CN111676149B - Microbacterium with deodorization and decontamination functions and application thereof in fecal sewage treatment - Google Patents
Microbacterium with deodorization and decontamination functions and application thereof in fecal sewage treatment Download PDFInfo
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- CN111676149B CN111676149B CN202010442615.5A CN202010442615A CN111676149B CN 111676149 B CN111676149 B CN 111676149B CN 202010442615 A CN202010442615 A CN 202010442615A CN 111676149 B CN111676149 B CN 111676149B
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- 239000010865 sewage Substances 0.000 title claims abstract description 38
- 241001467578 Microbacterium Species 0.000 title claims abstract description 20
- 230000002550 fecal effect Effects 0.000 title claims abstract description 15
- 238000005202 decontamination Methods 0.000 title abstract description 18
- 230000003588 decontaminative effect Effects 0.000 title abstract description 18
- 238000004332 deodorization Methods 0.000 title abstract description 12
- 230000001877 deodorizing effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 10
- 239000011574 phosphorus Substances 0.000 abstract description 10
- 230000001580 bacterial effect Effects 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 9
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 231100000403 acute toxicity Toxicity 0.000 abstract description 3
- 230000007059 acute toxicity Effects 0.000 abstract description 3
- 238000006065 biodegradation reaction Methods 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 231100000027 toxicology Toxicity 0.000 abstract description 3
- 206010067482 No adverse event Diseases 0.000 abstract description 2
- 238000010171 animal model Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 244000144977 poultry Species 0.000 description 12
- 238000009395 breeding Methods 0.000 description 11
- 230000001488 breeding effect Effects 0.000 description 11
- 210000003608 fece Anatomy 0.000 description 10
- 239000010871 livestock manure Substances 0.000 description 10
- 244000144972 livestock Species 0.000 description 8
- 238000011161 development Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000011081 inoculation Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005273 aeration Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 3
- 241000699670 Mus sp. Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 239000012880 LB liquid culture medium Substances 0.000 description 1
- 241000500375 Microbacterium sp. Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 231100000460 acute oral toxicity Toxicity 0.000 description 1
- 238000011047 acute toxicity test Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003501 co-culture Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
- C12R2001/00—Microorganisms ; Processes using microorganisms
- C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
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- 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
- C12N1/205—Bacterial isolates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Microbiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Tropical Medicine & Parasitology (AREA)
- Biomedical Technology (AREA)
- Virology (AREA)
- Medicinal Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
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Abstract
The invention discloses a microbacterium with deodorization and decontamination functions and application thereof in biodegradation and deodorization and decontamination, wherein the preservation number of the microbacterium is as follows: CCTCC NO: m20191137. The microbacterium OB-Y screened by the method can efficiently purify organic matters in the excrement and sewage, reduce indexes such as COD (chemical oxygen demand), ammonia nitrogen, total phosphorus and the like, and meanwhile, the high-concentration bacterial liquid is proved to have no toxic effect on experimental animals and can be safely released after being tested by acute toxicity oral toxicology experiments. The microbacterium OB-Y is proved by a plurality of examples that the microbacterium OB-Y not only has the function of efficiently purifying the fecal sewage, but also can remarkably promote the growth of the primary decontamination function flora in the fecal sewage, promote the activity of the primary decontamination function flora and further promote the stable, efficient and harmless treatment effect of the fecal sewage.
Description
Technical Field
The invention relates to the field of microorganisms, in particular to microbacterium with functions of deodorization and decontamination and application thereof in the field of biodegradation and deodorization and decontamination, and is particularly suitable for efficiently purifying livestock and poultry breeding manure sewage.
Background
In recent years, with the rapid development of science and technology and economy, the consumption of meat is gradually increased, and the number of large-scale farms is increased just like the bamboo shoots in the spring after rain. However, intensive cultivation brings great economic benefits to people and also brings non-negligible environmental pollution problems, and has restricted the healthy development of animal husbandry to a certain extent. The large-scale farm provides high-quality protein food for people, brings severe environmental pollution problems which mainly include water pollution, air pollution, soil pollution and the like, seriously influences the healthy development of large-scale cultivation, and also poses great threat to the health of human beings. The production of livestock and poultry excrement and sewage is greatly increased, and particularly, the large-scale breeding development is rapid, the influence on rural environment is more and more serious, and the effective treatment problem of the excrement and the sewage is increasingly concerned by society.
The treatment technology of the livestock and poultry breeding manure sewage is mainly biochemical treatment, and mainly comprises different treatment combined systems such as anaerobic treatment, aerobic treatment, anaerobic-aerobic treatment and the like, the key of the treatment technologies lies in the activity of functional strains, and the low sewage treatment efficiency and the high long-term operation and maintenance cost are caused by the low activity of the functional strains in the actual sewage treatment process. In addition, although photosynthetic bacteria and EM preparation purification technology are widely applied to cultivation sewage treatment, the functional strains are mostly dependent on import, and development and utilization of local strain resources are rarely reported. However, from an ecological point of view, the development and utilization of local resources are particularly important.
At present, livestock and poultry breeding waste becomes a main source of non-point source pollution in rural areas in China, but due to the problems of capital, technology and the like, the treatment rate of harmlessness, reclamation and commercialization of excrement is less than 5%, and in addition, the excrement is relatively and intensively discharged, so that the environmental bearing capacity is greatly exceeded, and the safety of local agricultural products and the health of residents are influenced. The method attaches importance to and strengthens the treatment of the excrement and the sewage in rural areas, avoids the pollution influence on natural environments such as water bodies, land, atmosphere and the like in the rural areas due to sewage discharge, ensures the safety of rural water sources and the health of farmers, is an important content for promoting village improvement work and human living environment improvement in new rural construction, is the most urgent, urgent and outstanding problem to be solved in the current rural human living environment improvement work, and has important practical significance. Therefore, it is necessary to develop a harmless treatment and resource treatment technology for breeding wastes with low investment, low energy consumption and high efficiency to realize low emission of breeding wastes and cyclic utilization of resources, so that livestock and poultry breeding industry can step by step enter the development path of circular economy.
Disclosure of Invention
In order to solve the problems and the defects in the prior art, the invention aims to provide a strain microbacterium with deodorization and decontamination functions and application thereof in the aspects of biodegradation, deodorization and decontamination and the like.
The first purpose of the invention is to provide a strain microbacterium with deodorization and decontamination functions, which proves that the microbacterium can efficiently remove COD, ammonia nitrogen and total phosphorus indexes in fecal sewage. The invention provides a micro bacillus (Microbacterium sp.) OB-Y with deodorization and decontamination functions, which has the collection number as follows: CCTCC NO: m20191137, deposit name: china center for type culture Collection, Collection Unit Address: wuhan university, preservation date: 12 and 31 in 2019.
The second purpose of the invention is to provide an application method of the strain microbacterium in deodorization and decontamination of the excrement and sewage in the farm.
The invention has the beneficial effects that:
1. the microbacterium OB-Y screened by the method can efficiently purify organic matters in the excrement and sewage, reduce indexes such as COD (chemical oxygen demand), ammonia nitrogen, total phosphorus and the like, and meanwhile, the high-concentration bacterial liquid is proved to have no toxic effect on experimental animals and can be safely released after being tested by acute toxicity oral toxicology experiments.
2. The microbacterium OB-Y is proved by a plurality of examples that the microbacterium OB-Y not only has the function of efficiently purifying the fecal sewage, but also can remarkably promote the growth of the primary decontamination function flora in the fecal sewage, promote the activity of the primary decontamination function flora and further promote the stable, efficient and harmless treatment effect of the fecal sewage.
3. The microbacterium OB-Y screened by the invention has the advantages of obvious deodorization effect on the fecal sewage, and the odor can be obviously reduced after about 4 to 5 hours of spraying.
The invention has simple operation, low cost, liquid spraying, safe and convenient use, can be directly sprayed to livestock and poultry breeding manure sewage treatment, and is convenient for large-scale popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
FIG. 1 is a diagram showing the effect of removing contaminants from fecal sewage in a pig farm of Reian, Wenzhou after aseptic application of a strain OB-Y;
FIG. 2 is a diagram showing the effect of removing pollutants from fecal sewage in a certain poultry farm in Wenzhou after adding strain OB-Y and aeration treatment at normal temperature;
FIG. 3 is a graph showing the comparison of microbial diversity in the system before and after the addition of the strain OB-Y.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Example 1: microbacterium OB-Y activation and culture
Step 1: activating a Microbacterium sp, OB-Y single strain separated and purified from pig farm excrement sewage in the Wenzhou region, namely absorbing a bacteria liquid preserved at low temperature from a glycerol pipe, transferring the bacteria liquid into a fresh LB liquid culture medium by the inoculation amount of 1-5 per mill (V: V), culturing the activated strain by shaking overnight at 30 ℃, 180rpm, and then transferring the activated strain into an expanding culture medium by the inoculation amount of 1-5 per mill (V: V) for expanding propagation culture.
Step 2: if the sterile propagation condition is not available, the strain preserved at low temperature can be directly inoculated into livestock and poultry breeding manure sewage in an inoculation amount of more than 2 percent (V: V) for aeration treatment for 1-3 days, and the bacterial liquid is used as spraying bacterial liquid after being in a yellow and slightly turbid state and having no obvious odor.
And step 3: directly spraying the expanded and propagated bacterial liquid into the livestock and poultry breeding manure sewage according to the proportion of more than 0.5 percent (V: V) and carrying out a conventional aerobic biological treatment process.
Application example 1: pig farm manure sewage treatment
In order to determine the decontamination effect of a single strain OB-Y, the fecal sewage of a certain pig farm of Ruian, Wenzhou city is collected, the fecal sewage is sterilized by high-temperature high-pressure steam, the strain OB-Y is inoculated in a sterile manner according to the inoculation amount of 1 percent (V: V), and after the strain OB-Y is cultured for 24 hours, the indexes of COD, ammonia nitrogen and total phosphorus are measured. The results show that: the strain has a good purification effect on sterilized pig farm manure sewage, wherein the maximum removal rate of COD (chemical oxygen demand) for 24 hours is about 69.45%, the maximum removal rate of total phosphorus for 24 hours is about 51.16%, the maximum removal rate of ammonia nitrogen for 24 hours is about 27.43%, the decontamination effect is good, and the reduction effect of three pollution indexes can be determined to be completed by the strain OB-Y because the manure sewage is subjected to high-temperature high-pressure steam sterilization treatment and then inactivates original microorganisms. In addition, the optimal dissolved oxygen concentration of the strain occurs when the rotation speed of the shaking table is 150-.
Application example 2: poultry farm manure sewage treatment
In order to further determine the decontamination effect of the organic pollutants when the bacterial strain OB-Y is directly added into the excrement sewage, the excrement sewage of a certain poultry farm in Wenzhou city is specially collected, the bacterial strain OB-Y is directly inoculated in an inoculation amount of 1 percent (V: V), and after 1d and 3d of co-culture, COD, ammonia nitrogen and total phosphorus indexes of the bacterial strain OB-Y are measured. The results show that: the strain also has a good purification effect on poultry breeding manure sewage, wherein after aeration treatment is carried out for 1d at room temperature, the removal rate of COD is 63.15%, the removal rate of total phosphorus is 39.65%, and the removal rate of ammonia nitrogen is 75.28%; after aeration treatment for 3d, the removal rate of COD is 95.04%, the removal rate of total phosphorus is 52.61%, and the removal rate of ammonia nitrogen is about 96.33%. Meanwhile, the pollutant removal rate of an experimental group treated by adding functional strains is obviously higher than that of a control group which is not added.
In order to further determine the principle of improving the removal efficiency of organic pollutants after adding the strain OB-Y, water samples of added and non-added functional strains are collected, the microbial diversity in a system is detected, and the result shows that: after the strain OB-Y is added, the growth of the indigenous nitrogen and phosphorus removal functional strain in the system can be remarkably promoted, and the nitrogen and phosphorus removal effect is further promoted.
In order to determine the non-toxic effect of the strain on cultured animals, after toxicological tests are carried out on high-concentration bacterial liquid of the strain, the strain is determined to pass oral acute toxicity tests, no acute toxicity is caused to experimental mice, and the fed mice have no difference with normal mice, and are safe and reliable.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (2)
1. A Microbacterium sp OB-Y with deodorizing and decontaminating functions, which has the deposit number: CCTCC NO: m20191137.
2. Use of the microbacterium of claim 1 for deodorizing and decontaminating fecal sewage in a farm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010442615.5A CN111676149B (en) | 2020-05-22 | 2020-05-22 | Microbacterium with deodorization and decontamination functions and application thereof in fecal sewage treatment |
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| CN202010442615.5A CN111676149B (en) | 2020-05-22 | 2020-05-22 | Microbacterium with deodorization and decontamination functions and application thereof in fecal sewage treatment |
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| CN111676149A CN111676149A (en) | 2020-09-18 |
| CN111676149B true CN111676149B (en) | 2022-02-11 |
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| CN108455734A (en) * | 2018-04-02 | 2018-08-28 | 福建省微生物研究所 | Application of the Amur microbacterium in sewage purification |
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