CN112093914A - Biological water treatment agent and preparation method thereof - Google Patents

Biological water treatment agent and preparation method thereof Download PDF

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Publication number
CN112093914A
CN112093914A CN202010926460.2A CN202010926460A CN112093914A CN 112093914 A CN112093914 A CN 112093914A CN 202010926460 A CN202010926460 A CN 202010926460A CN 112093914 A CN112093914 A CN 112093914A
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parts
water treatment
treatment agent
biological water
cellulose
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尹永明
周春松
葛东方
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Yixing Yongjie Environmental Protection Equipment Co ltd
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Yixing Yongjie Environmental Protection Equipment Co ltd
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    • 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
    • C02F3/347Use of yeasts or fungi
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/14Fungi; Culture media therefor
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20Bacteria; Culture media therefor

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Hydrology & Water Resources (AREA)
  • Virology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Mycology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Botany (AREA)
  • Fertilizers (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

The invention discloses a biological water treatment agent, which is characterized by comprising the following components: composite microbial agent, cellulose, straw powder, coffee grounds and medical stone; wherein, the compound microbial inoculum comprises: aspergillus sojae, Bacillus licheniformis, Geotrichum candidum, and Pseudomonas fluorescens. The biological water treatment agent provided by the application has good water treatment capacity, wide application range and lower production cost.

Description

Biological water treatment agent and preparation method thereof
Technical Field
The invention relates to the field of water treatment, in particular to a biological water treatment agent and a preparation method thereof.
Background
Water pollution is a worldwide environmental problem. In recent years, efforts have been made to protect the environment. However, the ecological pollution and the prevention and treatment of various types of river channels are still not optimistic, water eutrophication and a large amount of nutrient substances such as nitrogen, phosphorus and the like flow into the mouths of lakes and river channels, which causes rapid propagation of algae and other plankton, decrease of dissolved oxygen in the water, deterioration of water quality, death of a large amount of fish and other organisms, formation of water bloom and generation of unpleasant smell. Meanwhile, the method has negative effects on the local economic development and the construction of the ecological environment in the area, and needs to be treated urgently. With the enhancement of environmental awareness, ecological conception and the improvement of living standard, the requirement of repairing seriously damaged river ecosystem is more and more urgent.
The traditional water treatment agent generally refers to various chemical coagulation flocculants used in water treatment, and can be divided into inorganic coagulation flocculants and organic coagulation flocculants. Common chemical coagulation flocculants include: polyaluminium oxide (PAC, polyaluminium, basic aluminium chloride), aluminium sulphate, polyferric sulphate (EPS, polyferric, iron comb), ferric trioxide, ferrous sulphate (copperas, jarosites) and the like. The defects of the chemical coagulation flocculating agent are as follows: large dosage of medicament, high growth and operation cost, slow condensation speed, much sludge growth, difficult dehydration, low oxygen content in the sludge, more odor to form secondary pollution, insufficient oxygen content in treated water and the like.
The microbial flocculant is a metabolite produced by microbes or secretion thereof, is obtained by fermenting, extracting and refining microbes such as bacteria, fungi and the like by using a microbial technology, and is a high-efficiency, non-toxic and secondary-pollution-free water treatment agent with biodegradability and safety.
The inventor of the application finds that the existing biological water treatment agent has different limitations, such as poor applicability and can only aim at specific toxic wastewater or high-concentration wastewater with single component; some of these bacteria are too costly to produce, such as nitrifying bacteria; in particular, some biological water treatment agents have limited composite degradation capability and poor persistence, and often require addition, thereby increasing the cost.
Disclosure of Invention
The invention aims to provide a biological water treatment agent and a preparation method thereof, and the biological water treatment agent has good water treatment capacity, wide application range and lower production cost.
In order to achieve the purpose, the invention adopts the following technical scheme: provided is a biological water treatment agent comprising:
composite microbial agent, cellulose, straw powder, coffee grounds and medical stone;
wherein, the compound microbial inoculum comprises: aspergillus sojae (Aspergillus sojae), Bacillus licheniformis (Bacillus licheniformis), Geotrichum candidum (Geotrichum candidum Link), Pseudomonas fluorescens (Pseudomonas fluorescens Miguela).
Preferably, the biological water treatment agent comprises the following components in parts by weight:
0.5-0.8 part of composite microbial agent, 5-10 parts of cellulose, 15-40 parts of straw powder, 12-25 parts of coffee grounds and 30-55 parts of medical stone.
Preferably, in the above technical scheme, the complex microbial agent comprises the following components in parts by mass:
10-25 parts of aspergillus sojae, 22-36 parts of bacillus licheniformis, 12-19 parts of geotrichum candidum and 10-25 parts of pseudomonas fluorescens.
Preferably, the technical scheme comprises the following components in parts by weight:
0.7 part of composite microbial agent, 7 parts of cellulose, 20 parts of straw powder, 16 parts of coffee grounds and 45 parts of medical stone;
wherein, the compound microbial inoculum comprises: 15 parts of aspergillus sojae, 30 parts of bacillus licheniformis, 17 parts of geotrichum candidum and 20 parts of fluorescent pseudomonas.
As the technical scheme is preferable, the cellulose is one or a mixture of more of carboxyl-C1-C3-alkyl cellulose, carboxyl-C1-C3-alkyl hydroxyl-C1-C3-alkyl cellulose, C1-C3-alkyl cellulose, C1-C3-alkyl hydroxyl-C1-3-alkyl cellulose, hydroxyl-C1-3-alkyl cellulose, mixed hydroxyl-C1-C3-alkyl cellulose or microcrystalline cellulose.
Preferably, the particle size of the medical stone is 100-250 mu m.
Preferably, the water content in the straw powder is not higher than 10%; the water content of the coffee grounds is not higher than 10%.
The invention also provides a preparation method of the biological water treatment agent, which comprises the following steps:
s1: soaking straw powder and coffee grounds in alkaline solution for 24-36h, washing to neutrality, drying, and adding CaCl2Soaking the mixture in the solution for a period of time, drying and calcining the mixture to obtain a carbonized mixture;
s2: and adding the compound microbial agent, cellulose, medical stone and carbonized mixture into water, uniformly stirring, granulating and drying to obtain the biological water treatment agent.
Preferably, in the above technical solution, the CaCl in the step S1 is2The soaking time in the solution is 12-24 h.
Preferably, in the step S2, the drying temperature is 40-50 ℃ and the drying time is 1-2 h.
The present invention has the following advantageous effects in that,
in contrast to the state of the art, the present application provides a biological water treatment agent comprising: composite microbial agent, cellulose, straw powder, coffee grounds and medical stone; wherein, the compound microbial inoculum comprises: aspergillus sojae, Bacillus licheniformis, Geotrichum candidum, and Pseudomonas fluorescens. Wherein the compound microbial agent comprises: aerobic bacteria, facultative anaerobes and anaerobic bacteria, wherein the aerobic bacteria and the facultative anaerobes utilize free oxygen in the water body and are favorable for the growth and the propagation of the anaerobic bacteria. Therefore, the compound microbial agent used in the application can be applied to various water quality environments and has a wide application range.
Cations in the medical stone can exchange with heavy metal cations in water, and the medical stone absorbs the heavy metal cations in the water through ion exchange. The cellulose has strong adhesive property, does not contain harmful elements and does not cause harm to microorganisms. The application utilizes the cellulose as the adhesive to bond the microorganism bacteria and other materials together, so that the prepared biological water is not easy to disperse, and the biological water treatment agent has the characteristics of high stability, large number of effective viable bacteria, less input amount and the like.
Detailed Description
In order to better understand the present invention, the following examples further illustrate the invention, the examples are only used for explaining the invention, not to constitute any limitation of the invention.
The application provides a biological water treatment agent, comprising: 0.5-0.8 part of composite microbial agent, 5-10 parts of cellulose, 15-40 parts of straw powder, 12-25 parts of coffee grounds and 30-55 parts of medical stone; wherein, the compound microbial inoculum comprises: 10-25 parts of aspergillus sojae (aspergillus sojae), 22-36 parts of Bacillus licheniformis (Bacillus licheniformis), 12-19 parts of Geotrichum candidum Link and 10-25 parts of Pseudomonas fluorescens (Pseudomonas fluorescens Migula).
Preferably, the technical scheme comprises the following components in parts by weight:
0.7 part of composite microbial agent, 7 parts of cellulose, 20 parts of straw powder, 16 parts of coffee grounds and 45 parts of medical stone;
wherein, the compound microbial inoculum comprises: 15 parts of aspergillus sojae, 30 parts of bacillus licheniformis, 17 parts of geotrichum candidum and 20 parts of fluorescent pseudomonas.
As preferred in the above technical solution, the cellulose is a carboxy-C1-C3-alkylcellulose, such as carboxymethylcellulose; carboxy-C1-C3-alkylhydroxy-C1-C3-alkylcelluloses, such as carboxymethylhydroxyethylcellulose; C1-C3-alkylcelluloses, such as methylcellulose; C1-C3-alkylhydroxy-C1-3-alkylcelluloses, such as hydroxyethylmethylcellulose, hydroxypropylmethylcellulose or ethylhydroxyethylcellulose; hydroxy-C1-3-alkylcelluloses, such as hydroxyethylcellulose or hydroxypropylcellulose; mixed hydroxy-C1-C3-alkylcelluloses, such as hydroxyethylhydroxypropylcellulose, or alkoxyhydroxyethylhydroxypropylcellulose; or a mixture of one or more of microcrystalline cellulose.
The particle size of the medical stone is 100-250 mu m; the water content in the straw powder is not higher than 10%; the water content of the coffee grounds is not higher than 10%.
The invention also provides a preparation method of the biological water treatment agent, which comprises the following steps:
s1: soaking straw powder and coffee grounds in alkaline solution for 24-36h, and washingDrying until neutral, then adding CaCl2Soaking the mixture in the solution for 12-24h, drying, and calcining to obtain a carbonized mixture;
s2: adding the compound microbial agent, cellulose, medical stone and carbonized mixture into water, uniformly stirring, granulating, and drying at 40-50 ℃ for 1-2h to obtain the biological water treatment agent.
Example 1
A biological water treatment agent comprising: 0.5 part of composite microbial agent, 5 parts of cellulose, 15 parts of straw powder, 12 parts of coffee grounds and 30 parts of medical stone; wherein, the compound microbial inoculum comprises: 10 parts of aspergillus sojae, 22 parts of bacillus licheniformis, 12 parts of geotrichum candidum and 10 parts of fluorescent pseudomonas.
The preparation method of the biological water treatment agent comprises the following steps:
s1: soaking straw powder and coffee grounds in alkaline solution for 24h, washing to neutrality, drying, and adding CaCl2Soaking the mixture in the solution for 12h, drying, and calcining to obtain a carbonized mixture;
s2: and adding the compound microbial agent, the cellulose, the medical stone and the carbonized mixture into water, uniformly stirring, and granulating at the drying temperature of 40 ℃ for 1h to obtain the biological water treatment agent.
Example 2
A biological water treatment agent comprising: 0.8 part of composite microbial agent, 10 parts of cellulose, 40 parts of straw powder, 25 parts of coffee grounds and 55 parts of medical stone; wherein, the compound microbial inoculum comprises: 25 parts of aspergillus sojae, 36 parts of bacillus licheniformis, 19 parts of geotrichum candidum and 25 parts of fluorescent pseudomonas.
The preparation method of the biological water treatment agent comprises the following steps:
s1: soaking straw powder and coffee grounds in alkaline solution for 36h, washing to neutrality, drying, and adding CaCl2Soaking the mixture in the solution for a period of time, drying the mixture, and calcining the mixture to obtain a carbonized mixture, wherein the soaking time is 24 hours;
s2: and adding the compound microbial agent, the cellulose, the medical stone and the carbonized mixture into water, uniformly stirring, and granulating at the drying temperature of 50 ℃ for 2 hours to obtain the biological water treatment agent.
Example 3
A biological water treatment agent comprising: 0.5 part of composite microbial agent, 10 parts of cellulose, 15 parts of straw powder, 25 parts of coffee grounds and 30 parts of medical stone; wherein, the compound microbial inoculum comprises: 25 parts of aspergillus sojae, 22 parts of bacillus licheniformis, 19 parts of geotrichum candidum and 10 parts of fluorescent pseudomonas.
The preparation method of the biological water treatment agent comprises the following steps:
s1: soaking straw powder and coffee grounds in alkaline solution for 24h, washing to neutrality, drying, and adding CaCl2Soaking the mixture in the solution for a period of time, drying the mixture, and calcining the mixture to obtain a carbonized mixture, wherein the soaking time is 24 hours;
s2: and adding the compound microbial agent, the cellulose, the medical stone and the carbonized mixture into water, uniformly stirring, and granulating at the drying temperature of 40 ℃ for 2 hours to obtain the biological water treatment agent.
Example 4
A biological water treatment agent comprising: 0.7 part of composite microbial agent, 7 parts of cellulose, 20 parts of straw powder, 16 parts of coffee grounds and 45 parts of medical stone; wherein, the compound microbial inoculum comprises: 15 parts of aspergillus sojae, 30 parts of bacillus licheniformis, 17 parts of geotrichum candidum and 20 parts of fluorescent pseudomonas.
The preparation method of the biological water treatment agent comprises the following steps:
s1: soaking straw powder and coffee grounds in alkaline solution for 30h, washing to neutrality, drying, and adding CaCl2Soaking the mixture in the solution for 18h, drying, and calcining to obtain a carbonized mixture;
s2: and adding the compound microbial agent, the cellulose, the medical stone and the carbonized mixture into water, uniformly stirring, and granulating at the drying temperature of 45 ℃ for 1h to obtain the biological water treatment agent.
Example 5
A biological water treatment agent comprising: 0.6 part of composite microbial agent, 8 parts of cellulose, 35 parts of straw powder, 15 parts of coffee grounds and 35 parts of medical stone; wherein, the compound microbial inoculum comprises: 20 parts of aspergillus sojae, 25 parts of bacillus licheniformis, 16 parts of geotrichum candidum and 15 parts of fluorescent pseudomonas.
The preparation method of the biological water treatment agent comprises the following steps:
s1: soaking straw powder and coffee grounds in alkaline solution for 30h, washing to neutrality, drying, and adding CaCl2Soaking the mixture in the solution for 18h, drying, and calcining to obtain a carbonized mixture;
s2: and adding the compound microbial agent, the cellulose, the medical stone and the carbonized mixture into water, uniformly stirring, and granulating at the drying temperature of 45 ℃ for 2 hours to obtain the biological water treatment agent.

Claims (10)

1. A biological water treatment agent, comprising:
composite microbial agent, cellulose, straw powder, coffee grounds and medical stone;
wherein, the compound microbial inoculum comprises: aspergillus sojae, Bacillus licheniformis, Geotrichum candidum, and Pseudomonas fluorescens.
2. The biological water treatment agent according to claim 1, comprising, in parts by mass:
0.5-0.8 part of composite microbial agent, 5-10 parts of cellulose, 15-40 parts of straw powder, 12-25 parts of coffee grounds and 30-55 parts of medical stone.
3. The biological water treatment agent according to claim 1, wherein the composite microbial agent comprises, in parts by mass:
10-25 parts of aspergillus sojae, 22-36 parts of bacillus licheniformis, 12-19 parts of geotrichum candidum and 10-25 parts of pseudomonas fluorescens.
4. The biological water treatment agent according to claim 3, comprising, in parts by mass:
0.7 part of composite microbial agent, 7 parts of cellulose, 20 parts of straw powder, 16 parts of coffee grounds and 45 parts of medical stone;
wherein, the compound microbial inoculum comprises: 15 parts of aspergillus sojae, 30 parts of bacillus licheniformis, 17 parts of geotrichum candidum and 20 parts of fluorescent pseudomonas.
5. The biological water treatment agent according to claim 1, wherein the cellulose is one or more of carboxy-C1-C3-alkylcellulose, carboxy-C1-C3-alkylhydroxy-C1-C3-alkylcellulose, C1-C3-alkylcellulose, C1-C3-alkylhydroxy-C1-3-alkylcellulose, hydroxy-C1-3-alkylcellulose, mixed hydroxy-C1-C3-alkylcellulose or microcrystalline cellulose.
6. The biological water treatment agent according to claim 1, wherein the medical stone has a particle size of 100 to 250 μm.
7. The biological water treatment agent according to claim 1, wherein the water content in the straw powder is not higher than 10%; the water content of the coffee grounds is not higher than 10%.
8. A preparation method of a biological water treatment agent is characterized by comprising the following steps:
s1: soaking straw powder and coffee grounds in alkaline solution for 24-36h, washing to neutrality, drying, and adding CaCl2Soaking the mixture in the solution for a period of time, drying and calcining the mixture to obtain a carbonized mixture;
s2: and adding the compound microbial agent, cellulose, medical stone and carbonized mixture into water, uniformly stirring, granulating and drying to obtain the biological water treatment agent.
9. The method for preparing a biological water treatment agent according to claim 8, wherein the CaCl is added in step S12The soaking time in the solution is 12-24 h.
10. The method for preparing a biological water treatment agent according to claim 8, wherein the drying temperature in the step S2 is 40-50 ℃ and the drying time is 1-2 h.
CN202010926460.2A 2020-09-07 2020-09-07 Biological water treatment agent and preparation method thereof Pending CN112093914A (en)

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Application Number Priority Date Filing Date Title
CN202010926460.2A CN112093914A (en) 2020-09-07 2020-09-07 Biological water treatment agent and preparation method thereof

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CN112093914A true CN112093914A (en) 2020-12-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113666508A (en) * 2021-08-16 2021-11-19 山东得和明兴生物科技有限公司 Microbial composite product for improving water quality and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106676021A (en) * 2015-11-06 2017-05-17 丹阳市尚德生物科技有限公司 Microbial preparation for river course water quality restoration, and preparation method thereof
CN108441444A (en) * 2018-03-22 2018-08-24 中电建水环境治理技术有限公司 A kind of complex micro organism fungicide administered suitable for black and odorous water
CN110143592A (en) * 2019-07-05 2019-08-20 咖法科技(上海)有限公司 A kind of preparation method of coffee grounds active carbon

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106676021A (en) * 2015-11-06 2017-05-17 丹阳市尚德生物科技有限公司 Microbial preparation for river course water quality restoration, and preparation method thereof
CN108441444A (en) * 2018-03-22 2018-08-24 中电建水环境治理技术有限公司 A kind of complex micro organism fungicide administered suitable for black and odorous water
CN110143592A (en) * 2019-07-05 2019-08-20 咖法科技(上海)有限公司 A kind of preparation method of coffee grounds active carbon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113666508A (en) * 2021-08-16 2021-11-19 山东得和明兴生物科技有限公司 Microbial composite product for improving water quality and preparation method thereof

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Application publication date: 20201218