CN113816503A - Composite microbial agent for domestic sewage microbial treatment - Google Patents
Composite microbial agent for domestic sewage microbial treatment Download PDFInfo
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- CN113816503A CN113816503A CN202111208280.1A CN202111208280A CN113816503A CN 113816503 A CN113816503 A CN 113816503A CN 202111208280 A CN202111208280 A CN 202111208280A CN 113816503 A CN113816503 A CN 113816503A
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- domestic sewage
- bacteria
- microbial inoculum
- culture medium
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- 239000010865 sewage Substances 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 230000000813 microbial effect Effects 0.000 title description 5
- 241000894006 Bacteria Species 0.000 claims abstract description 21
- 239000002068 microbial inoculum Substances 0.000 claims abstract description 19
- 239000001963 growth medium Substances 0.000 claims abstract description 17
- 244000005700 microbiome Species 0.000 claims abstract description 13
- 235000015097 nutrients Nutrition 0.000 claims abstract description 7
- 230000000593 degrading effect Effects 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 230000001580 bacterial effect Effects 0.000 claims description 4
- 241000187747 Streptomyces Species 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 241000235395 Mucor Species 0.000 claims description 2
- 244000052616 bacterial pathogen Species 0.000 claims description 2
- 230000002906 microbiologic effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 239000011574 phosphorus Substances 0.000 abstract description 3
- 239000000084 colloidal system Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- 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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- 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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a composite microbial inoculum for treating domestic sewage microorganisms, which comprises mixed strains and a culture medium and is characterized in that: the mixed strain comprises flocculant producing bacteria, domestic sewage nutrient component degrading bacteria and aerobic denitrifying bacteria C, wherein the flocculant producing bacteria comprise A1 and A2, the domestic sewage nutrient component degrading bacteria comprise B1, B2, B3, B4, B5 and B6, the mixed strain consists of the following raw material bacteria in parts by weight, A1: 5-10 parts of A2: 5-10 parts of B1: 5-12 parts, B2: 3-10 parts, B3: 10-20 parts, B4: 6-10 parts of B5: 10-15 parts, B6: 4-8 parts of C: 3-5 parts. The flocculant of the invention reduces suspended matters and colloids in domestic sewage, increases the removal rate of COD, and can significantly improve the removal rates of COD, BOD, TOC, ammonia nitrogen, total phosphorus, chromaticity, turbidity and refractory substances, and the effluent is colorless, foamless, clear and transparent.
Description
Technical Field
The invention relates to the technical field of domestic sewage treatment, in particular to a compound microbial inoculum for domestic sewage microbial treatment.
Background
Domestic sewage contains a large amount of organic matters, suspended solids, nutrient substances and pathogens, and easily causes eutrophication of water bodies and endangers human health. Along with the development of social economy and rapid increase of population quantity in China, the discharge amount of domestic sewage is increased sharply, and the percentage of the total amount of the sewage discharge is increased year by year. Domestic sewage treatment has become the key point of water pollution treatment in China. In recent years, biological technology is widely applied to environmental pollution treatment, wherein biological treatment is a main method for treating sewage, and the biological treatment can realize the advantages of large treatment capacity, low cost, no secondary pollution and the like. The microbial inoculum for sewage treatment mainly considers the degradation performance of strains and the flocculation of microorganisms.
Disclosure of Invention
The invention aims to provide a composite microbial inoculum for treating domestic sewage microorganisms, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a domestic sewage microbiological treatment composite bacterial agent, includes mixed bacterial and culture medium, its characterized in that: the mixed strain comprises flocculant producing bacteria, domestic sewage nutrient component degrading bacteria and aerobic denitrifying bacteria C, wherein the flocculant producing bacteria comprise A1 and A2, the domestic sewage nutrient component degrading bacteria comprise B1, B2, B3, B4, B5 and B6, the mixed strain consists of the following raw material bacteria in parts by weight, A1: 5-10 parts of A2: 5-10 parts of B1: 5-12 parts, B2: 3-10 parts, B3: 10-20 parts, B4: 6-10 parts of B5: 10-15 parts, B6: 4-8 parts of C: 3-5 parts.
Preferably, the culture medium is a simulated domestic sewage culture medium, and the culture conditions are that the initial pH value is 6, the culture temperature is 35 ℃, and the rotating speed of a shaking table is 80 r/min.
Preferably, the effective period of the mixed strain is 30 days.
Preferably, the weight ratio of the mixed strain to the culture medium is 1: 5.
Preferably, the A1, the A2, the B5 and the B6 are bacilli, the B1 and the B2 are mucor, and the B3 and the B4 are streptomyces.
Compared with the prior art, the invention has the beneficial effects that:
the flocculant of the invention reduces suspended matters and colloids in domestic sewage, increases the removal rate of COD, and can significantly improve the removal rates of COD, BOD, TOC, ammonia nitrogen, total phosphorus, chromaticity, turbidity and refractory substances, and the effluent is colorless, foamless, clear and transparent.
Drawings
FIG. 1 is a comparative example of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the composite microbial inoculum for treating the domestic sewage microorganisms comprises a mixed strain and a culture medium, wherein the mixed strain consists of the following raw material bacteria in parts by weight, A1: 6 parts, A2: 9 parts, B1: 8 parts, B2: 5 parts, B3: 14 parts, B4: 8 parts, B5: 13 parts, B6: 4 parts and C: 3 parts, culture medium: 350 parts of (A).
The preparation method of the composite microbial inoculum for treating the domestic sewage microorganisms comprises the following steps: mixing the mixed strain and the culture medium according to a preset weight ratio, uniformly stirring by using a shaking table at a rotating speed of 80r/min, standing for 3 hours, and then keeping the temperature at 35 ℃ to obtain the domestic sewage treatment mixed microbial inoculum.
Example 2:
the composite microbial inoculum for treating the domestic sewage microorganisms comprises a mixed strain and a culture medium, wherein the mixed strain consists of the following raw material bacteria in parts by weight, A1: 7 parts, A2: 10 parts, B1: 6 parts, B2: 8 parts, B3: 16 parts, B4: 6 parts, B5: 11 parts, B6: 7 parts and C: 4 parts, medium: 375 parts of (A).
The preparation method of the composite microbial inoculum for treating the domestic sewage microorganisms comprises the following steps: mixing the mixed strain and the culture medium according to a preset weight ratio, uniformly stirring by using a shaking table at a rotating speed of 80r/min, standing for 3 hours, and then keeping the temperature at 35 ℃ to obtain the domestic sewage treatment mixed microbial inoculum.
Example 3:
the composite microbial inoculum for treating the domestic sewage microorganisms comprises a mixed strain and a culture medium, wherein the mixed strain consists of the following raw material bacteria in parts by weight, A1: 8 parts, A2: 5 parts, B1: 7 parts, B2: 6 parts, B3: 11 parts, B4: 7 parts, B5: 12 parts, B6: 6 parts and C: 5 parts, culture medium: 335 parts.
The preparation method of the composite microbial inoculum for treating the domestic sewage microorganisms comprises the following steps: mixing the mixed strain and the culture medium according to a preset weight ratio, uniformly stirring by using a shaking table at a rotating speed of 80r/min, standing for 3 hours, and then keeping the temperature at 35 ℃ to obtain the domestic sewage treatment mixed microbial inoculum.
And (3) effect testing:
the usage amount of the composite microbial inoculum in sewage is 10g/m3The test result is shown in figure 1, and the test comparison shows that the effect of adding the composite microbial inoculum on the removal rate of COD, BOD, TOC, ammonia nitrogen, total phosphorus, chromaticity, turbidity and refractory substances is more obvious than that of samples which are not added.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a domestic sewage microbiological treatment composite bacterial agent, includes mixed bacterial and culture medium, its characterized in that: the mixed strain comprises flocculant producing bacteria, domestic sewage nutrient component degrading bacteria and aerobic denitrifying bacteria C, wherein the flocculant producing bacteria comprise A1 and A2, the domestic sewage nutrient component degrading bacteria comprise B1, B2, B3, B4, B5 and B6, the mixed strain consists of the following raw material bacteria in parts by weight, A1: 5-10 parts of A2: 5-10 parts of B1: 5-12 parts, B2: 3-10 parts, B3: 10-20 parts, B4: 6-10 parts of B5: 10-15 parts, B6: 4-8 parts of C: 3-5 parts.
2. The composite microbial inoculum for treating domestic sewage microorganisms according to claim 1, which is characterized in that: the culture medium is a simulated domestic sewage culture medium, and the culture conditions are that the initial pH value is 6, the culture temperature is 35 ℃, and the rotating speed of a shaking table is 80 r/min.
3. The composite microbial inoculum for treating domestic sewage microorganisms according to claim 1, which is characterized in that: the effective period of the mixed strain is 30 days.
4. The composite microbial inoculum for treating domestic sewage microorganisms according to claim 1, which is characterized in that: the weight ratio of the mixed strain to the culture medium is 1: 5.
5. The composite microbial inoculum for treating domestic sewage microorganisms according to claim 1, which is characterized in that: the A1, the A2, the B5 and the B6 are bacilli, the B1 and the B2 are mucor, and the B3 and the B4 streptomyces are streptomyces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111208280.1A CN113816503A (en) | 2021-10-18 | 2021-10-18 | Composite microbial agent for domestic sewage microbial treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111208280.1A CN113816503A (en) | 2021-10-18 | 2021-10-18 | Composite microbial agent for domestic sewage microbial treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113816503A true CN113816503A (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111208280.1A Pending CN113816503A (en) | 2021-10-18 | 2021-10-18 | Composite microbial agent for domestic sewage microbial treatment |
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| Country | Link |
|---|---|
| CN (1) | CN113816503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373344A (en) * | 2019-04-29 | 2019-10-25 | 广西科学院 | Carp streptomycete and its application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10313853A (en) * | 1997-03-19 | 1998-12-02 | Yuji Mae | Microorganism-containing semifluid composition, microbial agent and usage thereof |
| CN101037655A (en) * | 2006-11-29 | 2007-09-19 | 金明记 | High-effective microorganism complex agent and method of using the same for treating city sewage |
| CN108624541A (en) * | 2018-06-28 | 2018-10-09 | 绍兴市海清环保科技有限公司 | A kind of denitrification mix bacterium agent for textile industry Industrial Waste Water Treatments |
| CN113151010A (en) * | 2021-05-07 | 2021-07-23 | 马东兵 | Microbial compound bacterium preparation and preparation method thereof |
-
2021
- 2021-10-18 CN CN202111208280.1A patent/CN113816503A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10313853A (en) * | 1997-03-19 | 1998-12-02 | Yuji Mae | Microorganism-containing semifluid composition, microbial agent and usage thereof |
| CN101037655A (en) * | 2006-11-29 | 2007-09-19 | 金明记 | High-effective microorganism complex agent and method of using the same for treating city sewage |
| CN108624541A (en) * | 2018-06-28 | 2018-10-09 | 绍兴市海清环保科技有限公司 | A kind of denitrification mix bacterium agent for textile industry Industrial Waste Water Treatments |
| CN113151010A (en) * | 2021-05-07 | 2021-07-23 | 马东兵 | Microbial compound bacterium preparation and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 徐志毅: "《环境保护技术和设备》", 31 December 1999, 上海交通大学出版社 * |
| 沈德中: "《环境和资源微生物学》", 31 August 2003, 中国环境科学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373344A (en) * | 2019-04-29 | 2019-10-25 | 广西科学院 | Carp streptomycete and its application |
| CN110373344B (en) * | 2019-04-29 | 2022-07-29 | 广西科学院 | Streptomyces carpio and application thereof |
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Application publication date: 20211221 |