CN114275907A - External carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment and preparation method thereof - Google Patents
External carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment and preparation method thereof Download PDFInfo
- Publication number
- CN114275907A CN114275907A CN202111568495.4A CN202111568495A CN114275907A CN 114275907 A CN114275907 A CN 114275907A CN 202111568495 A CN202111568495 A CN 202111568495A CN 114275907 A CN114275907 A CN 114275907A
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- Prior art keywords
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- carbon source
- sewage treatment
- denitrifying bacteria
- proliferation
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 55
- 241000894006 Bacteria Species 0.000 title claims abstract description 46
- 239000010865 sewage Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 230000035755 proliferation Effects 0.000 title claims abstract description 21
- 230000001737 promoting effect Effects 0.000 title claims abstract description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000010902 straw Substances 0.000 claims abstract description 35
- 240000008042 Zea mays Species 0.000 claims abstract description 31
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 22
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims abstract description 12
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims abstract description 12
- 150000001413 amino acids Chemical class 0.000 claims abstract description 12
- 239000008103 glucose Substances 0.000 claims abstract description 12
- 239000001632 sodium acetate Substances 0.000 claims abstract description 12
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 12
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 28
- 235000005822 corn Nutrition 0.000 claims description 28
- 238000000855 fermentation Methods 0.000 claims description 16
- 230000004151 fermentation Effects 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 15
- 235000010855 food raising agent Nutrition 0.000 claims description 11
- 239000002455 scale inhibitor Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 5
- JSYPRLVDJYQMAI-ODZAUARKSA-N (z)-but-2-enedioic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)\C=C/C(O)=O JSYPRLVDJYQMAI-ODZAUARKSA-N 0.000 claims description 2
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920001529 polyepoxysuccinic acid Polymers 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 235000016709 nutrition Nutrition 0.000 abstract description 4
- 230000035764 nutrition Effects 0.000 abstract description 4
- 230000001988 toxicity Effects 0.000 abstract description 4
- 231100000419 toxicity Toxicity 0.000 abstract description 4
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 206010020718 hyperplasia Diseases 0.000 abstract description 3
- 235000009973 maize Nutrition 0.000 abstract description 3
- 244000005700 microbiome Species 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000006143 cell culture medium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Treatment Of Biological Wastes In General (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to the technical field of preparation of an external carbon source in sewage treatment, and discloses an external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment, which comprises the following raw materials in parts by weight: 10-40 parts of acetic acid, 8-16 parts of sodium acetate, 20-50 parts of glucose, 10-35 parts of amino acid and 12-24 parts of biological bacteria preparation. This promote external carbon source of sewage treatment denitrifying bacteria rapid growth hyperplasia replaces methyl alcohol through acetic acid and prepares the carbon source, can accelerate the nutrition replenishment of carbon source to denitrifying bacteria, the treatment effect of denitrifying bacteria to sewage has been guaranteed, and the toxicity of carbon source has been reduced, the probability that the secondary pollution effect appears of carrying out of carbon source to the environment has been reduced, the feature of environmental protection of carbon source has been guaranteed, come to prepare the straw zymotic fluid through adopting maize straw, come to prepare the zymotic fluid through adopting common material, be convenient for draw materials, manufacturing cost is reduced, economic benefits is improved, be convenient for popularize, can satisfy different users' user demand.
Description
Technical Field
The invention relates to the technical field of denitrification carbon source production, in particular to an external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment and a preparation method thereof.
Background
Microorganisms are increasingly used in the existing sewage treatment, a large number of effective microorganism strains such as denitrifying bacteria are put into the sewage to promote the water body to quickly form a balanced ecosystem, wherein decomposer organisms, producer organisms and consumer organisms are involved in the three processes, pollutants in the sewage can be more effectively treated and utilized, the denitrifying process is a denitrification process, denitrifying bacteria can release nitrogen under the anoxic condition, only a few bacteria can perform the denitrifying action, and as the denitrifying bacteria also need to be supplied with nutrition, sufficient carbon sources are of great importance; the carbon source has the important function in the preparation of a microorganism culture medium or a cell culture medium and provides a material basis for the normal growth and division of microorganisms or cells; most of carbon sources in the prior art are prepared from methanol, and although the denitrification efficiency of the methanol is high, the toxicity of the methanol can cause secondary pollution to the environment.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an external carbon source for promoting the rapid growth and proliferation of denitrifying bacteria in sewage treatment and a preparation method thereof, and solves the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment comprises the following raw materials in parts by weight: 10-40 parts of acetic acid, 8-16 parts of sodium acetate, 20-50 parts of glucose, 10-35 parts of amino acid and 12-24 parts of biological bacteria preparation.
Preferably, the feed comprises the following raw materials in parts by weight: 12 parts of acetic acid, 13 parts of sodium acetate, 23 parts of glucose, 30 parts of amino acid, 15 parts of biological bacteria preparation, 20 parts of straw leavening agent and 3 parts of scale inhibitor.
Further, the feed comprises the following raw materials in parts by weight: 15 parts of acetic acid, 12 parts of sodium acetate, 26 parts of glucose, 28 parts of amino acid, 18 parts of biological bacteria preparation, 30 parts of straw leavening agent and 5 parts of scale inhibitor.
Furthermore, the feed comprises the following raw materials in parts by weight: 18 parts of acetic acid, 15 parts of sodium acetate, 28 parts of glucose, 25 parts of amino acid, 17 parts of biological bacteria preparation, 22 parts of straw leavening agent and 4 parts of scale inhibitor.
On the basis of the scheme, the straw leavening agent is prepared by crushing and fermenting dried corn straws.
As a further aspect of the present invention, the scale inhibitor is a mixture of a maleic acid-acrylic acid copolymer and polyepoxysuccinic acid.
In addition, the invention also aims to provide a preparation method of an external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment, which comprises the following steps:
1) placing the dried corn straws into a crusher, adjusting the crushing degree of the crusher, and crushing the corn straws by the crusher to obtain corn straw powder.
2) The corn stalk powder and water are put into a fermentation container according to the proportion of 2.5: 1, the fermentation container is heated, and the corn stalk powder and the water are stirred uniformly and fermented to obtain the stalk fermentation liquor.
3) Weighing each raw material for preparing the carbon source according to the proportion for later use.
4) And pouring the preparation raw materials into the mixing container in sequence, and uniformly mixing to obtain the carbon source.
(III) advantageous effects
Compared with the prior art, the invention provides an external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment, and the external carbon source has the following beneficial effects: this promote external carbon source of sewage treatment denitrifying bacteria rapid growth hyperplasia replaces methyl alcohol through acetic acid and prepares the carbon source, can accelerate the nutrition replenishment of carbon source to denitrifying bacteria, the treatment effect of denitrifying bacteria to sewage has been guaranteed, and the toxicity of carbon source has been reduced, the probability that the secondary pollution effect appears of carrying out of carbon source to the environment has been reduced, the feature of environmental protection of carbon source has been guaranteed, come to prepare the straw zymotic fluid through adopting maize straw, come to prepare the zymotic fluid through adopting common material, be convenient for draw materials, manufacturing cost is reduced, economic benefits is improved, be convenient for popularize, can satisfy different users' user demand.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The first embodiment is as follows:
1. the embodiment provides an external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment, which comprises the following raw materials in parts by weight: 12 parts of acetic acid, 13 parts of sodium acetate, 23 parts of glucose, 30 parts of amino acid, 15 parts of biological bacteria preparation, 20 parts of straw leavening agent and 3 parts of scale inhibitor.
2. The preparation method of the external carbon source for promoting the rapid growth and proliferation of the denitrifying bacteria for sewage treatment comprises the following steps:
1) placing the dried corn straws into a crusher, adjusting the crushing degree of the crusher, and crushing the corn straws by the crusher to obtain corn straw powder.
2) The corn stalk powder and water are put into a fermentation container according to the proportion of 2.5: 1, the fermentation container is heated, and the corn stalk powder and the water are stirred uniformly and fermented to obtain the stalk fermentation liquor.
3) Weighing each raw material for preparing the carbon source according to the proportion for later use.
4) And pouring the preparation raw materials into the mixing container in sequence, and uniformly mixing to obtain the carbon source.
Example two:
1. the embodiment provides an external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment, which comprises the following raw materials in parts by weight: 15 parts of acetic acid, 12 parts of sodium acetate, 26 parts of glucose, 28 parts of amino acid, 18 parts of biological bacteria preparation, 30 parts of straw leavening agent and 5 parts of scale inhibitor.
2. The preparation method of the external carbon source for promoting the rapid growth and proliferation of the denitrifying bacteria for sewage treatment comprises the following steps:
1) placing the dried corn straws into a crusher, adjusting the crushing degree of the crusher, and crushing the corn straws by the crusher to obtain corn straw powder.
2) The corn stalk powder and water are put into a fermentation container according to the proportion of 2.5: 1, the fermentation container is heated, and the corn stalk powder and the water are stirred uniformly and fermented to obtain the stalk fermentation liquor.
3) Weighing each raw material for preparing the carbon source according to the proportion for later use.
4) And pouring the preparation raw materials into the mixing container in sequence, and uniformly mixing to obtain the carbon source.
Example three:
1. the embodiment provides an external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment, which comprises the following raw materials in parts by weight: 18 parts of acetic acid, 15 parts of sodium acetate, 28 parts of glucose, 25 parts of amino acid, 17 parts of biological bacteria preparation, 22 parts of straw leavening agent and 4 parts of scale inhibitor.
2. The preparation method of the external carbon source for promoting the rapid growth and proliferation of the denitrifying bacteria for sewage treatment comprises the following steps:
1) placing the dried corn straws into a crusher, adjusting the crushing degree of the crusher, and crushing the corn straws by the crusher to obtain corn straw powder.
2) The corn stalk powder and water are put into a fermentation container according to the proportion of 2.5: 1, the fermentation container is heated, and the corn stalk powder and the water are stirred uniformly and fermented to obtain the stalk fermentation liquor.
3) Weighing each raw material for preparing the carbon source according to the proportion for later use.
4) And pouring the preparation raw materials into the mixing container in sequence, and uniformly mixing to obtain the carbon source.
The invention has the beneficial effects that: this promote external carbon source of sewage treatment denitrifying bacteria rapid growth hyperplasia replaces methyl alcohol through acetic acid and prepares the carbon source, can accelerate the nutrition replenishment of carbon source to denitrifying bacteria, the treatment effect of denitrifying bacteria to sewage has been guaranteed, and the toxicity of carbon source has been reduced, the probability that the secondary pollution effect appears of carrying out of carbon source to the environment has been reduced, the feature of environmental protection of carbon source has been guaranteed, come to prepare the straw zymotic fluid through adopting maize straw, come to prepare the zymotic fluid through adopting common material, be convenient for draw materials, manufacturing cost is reduced, economic benefits is improved, be convenient for popularize, can satisfy different users' user demand.
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 (7)
1. An external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment is characterized by comprising the following raw materials in parts by weight: 10-40 parts of acetic acid, 8-16 parts of sodium acetate, 20-50 parts of glucose, 10-35 parts of amino acid and 12-24 parts of biological bacteria preparation.
2. The external carbon source for promoting the rapid growth and proliferation of denitrifying bacteria for sewage treatment according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 12 parts of acetic acid, 13 parts of sodium acetate, 23 parts of glucose, 30 parts of amino acid, 15 parts of biological bacteria preparation, 20 parts of straw leavening agent and 3 parts of scale inhibitor.
3. The external carbon source for promoting the rapid growth and proliferation of denitrifying bacteria for sewage treatment according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 15 parts of acetic acid, 12 parts of sodium acetate, 26 parts of glucose, 28 parts of amino acid, 18 parts of biological bacteria preparation, 30 parts of straw leavening agent and 5 parts of scale inhibitor.
4. The external carbon source for promoting the rapid growth and proliferation of denitrifying bacteria for sewage treatment according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 18 parts of acetic acid, 15 parts of sodium acetate, 28 parts of glucose, 25 parts of amino acid, 17 parts of biological bacteria preparation, 22 parts of straw leavening agent and 4 parts of scale inhibitor.
5. The external carbon source for promoting the rapid growth and proliferation of denitrifying bacteria for sewage treatment according to any one of claims 2 to 4, wherein the straw leavening agent is prepared by crushing dried corn straws and then fermenting the crushed corn straws.
6. The external carbon source for promoting the rapid growth and proliferation of denitrifying bacteria for sewage treatment according to any of claims 2 to 4, wherein said scale inhibitor is a mixture of maleic acid-acrylic acid copolymer and polyepoxysuccinic acid.
7. A preparation method of an external carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment is characterized by comprising the following steps:
1) placing the dried corn straws into a crusher, adjusting the crushing degree of the crusher, and crushing the corn straws by the crusher to obtain corn straw powder;
2) adding corn stalk powder and water into a fermentation container according to the ratio of 2.5: 1, heating the fermentation container, and uniformly stirring the corn stalk powder and the water for fermentation to obtain stalk fermentation liquor;
3) weighing raw materials for preparing a carbon source according to a proportion for later use;
4) and pouring the preparation raw materials into the mixing container in sequence, and uniformly mixing to obtain the carbon source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111568495.4A CN114275907A (en) | 2021-12-21 | 2021-12-21 | External carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111568495.4A CN114275907A (en) | 2021-12-21 | 2021-12-21 | External carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment and preparation method thereof |
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| Publication Number | Publication Date |
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| CN114275907A true CN114275907A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111568495.4A Pending CN114275907A (en) | 2021-12-21 | 2021-12-21 | External carbon source for promoting rapid growth and proliferation of denitrifying bacteria in sewage treatment and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117247147A (en) * | 2023-11-17 | 2023-12-19 | 山东吉昌龙环境工程有限公司 | Liquid composite carbon source for sewage treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002177987A (en) * | 2000-12-13 | 2002-06-25 | Hitachi Zosen Corp | Biological nitrification and denitrification integrated equipment |
| CN111039399A (en) * | 2019-01-09 | 2020-04-21 | 深圳市长隆科技有限公司 | Formula and preparation method of composite carbon source for sewage denitrification |
| CN111233142A (en) * | 2020-03-03 | 2020-06-05 | 深圳市长隆科技有限公司 | High-efficiency composite carbon source suitable for low-temperature conditions in northern winter and preparation method thereof |
| CN112340858A (en) * | 2020-11-10 | 2021-02-09 | 江苏蓝必盛化工环保股份有限公司 | Efficient composite carbon source for denitrification treatment of wastewater with low carbon-nitrogen ratio and preparation method thereof |
| CN112390379A (en) * | 2020-11-16 | 2021-02-23 | 神美科技有限公司 | Denitrification carbon source for sewage treatment and preparation method thereof |
| CN113149203A (en) * | 2021-03-24 | 2021-07-23 | 深圳市长隆科技有限公司 | Application and preparation method of novel high-universality high-efficiency composite carbon source |
| CN113788537A (en) * | 2021-09-07 | 2021-12-14 | 南京苏楻生物科技有限公司 | Low-C/N-ratio sewage biological denitrification composite carbon source and preparation method thereof |
-
2021
- 2021-12-21 CN CN202111568495.4A patent/CN114275907A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002177987A (en) * | 2000-12-13 | 2002-06-25 | Hitachi Zosen Corp | Biological nitrification and denitrification integrated equipment |
| CN111039399A (en) * | 2019-01-09 | 2020-04-21 | 深圳市长隆科技有限公司 | Formula and preparation method of composite carbon source for sewage denitrification |
| CN111233142A (en) * | 2020-03-03 | 2020-06-05 | 深圳市长隆科技有限公司 | High-efficiency composite carbon source suitable for low-temperature conditions in northern winter and preparation method thereof |
| CN112340858A (en) * | 2020-11-10 | 2021-02-09 | 江苏蓝必盛化工环保股份有限公司 | Efficient composite carbon source for denitrification treatment of wastewater with low carbon-nitrogen ratio and preparation method thereof |
| CN112390379A (en) * | 2020-11-16 | 2021-02-23 | 神美科技有限公司 | Denitrification carbon source for sewage treatment and preparation method thereof |
| CN113149203A (en) * | 2021-03-24 | 2021-07-23 | 深圳市长隆科技有限公司 | Application and preparation method of novel high-universality high-efficiency composite carbon source |
| CN113788537A (en) * | 2021-09-07 | 2021-12-14 | 南京苏楻生物科技有限公司 | Low-C/N-ratio sewage biological denitrification composite carbon source and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117247147A (en) * | 2023-11-17 | 2023-12-19 | 山东吉昌龙环境工程有限公司 | Liquid composite carbon source for sewage treatment |
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