241000195649 Chlorella <Chlorellales> Species 0.000 claims description 5
- 241000736131 Sphingomonas Species 0.000 claims description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 244000005700 microbiome Species 0.000 description 13
- 239000010865 sewage Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 3
- 238000005067 remediation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000588626 Acinetobacter baumannii Species 0.000 description 1
- 241000195651 Chlorella sp. Species 0.000 description 1
- 241001135759 Sphingomonas sp. Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012050 conventional carrier Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005706 microflora Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- -1 one Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Abstract
The invention belongs to the field of environmental geology industrial wastewater processing, and discloses a method used for processing environmental geology industrial wastewater via biotechnology. The method comprises following steps: step 1, a composite bacteria preparation is prepared; step 2, a composite algae solution is prepared; step 3, a microbial carrier is prepared; step 4, a microbial preparation is prepared; and step 5, biotechnology is adopted for processing. The method used for processing wastewater via biotechnology is simple and feasible; effect is excellent; and cost is low.
Description
Technical field
The invention belongs to environmental geology field of industrial waste water treatment, be specifically related to a kind of method utilizing biochemical technology processing environment geology trade effluent.
Background technology
The set of the geology that environmental geology is existence on the mankind, development environment forms impact, geological problem and associated change information thereof.Environmental geology occurs in China and uses more late, is also more and more give prominence to the impact of producing, living along with a series of serious environmental problem (as environmental pollution, geologic hazard etc.) and propose.Environmental geology waste water mainly comprises trade effluent, biological sewage and rural sewage.Trade effluent refers to the waste water produced in Industrial processes, wherein containing the pollutent produced in the industrial production materials, intermediate product, byproduct and the production process that outflow with water.Industrial sewage complicated component, particularly a large amount of artificial-synthetic compound's entered environments, this kind of material is industrial COD mainly, ammonia nitrogen, sulfide etc. are along with the waste water of plant emissions or solid waste entered environment, due to complicacy and the biological strange property of these these body structures of material, utilization can not be decomposed by the microorganisms at short notice, the microorganism of traditional method of wastewater treatment activated sludge culture can not be removed these pollutents effectively, these materials accumulate for a long time in the environment, the ecotope of depending on for existence to us causes very large pollution, very large harm is brought to the physical and mental health of the mankind.
Current biological restoration is the very potential approach of industrial wastewater treatment, and it mainly comprises phytoremediation, microorganism remediation and microorganism-plant combined reparation.Microorganism remediation is high due to efficiency, does not produce secondary pollution, is the focus that research is both at home and abroad paid close attention to.Carry out microorganism remediation, after not only needing to obtain efficient degrading bacteria, also should possess the solid support material of excellent property, what current application was more is the crop material and inorganic materials pulverized, when carrying out the selection of solid support material, one, solid support material to have absorption microorganism performance; Two, the breeding of microorganism normal growth can be supported, toxic action can not be produced to microorganism; Three, can create conditions for the performance of microbiological deterioration function.And in order to obtain high-performance bio preparation, the reasonable compatibility of microorganism and carrier preparation belong to difficult point and the emphasis of research.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of this invention is to provide a kind of method utilizing biochemical technology processing environment geology trade effluent.The present invention adopts following technical scheme to realize:
Utilize a method for biochemical technology processing environment geology trade effluent, it comprises the steps:
Step 1) prepares composite fungus agent, step 2) prepare compound algae liquid, step 3) prepares microbe carrier, and step 4) prepares microbial preparation; The process of step 5) biochemical technology.
Particularly, comprise the steps:
Step 1) prepares composite fungus agent:
Pericarppium arachidis hypogaeae and stalk are put in pulverizer according to the weight ratio of 1:1, crosses 100 mesh sieves after pulverizing, obtain composite powder; By bacillus megaterium, it is 1 × 10 that Acinetobacter bauamnnii and Sphingomonas are cultured to concentration respectively
7the bacterium liquid of individual/ml, then mixes according to the volume ratio of 2:1:1, obtains mixed bacteria liquid; Mixed bacteria liquid and composite powder are mixed according to the weight ratio of 1:1, to obtain final product;
Step 2) prepare compound algae liquid:
It is 1 × 10 that scenedesmus obliquus and chlorella are cultured to concentration respectively
5the algae liquid of individual/ml, then mixes according to the volume ratio of 2:1, to obtain final product;
Step 3) prepares microbe carrier:
(1) following each raw material for standby is taken according to weight part, wherein, water 25-35 part, kaolin 8-10 part, zeolite powder 6-8 part, ammonium sulfate 3-4 part, chitin 2-3 part, silica-gel powder 1-2 part;
(2) in zeolite powder, add the 1M calcium chloride solution of identical weight, stir, then 360 DEG C of roastings 3 hours, obtain material A;
(3) by water, kaolin, material A, ammonium sulfate, chitin and silica-gel powder add in stirred reactor successively, and 500 turns/min stirs 10min, leave standstill 30min, then 200 turns/min stirs 3min, and being finally placed in 60 DEG C of oven dry to moisture contents is 5%(parts by weight), obtain microbe carrier;
Step 4) prepares microbial preparation:
Mixed by composite fungus agent, compound algae liquid and the microbe carrier mass ratio according to 2:1:5, stir, 30 DEG C are dried to water content is 15%, to obtain final product;
The process of step 5) biochemical technology:
The pH of adjustment trade effluent is 7-7.5, then according to 5g microbial preparation: the ratio of 1 cubic metre of waste water adds microbial preparation, then leaves standstill six days, discharges.
Preferably, kaolinic particle diameter is 100 orders, and the particle diameter of zeolite powder and silica-gel powder is 200 orders, and the particle diameter of chitin is 50 orders;
The bacterial classification that the present invention is used and algae all commercial sources can be bought and obtain from preservation center etc.
Bacterial classification of the present invention and algae all obtain bacterium liquid or the algae liquid of desired concn by the cultural method of routine, this is innovative point of the present invention not, as space is limited, does not repeat one by one.
The beneficial effect that the present invention obtains mainly comprises:
The method simple possible of process trade effluent of the present invention, with low cost, treatment effect is good, easily accept by enterprise; Carrier of the present invention, compared with conventional carrier, can not only expand the specific surface area of carrier, and have tensile strength large, be evenly distributed, specific surface area is large, the features such as long service life; The present invention, by soaking the techniques such as roasting, adds the aperture number of carrier, improves surfaceness and specific surface area, enhance adsorptive power; Adopt different particle diameters for different material, increase the specific surface area of carrier; Carrier provided by the invention can improve the adhesion amount of microorganism greatly, and increase the biofilm biomass of overall attachment, the microorganism concn in reactive tank is improved, and can reduce mud generation; The existence of the anaerobism that carrier provided by the invention provides, anoxic and aerobic various environment can promote nitration denitrification effect, promotes the minimizing of mud simultaneously, is conducive to the removal of the pollutent such as ammonia nitrogen in waste water; Microbial preparation of the present invention, by various bacterial classification and the algae that can form dominant microflora, is mixed with high-performance bio preparation, reasonable compatibility between each microorganism, and symbiosis is coordinated, mutually not antagonism, and biomass is large, and breeding is fast.
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the application's specific embodiment, the technical scheme of the application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiment 1
Utilize a method for biochemical technology processing environment geology trade effluent, it comprises the steps:
Step 1) prepares composite fungus agent, step 2) prepare compound algae liquid, step 3) prepares microbe carrier, and step 4) prepares microbial preparation; The process of step 5) biochemical technology.
Particularly, comprise the steps:
Step 1) prepares composite fungus agent:
Pericarppium arachidis hypogaeae and stalk are put in pulverizer according to the weight ratio of 1:1, crosses 100 mesh sieves after pulverizing, obtain composite powder; By bacillus megaterium, it is 1 × 10 that Acinetobacter bauamnnii and Sphingomonas are cultured to concentration respectively
7the bacterium liquid of individual/ml, then mixes according to the volume ratio of 2:1:1, obtains mixed bacteria liquid; Mixed bacteria liquid and composite powder are mixed according to the weight ratio of 1:1, to obtain final product;
Step 2) prepare compound algae liquid:
It is 1 × 10 that scenedesmus obliquus and chlorella are cultured to concentration respectively
5the algae liquid of individual/ml, then mixes according to the volume ratio of 2:1, to obtain final product;
Step 3) prepares microbe carrier:
(1) following each raw material for standby is taken according to weight part, wherein, 25 parts, water, kaolin 8 parts, zeolite powder 6 parts, 3 parts, ammonium sulfate, chitin 2 parts, silica-gel powder 1 part; Wherein, kaolinic particle diameter is 100 orders, and the particle diameter of zeolite powder and silica-gel powder is 200 orders, and the particle diameter of chitin is 50 orders;
(2) in zeolite powder, add the 1M calcium chloride solution of identical weight, stir, then 360 DEG C of roastings 3 hours, obtain material A;
(3) by water, kaolin, material A, ammonium sulfate, chitin and silica-gel powder add in stirred reactor successively, and 500 turns/min stirs 10min, leave standstill 30min, then 200 turns/min stirs 3min, and being finally placed in 60 DEG C of oven dry to moisture contents is 5%(parts by weight), obtain microbe carrier;
Step 4) prepares microbial preparation:
Mixed by composite fungus agent, compound algae liquid and the microbe carrier mass ratio according to 2:1:5, stir, 30 DEG C are dried to water content is 15%, to obtain final product;
The process of step 5) biochemical technology:
The pH of adjustment trade effluent is 7.5, then according to 5g microbial preparation: the ratio of 1 cubic metre of waste water adds microbial preparation, then leaves standstill six days, discharges.
Embodiment 2
Utilize a method for biochemical technology processing environment geology trade effluent, it comprises the steps:
Step 1) prepares composite fungus agent, step 2) prepare compound algae liquid, step 3) prepares microbe carrier, and step 4) prepares microbial preparation; The process of step 5) biochemical technology.
Particularly, comprise the steps:
Step 1) prepares composite fungus agent:
Pericarppium arachidis hypogaeae and stalk are put in pulverizer according to the weight ratio of 1:1, crosses 100 mesh sieves after pulverizing, obtain composite powder; By bacillus megaterium, it is 1 × 10 that Acinetobacter bauamnnii and Sphingomonas are cultured to concentration respectively
7the bacterium liquid of individual/ml, then mixes according to the volume ratio of 2:1:1, obtains mixed bacteria liquid; Mixed bacteria liquid and composite powder are mixed according to the weight ratio of 1:1, to obtain final product;
Wherein, described bacillus megaterium is (Bacillus megatherium) CGMCC No:2267 (can see CN101215532), and Acinetobacter bauamnnii is (Acinetobacter baumanii) for ATCC 19606(can see Infect Immun. 2012 Mar; 80 (3): 1015-24), Sphingomonas is that (Sphingomonas sp.) CGMCC NO.4589(can see CN102168054A);
Step 2) prepare compound algae liquid:
It is 1 × 10 that scenedesmus obliquus and chlorella are cultured to concentration respectively
5the algae liquid of individual/ml, then mixes according to the volume ratio of 2:1, to obtain final product; Described scenedesmus obliquus is that (Scenedesmus obliquus) CGMCC No.8015(can see CN103484374A), chlorella is (Chlorella sp.) CGMCC NO:3037(CN101565675A).
Step 3) prepares microbe carrier:
(1) following each raw material for standby is taken according to weight part, wherein, 35 parts, water, kaolin 10 parts, zeolite powder 8 parts, 4 parts, ammonium sulfate, chitin 3 parts, silica-gel powder 2 parts; Wherein, kaolinic particle diameter is 100 orders, and the particle diameter of zeolite powder and silica-gel powder is 200 orders, and the particle diameter of chitin is 50 orders;
(2) in zeolite powder, add the 1M calcium chloride solution of identical weight, stir, then 360 DEG C of roastings 3 hours, obtain material A;
(3) by water, kaolin, material A, ammonium sulfate, chitin and silica-gel powder add in stirred reactor successively, and 500 turns/min stirs 10min, leave standstill 30min, then 200 turns/min stirs 3min, and being finally placed in 60 DEG C of oven dry to moisture contents is 5%(parts by weight), obtain microbe carrier;
Step 4) prepares microbial preparation:
Mixed by composite fungus agent, compound algae liquid and the microbe carrier mass ratio according to 2:1:5, stir, 30 DEG C are dried to water content is 15%, to obtain final product;
The process of step 5) biochemical technology:
The pH of adjustment trade effluent is 7, then according to 5g microbial preparation: the ratio of 1 cubic metre of waste water adds microbial preparation, then leaves standstill six days, discharges.
Embodiment 3
The effect test of processing environment geology trade effluent:
Water sample is selected: with the trade effluent of certain sewage work for example;
Test group: according to the method for the embodiment of the present invention 2.
Control group 1: microbe carrier uses diatomite support; Microorganism compatibility is identical with embodiment 2; Processing mode: after adding three days continuously, every day 5g/ cubic meter, then leave standstill six days, check processing the results are shown in Table 1.
Control group 2: microbe carrier is identical with embodiment 2, difference is, only adds three kinds of bacterium, but does not add algae; Processing mode: first day adds 5g/ cubic meter, then leave standstill six days, check processing the results are shown in Table 1.
Table 1
Before process (mg/L) | After process (control group 1) (mg/L) | After process (control group 2) (mg/L) | (test group) (mg/L) after process | |
COD | 1634 | 31.5 | 46.8 | 4.9 |
NH3-N | 163.5 | 15.1 | 23.4 | 2.7 |
Sulfide | 30.3 | 6.6 | 3.1 | 1.2 |
Aniline | 66.9 | 8.7 | 2.8 | 0.7 |
Conclusion: found by test, the present invention makes profits by thing technical finesse waste water simple possible, effective, with low cost; Carrier of the present invention is twice above than the specific surface area of conventional diatomite support, and microorganic adhesion is effective, and drops into number of times and weight all reduces, and long service life, without the need to repeatedly throwing in, has saved cost, reduces the generation of mud.
Although above done detailed explanation with general explanation and embodiment to this case, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, amendment done without departing from theon the basis of the spirit of the present invention or improvement, all belong to the scope of protection of present invention.
Claims (5)
1. utilize a method for biochemical technology processing environment geology trade effluent, it is characterized in that, described method comprises the steps:
Step 1) prepares composite fungus agent, step 2) prepare compound algae liquid, step 3) prepares microbe carrier, and step 4) prepares microbial preparation; The process of step 5) biochemical technology.
2. method according to claim 1, is characterized in that, described method comprises the steps:
Step 1) prepares composite fungus agent:
Pericarppium arachidis hypogaeae and stalk are put in pulverizer according to the weight ratio of 1:1, crosses 100 mesh sieves after pulverizing, obtain composite powder; By bacillus megaterium, it is 1 × 10 that Acinetobacter bauamnnii and Sphingomonas are cultured to concentration respectively
7the bacterium liquid of individual/ml, then mixes according to the volume ratio of 2:1:1, obtains mixed bacteria liquid; Mixed bacteria liquid and composite powder are mixed according to the weight ratio of 1:1, to obtain final product;
Step 2) prepare compound algae liquid:
It is 1 × 10 that scenedesmus obliquus and chlorella are cultured to concentration respectively
5the algae liquid of individual/ml, then mixes according to the volume ratio of 2:1, to obtain final product;
Step 3) prepares microbe carrier:
(1) following each raw material for standby is taken according to weight part, wherein, water 25-35 part, kaolin 8-10 part, zeolite powder 6-8 part, ammonium sulfate 3-4 part, chitin 2-3 part, silica-gel powder 1-2 part;
(2) in zeolite powder, add the 1M calcium chloride solution of identical weight, stir, then 360 DEG C of roastings 3 hours, obtain material A;
(3) by water, kaolin, material A, ammonium sulfate, chitin and silica-gel powder add in stirred reactor successively, and 500 turns/min stirs 10min, leave standstill 30min, then 200 turns/min stirs 3min, and being finally placed in 60 DEG C of oven dry is 5% to moisture content, obtains microbe carrier;
Step 4) prepares microbial preparation:
Mixed by composite fungus agent, compound algae liquid and the microbe carrier mass ratio according to 2:1:5, stir, 30 DEG C are dried to water content is 15%, obtains microbial preparation;
The process of step 5) biochemical technology:
The pH of adjustment trade effluent is 7-7.5, then according to 5g microbial preparation: the ratio of 1 cubic metre of waste water adds microbial preparation, then leaves standstill six days, discharges.
3. method according to claim 2, is characterized in that, described method comprises the steps: that described kaolinic particle diameter is 100 orders.
4. method according to claim 2, is characterized in that, the particle diameter of described zeolite powder and silica-gel powder is 200 orders.
5. method according to claim 2, is characterized in that, the particle diameter of described chitin is 50 orders.
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CN104973696A (en) * | 2015-07-09 | 2015-10-14 | 张振豪 | Preparation technology of biological agent for restoring industrial sewage |
CN107164450A (en) * | 2017-06-30 | 2017-09-15 | 齐齐哈尔龙江阜丰生物科技有限公司 | A kind of recoverying and utilizing method of fermentation waste liquid of lysine |
CN108102969A (en) * | 2018-01-18 | 2018-06-01 | 临沂大学 | A kind of composite bio-chemical preparation and its application in chromium reparation |
CN108178418A (en) * | 2016-12-08 | 2018-06-19 | 管莉 | A kind of method for handling electric system sanitary sewage |
CN109110927A (en) * | 2018-08-24 | 2019-01-01 | 仲恺农业工程学院 | A kind of method of chlorella-acinetobacter calcoaceticus combined removal breeding wastewater nitrogen, phosphorus |
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CN104973696A (en) * | 2015-07-09 | 2015-10-14 | 张振豪 | Preparation technology of biological agent for restoring industrial sewage |
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CN107164450A (en) * | 2017-06-30 | 2017-09-15 | 齐齐哈尔龙江阜丰生物科技有限公司 | A kind of recoverying and utilizing method of fermentation waste liquid of lysine |
CN107164450B (en) * | 2017-06-30 | 2020-08-11 | 齐齐哈尔龙江阜丰生物科技有限公司 | Recycling method of lysine fermentation waste liquid |
CN108102969A (en) * | 2018-01-18 | 2018-06-01 | 临沂大学 | A kind of composite bio-chemical preparation and its application in chromium reparation |
CN108102969B (en) * | 2018-01-18 | 2020-11-06 | 临沂大学 | Composite biochemical preparation and application thereof in chromium repair |
CN109110927A (en) * | 2018-08-24 | 2019-01-01 | 仲恺农业工程学院 | A kind of method of chlorella-acinetobacter calcoaceticus combined removal breeding wastewater nitrogen, phosphorus |
CN113044990A (en) * | 2021-03-25 | 2021-06-29 | 海南天鸿市政设计股份有限公司 | Preparation method of biological membrane for sewage treatment |
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