CN111072156A - Composite microecological preparation for treating black and odorous water body - Google Patents
Composite microecological preparation for treating black and odorous water body Download PDFInfo
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- 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
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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
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes 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
- C02F3/347—Use of yeasts or fungi
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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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- 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
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
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- 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
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
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
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
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.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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Cited By (2)
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 |
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