CN111072156A - Composite microecological preparation for treating black and odorous water body - Google Patents

Composite microecological preparation for treating black and odorous water body Download PDF

Info

Publication number
CN111072156A
CN111072156A CN201911385422.4A CN201911385422A CN111072156A CN 111072156 A CN111072156 A CN 111072156A CN 201911385422 A CN201911385422 A CN 201911385422A CN 111072156 A CN111072156 A CN 111072156A
Authority
CN
China
Prior art keywords
composite
microecological preparation
water
water body
black
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911385422.4A
Other languages
Chinese (zh)
Inventor
杜瑾
张爱君
司晓光
张晓青
邱金泉
王勋亮
曹军瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Institute of Seawater Desalination and Multipurpose Utilization MNR
Original Assignee
Tianjin Institute of Seawater Desalination and Multipurpose Utilization MNR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Institute of Seawater Desalination and Multipurpose Utilization MNR filed Critical Tianjin Institute of Seawater Desalination and Multipurpose Utilization MNR
Priority to CN201911385422.4A priority Critical patent/CN111072156A/en
Publication of CN111072156A publication Critical patent/CN111072156A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/342Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/347Use of yeasts or fungi
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/348Biological 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/02Odour removal or prevention of malodour

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mycology (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The invention discloses a composite microecological preparation for black and odorous water treatment, belonging to the technical field of biological and water treatment, and the composite microecological preparation for black and odorous water treatment comprises the following components: the concentration of the compound microorganism is 50-70 mL and is 107~1010In the cfu/mL range, 10-15 g of enzyme, 3-8 g of biosurfactant, 5-10 g of microbial source algistat and 100mL of water are added; the composite microecological preparation for treating the black and odorous water body treats the black and odorous water body through the synergistic effect of the components, quickly and effectively improves the water quality, restores the water ecology and restores the self-purification capacity of the water body.

Description

Composite microecological preparation for treating black and odorous water body
Technical Field
The invention belongs to the technical field of biology and water treatment, and particularly relates to a composite microecological preparation for treating black and odorous water.
Background
Black and odorous water is a generic term for water that exhibits unpleasant colors (black and blackish) and/or emits unpleasant odors (smells or malodors). With the accelerated industrialization and urbanization process in China, improper water body protection, wide source of nutrients in the water body and abnormally high background concentration, a plurality of water bodies are in a eutrophication state, and the water body environment is very fragile.
The treatment of urban black and odorous water is a system project, and the main treatment idea is as follows: the method mainly comprises a physical method, a chemical method, a biological method and the like. The common physical methods for treating black and odorous water bodies include artificial aeration, river diversion and cleaning, bottom mud dredging, sewage interception and source control and the like. The common chemical method for treating black and odorous water is flocculation precipitation, and inorganic or high molecular organic flocculant is used to adsorb and precipitate suspended solid particles and nitrogen and phosphorus in the water.
The bioremediation method is to degrade or remove pollutants in water by using a unique biological metabolic mode of microorganisms, plants, animals and the like, and compared with the traditional physical and chemical methods, the bioremediation method is energy-saving and environment-friendly and has good application prospect. The microorganism strengthening technology is characterized in that a high-efficiency microbial agent or a biological enzyme preparation is added into a water body to strengthen the removal of organic pollutants by microorganisms, and the microorganism strengthening technology has the advantages of rapid remediation of the organic pollutants in the water body, remarkable water quality purification, low cost, simple operation, no secondary pollution and the like. In addition, some non-toxic biological extraction components have the function of inhibiting and killing algae and can be used as an algae inhibiting component in a microecological preparation to enhance the water purifying effect of a microbial inoculum. Such as biosurfactant, allelochemicals, etc. secreted by microorganisms or plants.
At present, there are hundreds of microbial inoculum in commercial production, but due to the particularity of the water quality of the black and odorous water body, the common microbial inoculum is not suitable for the black and odorous water body, has poor treatment effect, and particularly cannot pertinently remove or inhibit harmful algae in the water body, so that the water ecology is difficult to restore. Therefore, a micro-ecological preparation for effectively improving water quality and restoring water ecology and treating black and odorous water is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a composite microecological preparation for treating black and odorous water.
The technical scheme of the invention is summarized as follows:
a composite microecological preparation for treating black and odorous water comprises the following components in proportion: the concentration of the compound microorganism is 50-70 mL and is 107~1010In the cfu/mL range, 10-15 g of enzyme, 3-8 g of biosurfactant, 5-10 g of microbial source algistat and 100mL of water are added;
the biosurfactant is prepared by the method of Chinese patent No. 201510403950.3;
the microbial source algistat is prepared by a method of Chinese patent No. 201811607964.7.
The composite microorganism comprises bacillus subtilis fermentation liquor, rhodopseudomonas palustris fermentation liquor, Angel saccharomycete fermentation liquor, lactobacillus fermentation liquor and actinomycete fermentation liquor in a volume ratio of (1-2) to (1-2).
The composite microorganism also comprises a bacillus megaterium fermentation liquid, and the volume of the bacillus megaterium fermentation liquid is 1-2 times of the volume of the Angel yeast fermentation liquid.
And further comprises rhodococcus fermentation liquor, wherein the volume of the rhodococcus fermentation liquor is 1-2 times of that of Angel yeast fermentation liquor.
The enzyme is pectinase, or a combination of pectinase and cellulase.
The mass ratio of the pectinase to the cellulase in the composition is 1: 1.
The activity of the pectinase is 50000U/g;
the cellulase activity was 50000U/g.
The composite microecological preparation for treating the black and odorous water body treats the black and odorous water body through the synergistic effect of the components, quickly and effectively improves the water quality, restores the water ecology and restores the self-purification capacity of the water body.
Detailed Description
The biosurfactant in each embodiment of the invention is prepared by the method of Chinese patent No. 201510403950.3; the microbial source algistat is prepared by a method of Chinese patent No. 201811607964.7.
Bacillus subtilis is exemplified by ACCC01031, Rhodopseudomonas palustris is exemplified by ACCC10650, Saccharomyces angularis is commercially available, lactic acid bacteria is exemplified by Lactobacillus acidophilus CGMCC1.1854, and actinomycetes is exemplified by Actinoplanes slimes CGMCC 4.7090.
Bacillus megaterium is exemplified by ACCC 01151.
All the above were purchased. It is also possible to select a strain of the same genus and species having a similar action to the above-mentioned strain.
The Rhodococcus is exemplified by CGMCC 10724.
Rhodococcus (Rhodococcus sp.SY095) CGMCC No.10724 is a institute of Tianjin seawater desalination and comprehensive utilization (now named as the institute of Tianjin seawater desalination and comprehensive utilization in the department of Natural resources) of the applicant of the present application, and is preserved in the general microbiological center of the China Committee for culture Collection of microorganisms at 2015 year 4 month 16 days and survives; the address is as follows: the institute of microbiology, national academy of sciences No. 3, Xilu No.1, Beijing, Chaoyang, Beijing.
The solvent for each particular microorganism in the complex microorganism is a medium suitable for growth of the particular microorganism.
Example 1
Obtaining of each fermentation broth:
culturing Bacillus subtilis ACCC01031 with LB culture medium at 35 deg.C to stationary phase (concentration of 10)7~1010cfu/mL) to obtain a fermentation broth.
Rhodopseudomonas palustris ACCC10650 is cultured in RCVBN culture medium at 25 deg.C to stationary phase (concentration reaches 10%7~1010cfu/mL) to obtain a fermentation broth.
Culturing Angel yeast in YPD culture medium at 28 deg.C to stationary phase (concentration of 10 ℃)7~1010cfu/mL) to obtain a fermentation broth.
The lactobacillus CGMCC1.1854 is cultured in MRS culture medium at 37 deg.C to stationary phase (concentration reaches 10%7~1010cfu/mL) to obtain a fermentation broth.
Actinomycetes CGMCC4.7090 is cultured in malt extract culture medium at 28 deg.C to stationary phase (concentration up to 10%7~1010cfu/mL) to obtain a fermentation broth.
The bacillus megaterium ACCC01151 is cultured in LB culture medium at 35 deg.c to stationary phase (the concentration reaches 10 ℃)7~1010cfu/mL) to obtain a fermentation broth.
Rhodococcus CGMCC10724 is cultured in LB culture medium at 30 deg.c to stationary phase (concentration up to 10)7~1010cfu/mL) to obtain a fermentation broth.
Example 2
A composite microecological preparation for treating black and odorous water comprises the following components: the concentration of the compound microorganism is 50mL and is 107~1010The range of cfu/mL, 15g of enzyme, 8g of biosurfactant, 10g of microbial source algistat and 100mL of water; the solvent of the compound microorganism is a culture medium of each bacterium forming the compound microorganism, the compound microorganism is composed of bacillus subtilis, rhodopseudomonas palustris, Angel saccharomycetes, lactic acid bacteria and actinomycete fermentation liquor according to the volume ratio of 1:1:1:1:1, wherein the enzyme is pectinase, and the enzyme activity is 50000U/g.
The black and odorous water body used was a water body of a certain pit in the west green district of Tianjin, the composite microecological preparation for black and odorous water body treatment of the present example was used at a usage amount of 0.1L/ton of water, water body senses, odor and harmful algae conditions were recorded, water body COD, ammonia nitrogen and total phosphorus content were measured, COD reduction rate, ammonia nitrogen degradation rate and phosphorus removal rate were calculated, and the results are shown in table 1.
CODcrThe determination adopts a GB/T11914-1989 method, the ammonia nitrogen determination adopts a GB/T7479-1987 method, the total phosphorus determination adopts a GB/T11893-1989 method, and the algae inhibition rate is the algae cell death rate.
Table 1 composite microecological formulation formula 1 treated water body index
Figure BDA0002343472830000031
Example 3:
a composite microecological preparation for treating black and odorous water comprises the following components: the concentration of the compound microorganism is 60mL and is 107~1010In the range of cfu/mL, 12g of enzyme, 5g of biosurfactant and 8g of microbial source algistat are added with water to 100 mL; the solvent of the compound microorganism is a culture medium of each bacterium forming the compound microorganism, and the compound microorganismThe microbial fermentation broth comprises bacillus subtilis, rhodopseudomonas palustris, Angel saccharomycetes, lactic acid bacteria, actinomycetes and bacillus megaterium fermentation broth according to the volume ratio of 1:1:1:1:1, wherein the enzyme is a composition of pectinase and cellulase according to the mass ratio of 1:1, and the activity of the pectinase is 50000U/g. The cellulase activity was 50000U/g.
The black and odorous water body used was a water body of a pit in east popliteal region of Tianjin, the composite microecological preparation for black and odorous water body treatment of the present example was used at a dosage of 0.1L/ton of water, water body senses, odor and harmful algae conditions were recorded, water body COD, ammonia nitrogen and total phosphorus content were measured, COD reduction rate, ammonia nitrogen degradation rate and phosphorus removal rate were calculated, and the results are shown in Table 2.
CODcrThe determination adopts a GB/T11914-1989 method, the ammonia nitrogen determination adopts a GB/T7479-1987 method, the total phosphorus determination adopts a GB/T11893-1989 method, and the algae inhibition rate is the algae cell death rate.
Table 2 water body index after treatment of compound microecological preparation formula 1
Figure BDA0002343472830000041
Example 4
A composite microecological preparation for treating black and odorous water comprises the following components: the concentration of the compound microorganism is 70mL and is 107~1010In the range of cfu/mL, 10g of enzyme, 3g of biosurfactant and 5g of microbial source algistat are added with water to 100 mL; the solvent of the compound microorganism is a culture medium of each bacterium forming the compound microorganism, the compound microorganism is composed of bacillus subtilis, rhodopseudomonas palustris, Angel saccharomycetes, lactic acid bacteria, actinomycetes, bacillus megaterium and rhodococcus fermentation liquor according to the volume ratio of 1:1:1:1:1:1, wherein the enzyme is a composition of pectinase and cellulase according to the mass ratio of 1:1, the activity of the pectinase is 50000U/g, and the activity of the cellulase is 50000U/g.
The used black and odorous water body is a water body of a certain pit in the jin nan district of Tianjin city, the composite microecological preparation for black and odorous water body treatment is adopted, the using amount is 0.1L/ton of water, the sense, smell and harmful algae conditions of the water body are recorded, the COD, ammonia nitrogen and total phosphorus content of the water body are measured, the COD reduction rate, the ammonia nitrogen degradation rate and the phosphorus removal rate are calculated, and the results are shown in Table 3.
CODcrThe determination adopts a GB/T11914-1989 method, the ammonia nitrogen determination adopts a GB/T7479-1987 method, the total phosphorus determination adopts a GB/T11893-1989 method, and the algae inhibition rate is the algae cell death rate.
Table 3 water body index after treatment of compound microecological agent formula 1
Figure BDA0002343472830000042
The treatment effect of the compound microorganism on the black and odorous water body of the water body of a pit and a pond in the Tianjin south of Tianjin is slightly better than that of the example 4 by using the compound microorganism which consists of bacillus subtilis, rhodopseudomonas palustris, Angel saccharomycetes, lactic acid bacteria, actinomycetes, bacillus megaterium and rhodococcus fermentation liquor according to the volume ratio of 2:2:1:2:2:2:2, replacing the bacteria in the example 4 and comprising 1:1:1:1:1:1:1, and the other examples are the same as the example 4.

Claims (8)

1. A composite microecological preparation for treating black and odorous water is characterized by comprising the following components in proportion: the concentration of the compound microorganism is 50-70 mL and is 107~1010In the cfu/mL range, 10-15 g of enzyme, 3-8 g of biosurfactant, 5-10 g of microbial source algistat and 100mL of water are added;
the biosurfactant is prepared by the method of Chinese patent No. 201510403950.3;
the microbial source algistat is prepared by a method of Chinese patent No. 201811607964.7.
2. The complex microbial ecological agent according to claim 1, wherein the complex microbial comprises
The volume ratio of (1-2): (1-2): 1-2), bacillus subtilis fermentation liquor, rhodopseudomonas palustris fermentation liquor, Angel saccharomycete fermentation liquor, lactobacillus fermentation liquor and actinomycete fermentation liquor.
3. The composite microecological preparation according to claim 2, wherein the composite microorganism further comprises a Bacillus megaterium fermentation broth, wherein the volume of the Bacillus megaterium fermentation broth is 1-2 times the volume of the Angel yeast fermentation broth.
4. The composite microecological preparation according to claim 3, wherein the composite microorganism further comprises Rhodococcus fermentation broth, wherein the volume of the Rhodococcus fermentation broth is 1-2 times that of Angel yeast fermentation broth.
5. The composite microecological preparation according to claim 3, wherein the enzyme is pectinase, or a combination of pectinase and cellulase.
6. The composite microecological preparation according to claim 3, wherein the mass ratio of the pectinase to the cellulase in the composition is 1: 1.
7. The complex microecological formulation according to claim 5 or 6, wherein the pectinase activity is 50000U/g;
8. the complex microecological formulation according to claim 5 or 6, wherein the cellulase activities are each 50000U/g.
CN201911385422.4A 2019-12-28 2019-12-28 Composite microecological preparation for treating black and odorous water body Pending CN111072156A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911385422.4A CN111072156A (en) 2019-12-28 2019-12-28 Composite microecological preparation for treating black and odorous water body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911385422.4A CN111072156A (en) 2019-12-28 2019-12-28 Composite microecological preparation for treating black and odorous water body

Publications (1)

Publication Number Publication Date
CN111072156A true CN111072156A (en) 2020-04-28

Family

ID=70319139

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911385422.4A Pending CN111072156A (en) 2019-12-28 2019-12-28 Composite microecological preparation for treating black and odorous water body

Country Status (1)

Country Link
CN (1) CN111072156A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112690285A (en) * 2021-03-25 2021-04-23 山东中加环境科技有限公司 Rapid repairing agent for black and odorous water body and preparation method
CN114920363A (en) * 2022-05-13 2022-08-19 中国一冶集团有限公司 Novel biological enzyme algaecide for river water treatment and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104988182A (en) * 2015-07-10 2015-10-21 国家***天津海水淡化与综合利用研究所 A preparation method for surfactant produced from rhodococcus
CN106745828A (en) * 2017-03-17 2017-05-31 中国科学院武汉岩土力学研究所 A kind of broad-spectrum biological preparation administered for black and odorous water and its application method
CN108102955A (en) * 2017-12-18 2018-06-01 北京桑德环境工程有限公司 Effectively compound microbial inoculant administered for black and odorous water and preparation method thereof
CN109110912A (en) * 2018-09-27 2019-01-01 河北建设集团安装工程有限公司 A kind of dirt collecting pit pool black and odorous water administering method
CN109609405A (en) * 2018-12-27 2019-04-12 国家***天津海水淡化与综合利用研究所 Produce bacillus and the purposes of algistatic activity substance
CN110438046A (en) * 2019-08-21 2019-11-12 江西清瀞自然环境科技有限公司 Compound micro-ecological preparation and preparation method thereof for the black smelly water harnessing of river swag

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104988182A (en) * 2015-07-10 2015-10-21 国家***天津海水淡化与综合利用研究所 A preparation method for surfactant produced from rhodococcus
CN106745828A (en) * 2017-03-17 2017-05-31 中国科学院武汉岩土力学研究所 A kind of broad-spectrum biological preparation administered for black and odorous water and its application method
CN108102955A (en) * 2017-12-18 2018-06-01 北京桑德环境工程有限公司 Effectively compound microbial inoculant administered for black and odorous water and preparation method thereof
CN109110912A (en) * 2018-09-27 2019-01-01 河北建设集团安装工程有限公司 A kind of dirt collecting pit pool black and odorous water administering method
CN109609405A (en) * 2018-12-27 2019-04-12 国家***天津海水淡化与综合利用研究所 Produce bacillus and the purposes of algistatic activity substance
CN110438046A (en) * 2019-08-21 2019-11-12 江西清瀞自然环境科技有限公司 Compound micro-ecological preparation and preparation method thereof for the black smelly water harnessing of river swag

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
唐玉斌: "《水污染控制工程》", 31 July 2006, 哈尔滨工业大学出版社 *
朱喜等: "《河湖生态环境治理调研与案例》", 28 February 2018, 黄河水利出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112690285A (en) * 2021-03-25 2021-04-23 山东中加环境科技有限公司 Rapid repairing agent for black and odorous water body and preparation method
CN114920363A (en) * 2022-05-13 2022-08-19 中国一冶集团有限公司 Novel biological enzyme algaecide for river water treatment and preparation method thereof

Similar Documents

Publication Publication Date Title
CN111088179B (en) Compound microbial agent for ecological restoration and preparation method thereof
CN106635861B (en) A kind of de- COD denitrification microorganism microbial inoculum of salt tolerant and preparation method thereof
CN110217895B (en) Compound microbial agent for water environment treatment and application thereof
WO2017028151A1 (en) Bacterial agent for effectively degrading analine and preparation method and application thereof
CN106635927B (en) Composite microbial inoculum for treating sludge and sludge treatment method thereof
CN106011039B (en) One plant degradation terramycin amino bacillus and its application
CN111705018B (en) Yellow river halomonas capable of degrading organic matters and full salt in high-salinity wastewater and application thereof
CN104178433A (en) Compound microbial preparation for treating urban river water pollution and preparation method of compound microbial preparation
CN104152377A (en) Heavy-metal-tolerant aerobic denitrification strain and application thereof
CN106834184B (en) Composite flora and application thereof in Cr (VI) polluted soil remediation
CN111072156A (en) Composite microecological preparation for treating black and odorous water body
CN110656071B (en) Paracoccus huilkii for efficiently degrading DMF (dimethyl formamide) and application thereof
CN107760625B (en) Compound microbial agent for treating river water with different pollution degrees
CN113957004B (en) Flavobacterium aureum and application thereof in preparation of halophyte epiphyte repair maintenance microbial inoculum
CN104371939B (en) The culture medium of compound bacteria and its application used in a kind of culture Treatment of Wastewater in Coking
CN109609407B (en) Thermophilic microorganism strain for in-situ sludge reduction and application thereof
CN103232960B (en) Oil-degrading composite bacterium and microbial inoculum applied to high salt environment
CN103897997B (en) A kind of bio-synergistic microbial inoculum and application thereof
CN105154350B (en) A kind of salt tolerant denitrification compound bacteria agent and its preparation method and application
CN111286478A (en) Grease degradation composite bacterial agent and preparation method and application thereof
CN112159060A (en) Microorganism-combined plant-type composite deodorant for black-odor rivers and preparation method thereof
CN114164156B (en) Pseudomonas putida strain, microbial agent and method for removing benzene in degradation environment
CN114262679B (en) Autotrophic denitrifying bacteria and rapid expanding culture process thereof
CN103381418B (en) Method for processing tobacco waste or organic fluorine wastewater
CN106399200B (en) Alcaligenes and application thereof in high-salt high-polymer wastewater

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination