CN107417395A - A kind of livestock-raising utilization of waste as resource method - Google Patents

A kind of livestock-raising utilization of waste as resource method Download PDF

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Publication number
CN107417395A
CN107417395A CN201710646070.8A CN201710646070A CN107417395A CN 107417395 A CN107417395 A CN 107417395A CN 201710646070 A CN201710646070 A CN 201710646070A CN 107417395 A CN107417395 A CN 107417395A
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fermentation
livestock
biogas
waste
raising
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CN201710646070.8A
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曾召禄
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Individual
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/70—Controlling the treatment in response to process parameters
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023—Methane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

The present invention relates to a kind of livestock-raising utilization of waste as resource method, methods described, which includes to rinse after the excrement of livestock-raising field to sieve by grid with clear water, obtains screening reject and waste water；Waste water is passed through the fermentation of biogas fermentation unit and produces biogas；Concentrated liquid fertilizer is made using film method for concentration in biogas residue and a part of biogas slurry back-mixing of biogas slurry to biogas fermentation unit, another part biogas slurry after fermentation；Screening reject is sent into progress pre fermentation in pre fermentation pond and handles to obtain fermentation substrate after just being mixed with herding argol；Fine powder is crushed to after biogas residue and fermentation substrate are carried out into temperature controlled fermentation in composting units, fine powder obtains organic fertilizer after granulation, drying and processing and packaging.Using method of the present invention, the higher value application and pollutant decrement of livestock-raising waste material are realized, reaches recycling for resource, while also realize the purpose of pollution reduction.

Description

A kind of livestock-raising utilization of waste as resource method
Technical field
The invention belongs to breeding waste technical field of comprehensive utilization during livestock-raising, and in particular to a kind of herding is supported Grow utilization of waste as resource method.
Background technology
In recent years, with the fast development of livestock breeding industry, the development of livestock breeding industry and the transformation of the mode of production, promote Growth of agricultural efficiency, increasing peasant income, but also bring the problem of animal excretion sewage rolls up and concentrates discharge simultaneously.Largely Animal excretion not only causes serious environmental pollution, and also animal bodies health is threatened, and influences the development of aquaculture.Cause This, must take effective technology measure to livestock breeding industry treatment for cow manure, treatment for cow manure is reached innoxious, minimizing and resource Change, so as to promote animal husbandry sustainable and healthy development.
It is a kind of nutritious organic fertilizer, at present in herding excrement containing elements such as substantial amounts of nitrogen, phosphorus in animal excretion Just in Fertilizer Transformed application, technique mainly has convection drying, Natural compost and microbial inoculant fermentation etc..Microbial inoculant Fermentation is by adding functional microorganism on the basis of compost, is bred rapidly using beneficial microorganism instead of the micro- life of original inhabitants Thing, compost Bacterial community is adjusted, improve beneficial microbe activity, by the way that mutually synergy forms complexity and steady between each strain The fixed ecosystem.Its advantage be can the organic material such as fast decoupled excrement and stalk and produce heat energy, make organic materials temperature Rapid rise, suppress or kill harmful microorganism, improve decomposed degree, prepare biological organic fertilizer truly.Therefore, it is real Existing livestock-raising discarded object higher value application is that solve livestock-raising pollution, overcomes herding waste utilization neighboring area to limit, Reach the effective way of pollution reduction.
The content of the invention
The purpose of the present invention is for problem present in background technology, there is provided a kind of livestock-raising waste utilization side Method, it is possible to increase the resource utilization rate of organic waste, added value of product is improved, to realize livestock-raising waste material Higher value application and pollutant minimizing, specifically a kind of livestock-raising utilization of waste as resource method.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of livestock-raising changing rejected material to useful resource Application way, methods described specifically comprise the following steps：
(1) livestock-raising field excrement is rinsed using clear water, and the flushing water containing excrement is entered into regulating reservoir, sieved by grid Afterwards, screening reject and waste water are obtained；
(2) waste water after step (1) is separated is passed through biogas fermentation unit, and collecting methane is in air collector caused by fermentation；Fermentation Discharging afterwards is adopted after dewater treatment into biogas residue and biogas slurry, a part of biogas slurry back-mixing to biogas fermentation unit, another part biogas slurry Concentrated liquid fertilizer is made with film method for concentration；
(3) it is sent into pre fermentation pond, carries out after the screening reject in step (1) is just mixed with the herding argol being collected in manure pit Pre fermentation processing, ferments 5~8 days, obtains fermentation substrate, then fermentation substrate is pumped into composting units at ambient temperature；
(4) biogas residue of gained in step (2) is added in composting units and carries out temperature controlled fermentation, in fermentation process, when temperature reaches To after 60~65 DEG C, every turning in three days once, after its turning 2~3 times, then controls temperature between 40~50 DEG C, after Supervention ferment 2~4 days, terminate fermentation；
(5) fermentation materials of gained in step (4) are crushed to fine powder, the aqueous solution of the fine powder containing 2~3% bacillus subtilises It is 25~30% to adjust moisture, and screening removes thick particle, is pelletized using comminutor, then dried using dryer Processing, make moisture control within 12%, obtain organic fertilizer finished product, finally by obtained organic fertilizer finished product it is packaged produce it is organic Fertilizer.
Further, as optimal technical scheme, the livestock-raising utilization of waste as resource method, in the step (1) clear water is used to rinse livestock-raising field of the livestock-raising field for cultivation pig or ox in.
Further, as optimal technical scheme, the livestock-raising utilization of waste as resource method, in the step (3) the pre fermentation pond in is fully closed concrete fermentation vat.
Further, as optimal technical scheme, the livestock-raising utilization of waste as resource method, in the step (4) be additionally added during the composting units in compost heap body volume 8~12% auxiliary material and compost heap body gross weight 0.1~ 0.3% microbe leaven, the auxiliary material are one or more of any combination, the microbial fermentation in stalk, wood chip or rice chaff Agent presses 1 by bacillus subtilis bacterium powder and saccharomycete bacterium powder:1 mixing composition, the auxiliary material, microbe leaven and biogas residue and heap Fermentation substrate in fertile unit carries out temperature controlled fermentation after being well mixed.
Using a kind of livestock-raising utilization of waste as resource method of the present invention, compared with prior art, it has Beneficial effect is：After being rinsed to the excrement in livestock-raising field, cultivated using biogas fermentation and ecological assemblage technical finesse Field sewage, the advantages such as operating cost low few with sludge quantity；Using composting technology handle soiled litter, have economical and efficient and The advantage of the utilization of resources；Biological source fertilizer is just converted into using caused biogas residue, biogas slurry and herding argol, improves organic waste The resource utilization rate of gurry, energy resource consumption is less, also improves added value of product.Realize the height of livestock-raising waste material Value utilizes and pollutant decrement, reaches recycling for resource, while also realize the purpose of pollution reduction.
Embodiment
In order to more fully explain the implementation of the present invention, the specific embodiment of the invention is further elaborated below, lifted Example is served only for explaining the present invention, rather than limits the scope of the present invention.
Embodiment 1：
A kind of livestock-raising utilization of waste as resource method, methods described specifically comprise the following steps：
(1) feeder pig manure is rinsed using clear water, and the flushing water containing excrement is entered into regulating reservoir, after being sieved by grid, Obtain screening reject and waste water；
(2) waste water after step (1) is separated is passed through biogas fermentation unit, and collecting methane is in air collector caused by fermentation；Fermentation Discharging afterwards is adopted after dewater treatment into biogas residue and biogas slurry, a part of biogas slurry back-mixing to biogas fermentation unit, another part biogas slurry Concentrated liquid fertilizer is made with film method for concentration；
(3) it is sent into pre fermentation pond, carries out after the screening reject in step (1) is just mixed with the herding argol being collected in manure pit Pre fermentation processing, wherein the pre fermentation pond is fully closed concrete fermentation vat, ferments 5~8 days, obtain at ambient temperature Fermentation substrate, then fermentation substrate is pumped into composting units；
(4) biogas residue of gained in step (2) is added in composting units and carries out temperature controlled fermentation, in fermentation process, when temperature reaches To after 60~65 DEG C, every turning in three days once, after its turning 2~3 times, then controls temperature between 40~50 DEG C, after Supervention ferment 2~4 days, terminate fermentation；
(5) fermentation materials of gained in step (4) are crushed to fine powder, fine powder uses the aqueous solution containing 2% bacillus subtilis to adjust Moisture is 25~30%, and screening removes thick particle, is pelletized using comminutor, then carried out using dryer at drying Reason, make moisture control within 12%, obtain organic fertilizer finished product, finally by obtained organic fertilizer finished product it is packaged produce it is organic Fertilizer.
Embodiment 2：
A kind of livestock-raising utilization of waste as resource method, methods described specifically comprise the following steps：
(1) feeder pig manure is rinsed using clear water, and the flushing water containing excrement is entered into regulating reservoir, after being sieved by grid, Obtain screening reject and waste water；
(2) waste water after step (1) is separated is passed through biogas fermentation unit, and collecting methane is in air collector caused by fermentation；Fermentation Discharging afterwards is adopted after dewater treatment into biogas residue and biogas slurry, a part of biogas slurry back-mixing to biogas fermentation unit, another part biogas slurry Concentrated liquid fertilizer is made with film method for concentration；
(3) it is sent into pre fermentation pond, carries out after the screening reject in step (1) is just mixed with the herding argol being collected in manure pit Pre fermentation processing, wherein the pre fermentation pond is fully closed concrete fermentation vat, ferments 5~8 days, obtain at ambient temperature Fermentation substrate, then fermentation substrate is pumped into composting units；
(4) biogas residue of gained in step (2) is added in composting units and carries out temperature controlled fermentation, while be additionally added compost heap body The auxiliary material and the microbe leaven of compost heap body gross weight 0.1~0.2% of volume 8~10%, the auxiliary material are stalk, wood chip or rice One or more of any combination, the microbe leaven press 1 by bacillus subtilis bacterium powder and saccharomycete bacterium powder in chaff:1 is mixed It is combined into, the auxiliary material, microbe leaven and biogas residue carry out temperature control hair after being well mixed with the fermentation substrate in composting units Ferment, during the fermentation, after temperature reaches 60~63 DEG C, every turning in three days once, after its turning 2 times, then controls Temperature continues fermentation 3~4 days between 40~45 DEG C, terminates fermentation；
(5) fermentation materials of gained in step (4) are crushed to fine powder, fine powder uses the aqueous solution containing 2.5% bacillus subtilis to adjust Whole moisture is 25~28%, and screening removes thick particle, is pelletized using comminutor, then carried out using dryer at drying Reason, make moisture control within 12%, obtain organic fertilizer finished product, finally by obtained organic fertilizer finished product it is packaged produce it is organic Fertilizer.
Embodiment 3：
A kind of livestock-raising utilization of waste as resource method, methods described specifically comprise the following steps：
(1) vaccary excrement is rinsed using clear water, and the flushing water containing excrement is entered into regulating reservoir, after being sieved by grid, Obtain screening reject and waste water；
(2) waste water after step (1) is separated is passed through biogas fermentation unit, and collecting methane is in air collector caused by fermentation；Fermentation Discharging afterwards is adopted after dewater treatment into biogas residue and biogas slurry, a part of biogas slurry back-mixing to biogas fermentation unit, another part biogas slurry Concentrated liquid fertilizer is made with film method for concentration；
(3) it is sent into pre fermentation pond, carries out after the screening reject in step (1) is just mixed with the herding argol being collected in manure pit Pre fermentation processing, wherein the pre fermentation pond is fully closed concrete fermentation vat, ferments 5~8 days, obtain at ambient temperature Fermentation substrate, then fermentation substrate is pumped into composting units；
(4) biogas residue of gained in step (2) is added in composting units and carries out temperature controlled fermentation, while be additionally added compost heap body The auxiliary material and the microbe leaven of compost heap body gross weight 0.2~0.3% of volume 10~12%, the auxiliary material be stalk, wood chip or One or more of any combination, the microbe leaven press 1 by bacillus subtilis bacterium powder and saccharomycete bacterium powder in rice chaff:1 Mixing composition, the auxiliary material, microbe leaven and biogas residue carry out temperature control after being well mixed with the fermentation substrate in composting units Fermentation, in fermentation process, after temperature reaches 63~65 DEG C, every turning in three days once, after its turning 3 times, then controls Temperature continues fermentation 2~3 days between 45~50 DEG C, terminates fermentation；
(5) fermentation materials of gained in step (4) are crushed to fine powder, fine powder uses the aqueous solution containing 3% bacillus subtilis to adjust Moisture is 27~30%, and screening removes thick particle, is pelletized using comminutor, then carried out using dryer at drying Reason, make moisture control within 12%, obtain organic fertilizer finished product, finally by obtained organic fertilizer finished product it is packaged produce it is organic Fertilizer.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair The improvement for the various unsubstantialities that bright methodology and technical scheme are carried out, or it is not improved by the design of the present invention and technology Scheme directly applies to other occasions, within protection scope of the present invention.

Claims (4)

  1. A kind of 1. livestock-raising utilization of waste as resource method, it is characterised in that methods described specifically comprises the following steps：
    (1) livestock-raising field excrement is rinsed using clear water, and the flushing water containing excrement is entered into regulating reservoir, sieved by grid Afterwards, screening reject and waste water are obtained；
    (2) waste water after step (1) is separated is passed through biogas fermentation unit, and collecting methane is in air collector caused by fermentation；Fermentation Discharging afterwards is adopted after dewater treatment into biogas residue and biogas slurry, a part of biogas slurry back-mixing to biogas fermentation unit, another part biogas slurry Concentrated liquid fertilizer is made with film method for concentration；
    (3) it is sent into pre fermentation pond, carries out after the screening reject in step (1) is just mixed with the herding argol being collected in manure pit Pre fermentation processing, ferments 5~8 days, obtains fermentation substrate, then fermentation substrate is pumped into composting units at ambient temperature；
    (4) biogas residue of gained in step (2) is added in composting units and carries out temperature controlled fermentation, in fermentation process, when temperature reaches To after 60~65 DEG C, every turning in three days once, after its turning 2~3 times, then controls temperature between 40~50 DEG C, after Supervention ferment 2~4 days, terminate fermentation；
    (5) fermentation materials of gained in step (4) are crushed to fine powder, the aqueous solution of the fine powder containing 2~3% bacillus subtilises It is 25~30% to adjust moisture, and screening removes thick particle, is pelletized using comminutor, then dried using dryer Processing, make moisture control within 12%, obtain organic fertilizer finished product, finally by obtained organic fertilizer finished product it is packaged produce it is organic Fertilizer.
  2. 2. livestock-raising utilization of waste as resource method according to claim 1, it is characterised in that：The step (1) It is middle to use clear water to rinse livestock-raising field of the livestock-raising field for cultivation pig or ox.
  3. 3. livestock-raising utilization of waste as resource method according to claim 1, it is characterised in that：The step (3) In pre fermentation pond be fully closed concrete fermentation vat.
  4. 4. livestock-raising utilization of waste as resource method according to claim 1, it is characterised in that：The step (4) In composting units during be additionally added compost heap body volume 8~12% auxiliary material and compost heap body gross weight 0.1~0.3% it is micro- Bio-fermentation agent, the auxiliary material are one or more of any combination in stalk, wood chip or rice chaff, and the microbe leaven is by withered Careless bacillus bacterium powder and saccharomycete bacterium powder press 1:1 mixing composition, the auxiliary material, microbe leaven and biogas residue and composting units In fermentation substrate it is well mixed after carry out temperature controlled fermentation.
CN201710646070.8A 2017-08-01 2017-08-01 A kind of livestock-raising utilization of waste as resource method Pending CN107417395A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108002868A (en) * 2017-12-23 2018-05-08 枞阳县天腾生态农业有限公司 A kind of processing method of large-scale vaccary stool detection refuse reclamation
CN108424180A (en) * 2018-05-23 2018-08-21 河南世技鑫能源科技有限公司 Pure biogas slurry fertilizer
CN108610212A (en) * 2018-05-23 2018-10-02 河南世技鑫能源科技有限公司 Pure natural pond organic fertilizer
CN108605863A (en) * 2018-04-17 2018-10-02 河南邓农食品股份有限公司 A kind of livestock culture waste ecology synthesis utilizes system
CN108794092A (en) * 2018-09-10 2018-11-13 安徽省快乐农牧科技股份有限公司 A kind of method that farm's excrement waste makes bio-feritlizer
CN108821810A (en) * 2018-09-21 2018-11-16 苏州农业职业技术学院 A kind of dispersion animal waste collection processing method
CN108928936A (en) * 2018-08-22 2018-12-04 武汉轻工大学 A kind of useless dirty ecology processing method of livestock culture
CN108976060A (en) * 2018-10-10 2018-12-11 徽县绿源科技开发有限责任公司 A kind of water soluble fertilizer processed using Wastewater from Pig Farm
CN110845257A (en) * 2019-10-18 2020-02-28 广西力源宝科技有限公司 Method for preparing organic fertilizer by utilizing silkworm breeding waste
CN111115840A (en) * 2019-10-18 2020-05-08 河南省科学院生物研究所有限责任公司 Method for harmless treatment and resource recycling of waste of live pig farm
CN112741004A (en) * 2020-12-29 2021-05-04 宿松县华图生物科技有限公司 Intelligent treatment facility of livestock-raising discarded object
CN115043678A (en) * 2022-07-15 2022-09-13 山东鼎创生物科技有限公司 Biogas residue solid-state fermentation bio-organic fertilizer and preparation method and application thereof
CN116282647A (en) * 2023-02-07 2023-06-23 广州众行环保科技有限公司 Method and system for treating cultivation sewage

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CN104030744A (en) * 2014-05-19 2014-09-10 新蔡县未来再生能源科技有限公司 Method for producing organic fertilizer by utilizing culturing farm waste and straw and device thereof
CN104030736A (en) * 2014-06-05 2014-09-10 金银锁 Method for producing organic fertilizer by using livestock and poultry breeding waste
CN104150987A (en) * 2014-07-22 2014-11-19 浙江大学 Resource utilization method of livestock and poultry breeding wastes
CN106824972A (en) * 2016-07-11 2017-06-13 湖南屎壳郎环境科技有限公司 A kind of Large-scale pig farm breeding pollution comprehensive treatment system and method

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Publication number Priority date Publication date Assignee Title
CN104030744A (en) * 2014-05-19 2014-09-10 新蔡县未来再生能源科技有限公司 Method for producing organic fertilizer by utilizing culturing farm waste and straw and device thereof
CN104030736A (en) * 2014-06-05 2014-09-10 金银锁 Method for producing organic fertilizer by using livestock and poultry breeding waste
CN104150987A (en) * 2014-07-22 2014-11-19 浙江大学 Resource utilization method of livestock and poultry breeding wastes
CN106824972A (en) * 2016-07-11 2017-06-13 湖南屎壳郎环境科技有限公司 A kind of Large-scale pig farm breeding pollution comprehensive treatment system and method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108002868A (en) * 2017-12-23 2018-05-08 枞阳县天腾生态农业有限公司 A kind of processing method of large-scale vaccary stool detection refuse reclamation
CN108605863A (en) * 2018-04-17 2018-10-02 河南邓农食品股份有限公司 A kind of livestock culture waste ecology synthesis utilizes system
CN108424180A (en) * 2018-05-23 2018-08-21 河南世技鑫能源科技有限公司 Pure biogas slurry fertilizer
CN108610212A (en) * 2018-05-23 2018-10-02 河南世技鑫能源科技有限公司 Pure natural pond organic fertilizer
CN108928936A (en) * 2018-08-22 2018-12-04 武汉轻工大学 A kind of useless dirty ecology processing method of livestock culture
CN108794092A (en) * 2018-09-10 2018-11-13 安徽省快乐农牧科技股份有限公司 A kind of method that farm's excrement waste makes bio-feritlizer
CN108821810A (en) * 2018-09-21 2018-11-16 苏州农业职业技术学院 A kind of dispersion animal waste collection processing method
CN108976060A (en) * 2018-10-10 2018-12-11 徽县绿源科技开发有限责任公司 A kind of water soluble fertilizer processed using Wastewater from Pig Farm
CN110845257A (en) * 2019-10-18 2020-02-28 广西力源宝科技有限公司 Method for preparing organic fertilizer by utilizing silkworm breeding waste
CN111115840A (en) * 2019-10-18 2020-05-08 河南省科学院生物研究所有限责任公司 Method for harmless treatment and resource recycling of waste of live pig farm
CN112741004A (en) * 2020-12-29 2021-05-04 宿松县华图生物科技有限公司 Intelligent treatment facility of livestock-raising discarded object
CN115043678A (en) * 2022-07-15 2022-09-13 山东鼎创生物科技有限公司 Biogas residue solid-state fermentation bio-organic fertilizer and preparation method and application thereof
CN116282647A (en) * 2023-02-07 2023-06-23 广州众行环保科技有限公司 Method and system for treating cultivation sewage

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Application publication date: 20171201