CN109721129A - A kind of device and method using accelerator processing feces of livestock and poultry and aquaculture wastewater - Google Patents
A kind of device and method using accelerator processing feces of livestock and poultry and aquaculture wastewater Download PDFInfo
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- CN109721129A CN109721129A CN201910033632.0A CN201910033632A CN109721129A CN 109721129 A CN109721129 A CN 109721129A CN 201910033632 A CN201910033632 A CN 201910033632A CN 109721129 A CN109721129 A CN 109721129A
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- 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
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Abstract
The invention discloses a kind of device and methods using accelerator processing feces of livestock and poultry and aquaculture wastewater, belong to cultural technique field, including irradiation channel, accelerator and conveyer belt, safety interlocking facility is equipped in irradiation channel outer shield structure and inside, the electron beam or generated X-ray of practicing shooting generated using one or more accelerator carries out radiation treatment to feces of livestock and poultry and aquaculture wastewater, it realizes that harmless resource utilization utilizes, or is made into organic fertilizer or sterile animal feed raw material is supplied to growing area.The present invention can effective deodorization using electron beam, foul gas such as NH3 in fast decoupled feces of livestock and poultry and aquaculture wastewater, H2S, effectively remove antibiotic, and germ can be efficiently killed, the animal husbandry excrement by electron beam treatment, subsequent composting efficiency greatly promotes, harmless resource utilization utilization may be implemented in animal husbandry excrement after processing, has preferable economic benefit.
Description
Technical field
The present invention relates to a kind of methods that feces of livestock and poultry and aquaculture wastewater are handled, more particularly to a kind of using at accelerator
The device and method for managing feces of livestock and poultry and aquaculture wastewater, belongs to cultural technique field.
Background technique
The environmental pollution in China rural area is mainly derived from Pollution from livestock and poultry, domestic pollution and township enterprise's pollution.Wherein,
Pollution from livestock and poultry has become most direct, most serious pollution factor in Rural Plane Source Pollution.In recent years, aquaculture industry of China was fast
Speed development, livestock and poultry cultivation have become the backbone industry of various regions increasing peasant income.But since breeding waste processing auxiliary facility is endless
Kind, aquaculture wastewater discharges phenomenon wantonly and protrudes, and causes serious pollution to China's environment.
According to expert calculation, a pig blowdown flow rate is equivalent to three people, and a head of cattle is equivalent to nine people, national rural area livestock and poultry
It is quite huge to cultivate blowdown flow rate, especially most of farms lack mating waste treatment facilities, and livestock and poultry liquid dung is without appointing
Where reason is directly discharged into river, pollutes each tributary water system seriously, water quality deterioration, and Rural Plane Source Pollution especially livestock and poultry cultivation is dirty
Dye is administered very urgent.
The factory of cultivation at present is mainly storehouse formula fermentation technique, the technical matters process to poultry excrement and urine disposal prior art
For feces of livestock and poultry → mixing → storehouse formula fermentation → low temperature drying → screening, inspection → metering storage → organic fertilizer, storehouse formula fermentation skill
Art compost fermentation divides low temperature, medium temperature, high temperature three phases, after the three phases of compost, finally the water in compost can be made to add
Thermal change exhausts for steam, it is decomposed after semi-finished product be powder, drying machine carry out after low temperature drying it is cooling, sieve, close
Lattice product are transported to finished product bin by elevator.Feces of livestock and poultry can be changed into the organic fertilizer that can be used by processing by the technology
Material generally uses aquaculture wastewater methane-generating pit fermentation technique, and tunning has biogas, biogas slurry and biogas residue, cultivates factory to animal dung
Just it needs to put into substantial contribution with aquaculture wastewater, but can not effectively solve pollution problem, the environment for often resulting in cultivation factory is examined
It looks into not up to standard.
At present technical solution there are the shortcomings that it is relatively more, be that pig farm foul gas can not be effectively treated first, feces of livestock and poultry
Treatment region stink is strong, mainly NH3 and H2S, pollutes to surrounding enviroment big.Secondly feces of livestock and poultry contains pathogenic bacteria such as roundworm,
Virus and antibiotic residue, conventional biochemical materializing strategy technique are undesirable to the effect of the removal of germ and antibiotic, can only
For being processed into the organic fertilizer of bacterium and antibiotic residue.In addition the 5-7 days compost time needs very big compost place, heap
Fertile low efficiency.And environmental protection equipment investment is huge, and economy is poor, and the environmental improvement for cultivating factory needs a large amount of government subsidy,
It just can be up to standard.
Therefore a kind of device and method for handling feces of livestock and poultry and aquaculture wastewater is needed, the above problem is able to solve.
Summary of the invention
The main object of the present invention is to provide for a kind of device using accelerator processing feces of livestock and poultry and aquaculture wastewater
And method utilizes the electron beam generated by one or more accelerator or the generated X that practices shooting in this method and the device
Ray carries out feces of livestock and poultry and aquaculture wastewater radiation treatment, discharges feces of livestock and poultry and aquaculture wastewater and reaches environmental protection standard, simultaneously
Harmless resource utilization utilization may be implemented, be made into organic fertilizer or sterile animal feed raw material, there is preferable economic benefit, energy
It is enough it is high-efficient, using it is safe, not welding, it is easy to operate in the case where reach to the harmless of feces of livestock and poultry and aquaculture wastewater
Change, the purpose of resource utilization processing.
The purpose of the present invention can reach by using following technical solution:
A kind of device using accelerator processing feces of livestock and poultry and aquaculture wastewater, including irradiation channel, setting are led in the irradiation
Accelerator in road and the conveying device for conveying feces of livestock and poultry and aquaculture wastewater, the conveying device are equipped with carriage
And the conveyer belt for carrying feces of livestock and poultry and aquaculture wastewater, the irradiation channel outside are equipped with for shielding by described for one week
The inside of the shielding construction for the ray that accelerator generates, the irradiation channel is equipped with reflective layer, the feed inlet of the irradiation channel
Equipped with blend stop A, the discharge port of the irradiation channel is equipped with blend stop B, is equipped in the irradiation channel for guaranteeing radiation safety
Safety interlocking facility.
Preferably, the energy of the accelerator is 0.5-10MeV.
Preferably, the ray that the accelerator generates includes electron beam and X-ray.
Preferably, a method of handling feces of livestock and poultry and aquaculture wastewater using accelerator, utilize one or more acceleration
The electron beam or generated X-ray of practicing shooting that device generates carry out radiation treatment to feces of livestock and poultry and aquaculture wastewater, and electron beam is quick
The foul gas NH3 and H2S in feces of livestock and poultry and aquaculture wastewater are decomposed, and removes antibiotic and kills germ, makes to raise
Poultry manure and aquaculture wastewater discharge reach environmental protection standard, realize that harmless resource utilization utilizes, or are made into organic fertilizer or sterile dynamic
Object feedstuff is supplied to growing area.
Preferably, a method of handling feces of livestock and poultry using accelerator, include the following steps:
Step G1: it is stand-by that feces of livestock and poultry is collected into feace storing pool；
Step G2: mixing pretreatment；
Step G3: electron beam treatment；
Step G4: working process.
Preferably, the step of electron beam treatment is as follows: the excrement in feace storing pool is delivered to the conveying device 5
On conveyer belt 6, conveying device 5 is transported excrement and is passed through out of above-mentioned irradiation channel 4, and accelerator 1 is utilized in the irradiation channel 4
It issues electron beam and radiation treatment is carried out to excrement, the energy of accelerator is selected as between 0.5-10MeV.
Preferably, in the step G4, working process includes excrement being processed into feedstuff or organic fertilizer；
The step of being processed into feedstuff is as follows:
Step A4.1: drying and processing is carried out to the excrement after electron beam treatment at low temperature；
Step A4.2: the excrement after drying and processing is sieved and is examined；
Step A4.3: metering storage is stand-by, and feedstuff is made；
The step of being processed into organic fertilizer are as follows:
Step B4.1: formula fermentation in storehouse is carried out to the excrement after electron beam treatment；
Step B4.2: drying and processing is carried out at low temperature to the excrement after the fermentation of storehouse formula；
Step B4.3: being sieved and examined to the excrement after drying and processing, and impurity is removed；
Step A4.4: metering storage is stand-by, and organic fertilizer is made.
Preferably, a method of handling aquaculture wastewater using accelerator, COD, removal are removed by accelerator electron beam
Stink reduces coloration, meets environment-protection wastewater discharge standard, include the following steps:
Step S1: aquaculture wastewater is collected；
Step S2: electron beam treatment；
Step S3: biochemical treatment and materializing strategy are carried out to aquaculture wastewater；
Step S4: harmless treatment or qualified discharge.
Preferably, in step S2, the aquaculture wastewater in tank is delivered on the conveyer belt 6 of above-mentioned conveying device 5, it is defeated
It send device 5 to transport aquaculture wastewater to pass through out of above-mentioned irradiation channel 4, accelerator 1 issues electron beam pair in above-mentioned irradiation channel 4
Aquaculture wastewater carries out electron beam treatment, and the energy of accelerator is selected as 0.5-10MeV.
Preferably, in step S3, removing heavy metals, chemical toxicant and radioactivity noxious material are removed using materializing strategy；Benefit
With biochemical treatment removal bacterium, virus and harmful microorganism.
Advantageous effects of the invention:
1, a kind of device and method using accelerator processing feces of livestock and poultry and aquaculture wastewater provided by the invention, electron beam can have
Imitate deodorization, foul gas such as NH3, H2S in fast decoupled feces of livestock and poultry and aquaculture wastewater.
2, a kind of device and method using accelerator processing feces of livestock and poultry and aquaculture wastewater provided by the invention, effectively goes
Except antibiotic, and it can efficiently kill germ.Animal husbandry excrement by electron beam treatment, subsequent composting efficiency mention significantly
It rises, reduces place and space required for compost.
3, a kind of device and method using accelerator processing feces of livestock and poultry and aquaculture wastewater provided by the invention, electron beam
Aquaculture wastewater is handled, COD can be removed, remove stink, reduce coloration etc., perfection meets environment-protection wastewater discharge standard, and electron beam exists
It handles and is better than other existing processing techniques in the effect and economy of feces of livestock and poultry and aquaculture wastewater, environment examination & approval are fully achieved
Harmless resource utilization utilization may be implemented in standard, animal husbandry excrement after processing, is made into organic fertilizer or sterile animal feed is former
Material has preferable economic benefit.
Detailed description of the invention
Fig. 1 be the device and method according to the invention that feces of livestock and poultry and aquaculture wastewater are handled using accelerator one preferably
The structure chart of the fibre bundle of embodiment.
Such as figure: 1- accelerator, 2- reflective layer, 3- shielding construction, 4- irradiation channel, 5- conveying device, 6- conveyer belt, 41-
Blend stop A, 42- blend stop B.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, below with reference to examples and drawings
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
As shown in Figure 1, the device provided in this embodiment using accelerator processing feces of livestock and poultry and aquaculture wastewater, including spoke
According to channel 4, accelerator 1 and the conveying device 5 for conveying feces of livestock and poultry or aquaculture wastewater are installed in irradiation channel 4, it is defeated
Device 5 is sent to be equipped with the conveyer belt 6 for carrying feces of livestock and poultry or aquaculture wastewater, 4 outside of irradiation channel is equipped with for shielding for one week
Cover the shielding construction 3 of the ray generated by accelerator 1, the inside of irradiation channel 4 is equipped with reflective layer 2, reflective layer 2 can to light beam into
Row reflection improves the utilization rate of electron beam, and the feed inlet of irradiation channel 4 is equipped with blend stop A41, and the discharge port of irradiation channel 4 is equipped with
Blend stop B42, prevents electron beam from leaking outside, and impacts to the environment of surrounding, and conveying device 5 and accelerator 1 interlock, conveying device 5
The accelerator 1 that stops working also stops working, and prevents radiation leakage from having an impact to the vision of surrounding, and accelerator 1 stops working defeated
It send device 5 also to stop working, prevent the not excrement Jing Guo electron beam treatment or aquaculture wastewater and has been subjected to the excrement of electron beam treatment
Just or aquaculture wastewater is admixed together, and the energy of accelerator is selected as between 0.5-10MeV, meets excrement or aquaculture wastewater
The injury of reduction Radiation On Human body while processing intensity as far as possible.
It is provided in this embodiment that feces of livestock and poultry and the innoxious of aquaculture wastewater, resource utilization are handled using accelerator
Method, using the electron beam generated by one or more accelerator or generated X-ray of practicing shooting to feces of livestock and poultry and cultivation
Sewage carries out radiation treatment, discharges feces of livestock and poultry and aquaculture wastewater and reaches environmental protection standard, while innoxious resource may be implemented
Change and utilize, is made into organic fertilizer or sterile animal feed raw material, the evil in electron beam fast decoupled feces of livestock and poultry and aquaculture wastewater
Odour NH3 and H2S, electron beam removes antibiotic, and kills germ, the animal husbandry excrement by electron beam treatment, after
Continuous composting efficiency greatly promotes, and reduces place and space required for compost, and electron beam treatment aquaculture wastewater removes COD, goes
Except stink, coloration is reduced, so that aquaculture wastewater is met environment-protection wastewater discharge standard, solves the problems, such as rural environmental pollution, animal husbandry
Excrement is after electron beam treatment, decontamination of human excreta resource utilization, is made into organic fertilizer or sterile animal feed raw material, animal dung
It will pass through accelerator electron beam technology production organic fertilizer and animal feed be supplied to growing area, comprehensive utilization of resources is turned waste into wealth,
With preferable economic benefit.
In the present embodiment, the step of poultry excrement and urine disposal includes the following steps:
Step G1: feces of livestock and poultry is collected；
Step G2: mixing pretreatment；
Step G3: electron beam treatment；
Step G4: working process.
In the present embodiment, aquaculture wastewater processing includes the following steps:
Step S1: aquaculture wastewater is collected；
Step S2: electron beam treatment；
Step S3: biochemical treatment, materializing strategy are carried out to aquaculture wastewater；
Step S4: harmless treatment or qualified discharge.
In the present embodiment, in step G1, it is stand-by that all feces of livestock and poultry are collected into feace storing pool.
In the present embodiment, in step G3, the excrement in feace storing pool is delivered on the conveyer belt 6 of above-mentioned conveying device 5,
Conveying device 5 is transported excrement and is passed through out of above-mentioned irradiation channel 4, and accelerator 1 issues electron beam to excrement in above-mentioned irradiation channel 4
Just electron beam treatment is carried out.
In the present embodiment, in step G4, the excrement that electron beam treatment is crossed is processed into feedstuff or organic fertilizer, processing
The step of at feedstuff, is as follows:
Step A4.1: drying and processing is carried out to the excrement after electron beam treatment at low temperature；
Step A4.2: screening inspection is carried out to the excrement after above-mentioned steps A4.1 drying and processing, removal impurity leaves usable excrement
Just it is used as feedstuff；
Step A4.3: the feedstuff metering storage after examining to above-mentioned steps A4.2 screening is stand-by,
The step of being processed into organic fertilizer are as follows:
Step B4.1: formula fermentation in storehouse is carried out to the excrement after above-mentioned electron beam treatment；
Step B4.2: drying and processing is carried out at low temperature to the excrement after the fermentation of above-mentioned steps B4.1 storehouse formula；
Step B4.3: screening inspection is carried out to the excrement after above-mentioned steps B4.2 drying and processing, removal impurity leaves usable excrement
Just it is used as organic fertilizer；
Step A4.4: the organic fertilizer metering storage after examining to above-mentioned steps B4.3 screening is stand-by.
In the present embodiment, in step S1, all aquaculture wastewaters are collected into tank for use.
In the present embodiment, in step S2, the aquaculture wastewater in tank is delivered to the conveyer belt of above-mentioned conveying device 5
On 6, conveying device 5 is transported aquaculture wastewater and is passed through out of above-mentioned irradiation channel 4, and accelerator 1 issues electricity in above-mentioned irradiation channel 4
Beamlet carries out electron beam treatment to aquaculture wastewater.
In the present embodiment, in step S3, removing heavy metals, chemical toxicant and radioactivity Toxic are removed using materializing strategy
Matter removes bacterium, virus and harmful microorganism using biochemical treatment.
In conclusion in the present embodiment, accelerator electron beam treatment device provided in this embodiment and utilization accelerate
The method that device electron beam handles feces of livestock and poultry and aquaculture wastewater, using this method and device can it is high-efficient, using it is safe,
Not welding, it is easy to operate in the case where reach to the innoxious of feces of livestock and poultry and aquaculture wastewater, resource utilization processing
Purpose, for this purpose, in this method and the device, using produced by the electron beam or target practice generated by one or more accelerator
X-ray carry out feces of livestock and poultry and aquaculture wastewater radiation treatment, discharge feces of livestock and poultry and aquaculture wastewater and reach environmental protection standard, together
When may be implemented harmless resource utilization utilization, be made into organic fertilizer or sterile animal feed raw material, have preferable economic benefit.
In the present embodiment, accelerator electron beam treatment device provided in this embodiment and utilization accelerator electron beam pair
The method of feces of livestock and poultry and aquaculture wastewater processing, has following advantage:
1, accelerator electron beam treatment device provided in this embodiment and utilization accelerator electron beam are to feces of livestock and poultry and cultivation
The method of sewage treatment, electron beam can effective deodorization, the foul gas such as NH3 in fast decoupled feces of livestock and poultry and aquaculture wastewater,
H2S。
2, accelerator electron beam treatment device provided in this embodiment and using accelerator electron beam to feces of livestock and poultry and
The method of aquaculture wastewater processing, effectively removes antibiotic, and can efficiently kill germ.By the animal husbandry of electron beam treatment
Excrement, subsequent composting efficiency greatly promote, and reduce place and space required for compost.
3, accelerator electron beam treatment device provided in this embodiment and using accelerator electron beam to feces of livestock and poultry and
The method of aquaculture wastewater processing, electron beam treatment aquaculture wastewater can remove COD, remove stink, reduce coloration etc., and perfection meets
Environment-protection wastewater discharge standard, electron beam are better than its existing elsewhere in the effect and economy of processing feces of livestock and poultry and aquaculture wastewater
Reason technology, is fully achieved the standard of environment examination & approval, and harmless resource utilization utilization may be implemented after processing, be made into for animal husbandry excrement
Organic fertilizer or sterile animal feed raw material have preferable economic benefit.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (10)
1. it is a kind of using accelerator processing feces of livestock and poultry and aquaculture wastewater device, which is characterized in that including irradiation channel (4),
Accelerator (1) in the irradiation channel (4) and the conveying device for conveying feces of livestock and poultry and aquaculture wastewater are set
(5), the conveying device (5) is equipped with carriage and the conveyer belt (6) for carrying feces of livestock and poultry and aquaculture wastewater, described
It is equipped with the shielding construction (3) for shielding the ray generated by the accelerator (1), the spoke within one week on the outside of irradiation channel (4)
Reflective layer (2) are equipped with according to the inside of channel (4), the feed inlet of the irradiation channel (4) is equipped with blend stop A(41), the irradiation is logical
The discharge port in road (4) is equipped with blend stop B(42), the irradiation channel (1) is interior to be equipped with for guaranteeing that the safety interlocking of radiation safety is set
It applies.
2. a kind of device using accelerator processing feces of livestock and poultry and aquaculture wastewater as described in claim 1, which is characterized in that
The energy of the accelerator (1) is 0.5-10MeV.
3. a kind of device using accelerator processing feces of livestock and poultry and aquaculture wastewater as described in claim 1, which is characterized in that
The ray that the accelerator (1) generates includes electron beam and X-ray.
4. a kind of method using accelerator processing feces of livestock and poultry and aquaculture wastewater as described in claim 1-3, feature exist
In, the electron beam that is generated using one or more accelerator or X-ray caused by practicing shooting to feces of livestock and poultry and aquaculture wastewater into
Row radiation treatment, foul gas NH3 and H2S in electron beam fast decoupled feces of livestock and poultry and aquaculture wastewater, and removal are anti-
Life is plain and kills germ, discharges feces of livestock and poultry and aquaculture wastewater and reaches environmental protection standard, realizes that harmless resource utilization utilizes, or
It is made into organic fertilizer or sterile animal feed raw material is supplied to growing area.
5. a kind of method using accelerator processing feces of livestock and poultry as shown in claim 4, which is characterized in that including walking as follows
It is rapid:
Step G1: it is stand-by that feces of livestock and poultry is collected into feace storing pool；
Step G2: mixing pretreatment；
Step G3: electron beam treatment；
Step G4: working process.
6. a kind of method using accelerator processing feces of livestock and poultry as claimed in claim 5, which is characterized in that the electron beam
The step of processing, is as follows: the excrement in feace storing pool being delivered on the conveyer belt (6) of the conveying device (5), conveying device (5)
It transports excrement to pass through out of above-mentioned irradiation channel (4), issues electron beam pair using accelerator (1) in the irradiation channel (4)
Excrement carries out radiation treatment, and the energy of accelerator is selected as between 0.5-10MeV.
7. a kind of method using accelerator processing feces of livestock and poultry as claimed in claim 5, which is characterized in that the step G4
In, working process includes excrement being processed into feedstuff or organic fertilizer；
The step of being processed into feedstuff is as follows:
Step A4.1: drying and processing is carried out to the excrement after electron beam treatment at low temperature；
Step A4.2: the excrement after drying and processing is sieved and is examined；
Step A4.3: metering storage is stand-by, and feedstuff is made；
The step of being processed into organic fertilizer are as follows:
Step B4.1: formula fermentation in storehouse is carried out to the excrement after electron beam treatment；
Step B4.2: drying and processing is carried out at low temperature to the excrement after the fermentation of storehouse formula；
Step B4.3: being sieved and examined to the excrement after drying and processing, and impurity is removed；
Step A4.4: metering storage is stand-by, and organic fertilizer is made.
8. a kind of method using accelerator processing aquaculture wastewater as claimed in claim 4, which is characterized in that pass through accelerator
Electron beam removes COD, removes stink, reduces coloration, meets environment-protection wastewater discharge standard, include the following steps:
Step S1: aquaculture wastewater is collected；
Step S2: electron beam treatment；
Step S3: biochemical treatment and materializing strategy are carried out to aquaculture wastewater；
Step S4: harmless treatment or qualified discharge.
9. a kind of method using accelerator processing aquaculture wastewater as claimed in claim 8, which is characterized in that in step S2,
Aquaculture wastewater in tank is delivered on the conveyer belt (6) of above-mentioned conveying device (5), it is dirty that conveying device (5) transports cultivation
Water passes through out of above-mentioned irradiation channel (4), above-mentioned irradiation channel (4) interior accelerator (1) issue electron beam to aquaculture wastewater into
The energy of row electron beam treatment, accelerator is selected as 0.5-10MeV.
10. a kind of method using accelerator processing aquaculture wastewater as claimed in claim 8, which is characterized in that in step S3,
Removing heavy metals, chemical toxicant and radioactivity noxious material are removed using materializing strategy；Using biochemical treatment removal bacterium, virus with
And harmful microorganism.
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| CN111233524A (en) * | 2020-03-30 | 2020-06-05 | 兰州交通大学 | Earthworm compost and solar drying integrated workshop |
| CN112898060A (en) * | 2021-02-07 | 2021-06-04 | 张量 | Processing technology for fermenting human manure into organic fertilizer by using microorganisms |
| CN113185334A (en) * | 2021-05-19 | 2021-07-30 | 东华大学 | Method for preparing organic-inorganic compound fertilizer by quickly decomposing livestock and poultry manure |
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| CN1467184A (en) * | 2002-07-12 | 2004-01-14 | 天津市福运环保设备有限公司 | Method for preparing organic active fertilizer by physical method |
| CN104276731A (en) * | 2009-07-08 | 2015-01-14 | 沙特阿拉伯石油公司 | Wastewater treatment system and process including irradiation of primary solids |
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| CN111233524A (en) * | 2020-03-30 | 2020-06-05 | 兰州交通大学 | Earthworm compost and solar drying integrated workshop |
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| CN113185334A (en) * | 2021-05-19 | 2021-07-30 | 东华大学 | Method for preparing organic-inorganic compound fertilizer by quickly decomposing livestock and poultry manure |
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