CN112093914A - Biological water treatment agent and preparation method thereof - Google Patents
Biological water treatment agent and preparation method thereof Download PDFInfo
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- 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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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title claims description 12
- 230000000813 microbial effect Effects 0.000 claims abstract description 29
- 229920002678 cellulose Polymers 0.000 claims abstract description 28
- 239000001913 cellulose Substances 0.000 claims abstract description 28
- 239000004575 stone Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 26
- 239000010902 straw Substances 0.000 claims abstract description 26
- 150000001875 compounds Chemical class 0.000 claims abstract description 23
- 241000131386 Aspergillus sojae Species 0.000 claims abstract description 17
- 241000194108 Bacillus licheniformis Species 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 241000453701 Galactomyces candidum Species 0.000 claims abstract description 16
- 235000017388 Geotrichum candidum Nutrition 0.000 claims abstract description 16
- 239000002068 microbial inoculum Substances 0.000 claims abstract description 13
- 241000589540 Pseudomonas fluorescens Species 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 32
- 235000010980 cellulose Nutrition 0.000 claims description 27
- 238000001035 drying Methods 0.000 claims description 27
- 238000002791 soaking Methods 0.000 claims description 20
- 229920013820 alkyl cellulose Polymers 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 12
- 241000589516 Pseudomonas Species 0.000 claims description 8
- 239000012670 alkaline solution Substances 0.000 claims description 8
- 238000001354 calcination Methods 0.000 claims description 8
- 239000001110 calcium chloride Substances 0.000 claims description 8
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 7
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 3
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 3
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 239000008394 flocculating agent Substances 0.000 description 5
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 241001148470 aerobic bacillus Species 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 229920000896 Ethulose Polymers 0.000 description 1
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 241000192710 Microcystis aeruginosa Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000001164 aluminium sulphate Substances 0.000 description 1
- 235000011128 aluminium sulphate Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, 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
- C12N1/14—Fungi; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, 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
- C12N1/20—Bacteria; Culture media therefor
Landscapes
- 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
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.
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CN202010926460.2A CN112093914A (en) | 2020-09-07 | 2020-09-07 | Biological water treatment agent and preparation method thereof |
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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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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 |
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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)
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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 |