CN106905048A - Using the Food waste treatment method and kitchen waste compost conditioner of spent bleaching clay - Google Patents
Using the Food waste treatment method and kitchen waste compost conditioner of spent bleaching clay Download PDFInfo
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- CN106905048A CN106905048A CN201710177582.4A CN201710177582A CN106905048A CN 106905048 A CN106905048 A CN 106905048A CN 201710177582 A CN201710177582 A CN 201710177582A CN 106905048 A CN106905048 A CN 106905048A
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- compost
- bleaching clay
- spent bleaching
- treatment method
- matrix
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
-
- 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
- C05G3/80—Soil conditioners
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses the Food waste treatment method and compost conditioner of a kind of utilization spent bleaching clay, the method includes that spent bleaching clay, agriculture and forestry organic waste material, complex micro organism fungicide, surfactant are mixed and carry out compost fermentation by (1) and obtains matrix of becoming thoroughly decomposed, and complex micro organism fungicide is that whiterot fungi, bacillus megaterium, mucor are 2~7 according to bacterium powder mass ratio：1~5：1~5 combination for constituting, the charged material weight ratio of spent bleaching clay, agriculture and forestry organic waste material, complex micro organism fungicide and surfactant is 75~110：47~70：0.01~0.25:0.01~0.05；(2) kitchen garbage is mixed and carries out compost with matrix of becoming thoroughly decomposed and obtain the compost product that can be made into organic fertilizer and/or soil conditioner.The inventive method can be reduced and significantly improve kitchen waste compost generation foul smell situation, accelerate compost speed, improve compost quality, and compost product is adapted as organic fertilizer or soil conditioner, realizes resource reutilization.
Description
Technical field
The present invention relates to the changing waste into resources direction in environmental area, and in particular to a kind of Food waste treatment method and heap
Fertile conditioner.
Background technology
Kitchen garbage is the main component of domestic waste.With the development of catering industry, food materials selected by people are more next
Finer, the total amount of kitchen garbage is into sustainable growth trend.The current main processing mode of kitchen garbage has directly landfill etc.
Secondary processing mode and compost fermentation etc. are converted into the secondary Land use systems of regenerated resources.Because kitchen garbage is nutritious, ash content
Few, with compared with high-moisture percentage, a large amount of kitchen garbages are directly filled would generally produce influence to the stability of refuse landfill, produce
Certain potential safety hazard, also result in the waste of resource.Compost treatment kitchen garbage is a kind of current treatment side more praised highly
Formula, which not only can very well reduce influence of the kitchen garbage to environment, can also realize the recycling of resource, be formed with
Machine fertilizer, for agricultural improvement soil etc..But generally produced along with foul smell such as hydrogen sulfide, ammonia in kitchen waste compost process, this
Not only the environment in influence compost place, also makes compost nitrogen loss serious.
Spent bleaching clay refers to for the waste material after the atlapulgite use decolourized in modern oil and fat refining process.Its main component
It is bentonite, neutral grease, pigment etc..Because bleaching earth adsorption ability is stronger, usual spent bleaching clay fat content 20%~40%,
Even if spent bleaching clay to be squeezed recovery oil plant again, its oil content is still 10% or so.If such spent bleaching clay cannot be timely
Treatment, it is likely that fire can be triggered, unnecessary loss is caused, while also polluting the environment.Even if advocating resources circulation profit
Today, the recycling of spent bleaching clay is also only comprehensively utilized in the fraction industry such as agricultural, chemical industry, environment.
Patent CN102030569B is disclosed and assisted fermentation agent is preferably added in the fermentation process of organic waste, as
Assisted fermentation agent can enumerate such as spent bleaching clay and polysaccharide catabolic enzyme, wherein when processing animal manure class organic waste, it is excellent
Choosing mixes spent bleaching clay as needed, when being processed for swill, preferred mixing polysaccharide class catabolic enzyme as needed.This is special
Profit is not regarded as that spent bleaching clay is suitable to swill treatment, and actually passing present inventor's research has shown that, such as by spent bleaching clay
Directly it is mixed in swill fat content fermentation raw material higher that to carry out fermentation process really impracticable, adds spent bleaching clay also
It is found that composting process and compost quality can be delayed, this is probably that the hydrophobic structure of grease in spent bleaching clay can constitute local anaerobic ring
Border, causes aerobic microbiological to obtain adequate nutrients, influences composting process and compost quality.Use described in aforementioned patent
The method that polysaccharide catabolic enzyme carrys out assisted fermentation swill is although feasible, but relatively costly, and can not realize spent bleaching clay
The utilization of resources.
The content of the invention
An object of the present invention is to overcome the deficiencies in the prior art to provide a kind of kitchen garbage of utilization spent bleaching clay to process
Method, the method can reduce the wasting of resources, improve kitchen waste compost and produce foul smell situation, accelerate compost speed, improve heap
Fertile quality.
The second object of the present invention is to provide the compost conditioner of kitchen waste compost treatment.
To achieve the above object, a kind of technical scheme that the present invention takes is as follows for the present invention：
A kind of Food waste treatment method of utilization spent bleaching clay, the method comprises the following steps：(1) by spent bleaching clay, agricultural
Discarded object, complex micro organism fungicide, surfactant mix and carry out compost fermentation and obtain to become thoroughly decomposed matrix, the complex microorganism
Microbial inoculum is that whiterot fungi, bacillus megaterium, mucor are 2~7 according to bacterium powder mass ratio：1~5：1~5 combination for constituting, it is described
The charged material weight ratio of spent bleaching clay, agriculture and forestry organic waste material, complex micro organism fungicide and surfactant is 75~110：47~70：
0.01~0.25:0.01~0.05；(2) kitchen garbage is mixed and carries out compost acquisition with matrix of becoming thoroughly decomposed and can be made into organic fertilizer
And/or the compost product of soil conditioner.
According to the present invention, the spent bleaching clay or spent bleaching clay that spent bleaching clay is directly obtained after being decolourized for edible oil are squeezed carry again
Remaining spent bleaching clay after oil.It is preferred that the oil content of the spent bleaching clay for using is 5wt%~15wt% (mass content).
According to the present invention, stalk and/or ornamental plant of the agriculture and forestry organic waste material as produced by agricultural planting wither naturally
Fall or the plant residue produced by manually pruning is (mainly including rice straw, straw, maize straw, leaf, grass cuttings, the residual branch pruned
Deng) obtain after crushing, particle diameter is less than or equal to 3cm.
According to the present invention, the surfactant is preferably biodegradable nonionic surfactant, specifically such as fat
Fat alcohol APEO AEO series of surfactants.
Preferably, in step (1), the complex micro organism fungicide is whiterot fungi, bacillus megaterium, mucor according to bacterium
Powder mass ratio is 3~6：2~4：1 combination for constituting.
Preferably, the charged material weight ratio of the spent bleaching clay, agriculture and forestry organic waste material, complex micro organism fungicide and surfactant
It is 90~100：50~60：0.08~0.15:0.01.
Preferably, the living bacteria count of the bacterium powder be respectively 200~50,000,000,000/gram.Bacterium powder can be directly by fungi preservation
Unit is bought.
Preferably, compost method is in step (1)：Spent bleaching clay, agriculture and forestry organic waste material, complex micro organism fungicide, surface are lived
Property agent mixing, regulation water content be 40~48%, regulation C/N be 21.8~24.4；Compost fermentation at room temperature, uninterrupted turning,
25~40 DEG C of heap body internal temperature is maintained, 18~48h of the temperature is maintained；Air drying to moisture content is not more than 20%, obtains final product corruption
Ripe matrix.
It is further preferred that methods described is additionally included in step (1), and step (2) forward direction to become thoroughly decomposed and add phosphoric acid in matrix afterwards
Calcium, iron chloride and pH adjusting agent, mix to obtain kitchen waste compost conditioner, wherein matrix of becoming thoroughly decomposed, calcium phosphate, calcium phosphate, chlorination
The weight ratio of iron and pH adjusting agent is 79~92：2~8：0.5~3：3~10.Preferably, pH adjusting agent is neutral or alkaline pH
Conditioning agent, is particularly preferred as plant ash, soda ash or quick lime etc..It is further preferred that pressing kitchen waste compost conditioner with meal
The weight ratio of kitchen rubbish is 0.7~1.2:1 is fed intake.
Preferably, step (2) uses aerobic composting process, is embodied as follows：Kitchen garbage is filtered first unnecessary
Moisture, the object that will wherein be not easily decomposed and crush (such as plastics, big bone etc.) is rejected, crushing material to particle diameter is less than etc.
In 3cm, then kitchen waste compost conditioner is mixed with kitchen garbage, stirred, regulation moisture content of material is 50%
~60%；Regulation C/N is 20~30；Regulation pH is 7~8, carries out compost, and compost temperature control is no more than 70 DEG C, takes secondary
Fermentation method, wherein one time fermentation cycle be 5~10d (my god), the secondary fermentation cycle be 13~45d (my god).
Preferably, the secondary fermentation cycle is 18-25d.
The present invention a kind of kitchen waste compost conditioner is also provided, in parts by weight, its include 79~92 parts of matrix of becoming thoroughly decomposed,
2~8 parts of calcium phosphate, 0.5~3 part of iron chloride, neutral and/or 3~10 parts of alkaline pH adjusting agent, the matrix as above institute of becoming thoroughly decomposed
State.Neutral and/or alkaline pH adjusting agent is specifically as follows plant ash, soda ash or quick lime etc..
Due to the implementation of above technical scheme, the present invention has the advantages that compared with prior art：
The method have the characteristics that by spent bleaching clay, the abundant recycling of agriculture and forestry organic waste material, for making kitchen garbage heap
Fertile conditioner；Spent bleaching clay, agriculture and forestry organic waste material become thoroughly decomposed can not only reduce in addition raw material a large amount of grease, celluloses to compost in advance
Influence, and a large amount of greases, cellulolytic enzyme that the process microorganism produces also are to speed up compost speed, improve compost quality
The important substance of stability；The characterization of adsorption of main raw material(s) in conditioner, the solidification of trace element is made full use of to drop
The volatile quantity of foul smell in low compost, reduces nitrogen loss, improves compost quality.In the selection of microorganism, whiterot fungi is mainly used
Decomposed in lignin, but because it is easily influenceed in complex environment by other microorganisms and environment, therefore, by compounding and
The small mucor of whiterot fungi growth effect is used for grease in system and decomposes, and improves the stability of system.Study simultaneously and find, it is huge
The compounding of bacillus can greatly improve the decomposition efficiency of grease, have facilitation to whiterot fungi and Mucor bacteria growing, have
Improved beneficial to composting substrate quality.The addition of surfactant can effectively improve the dispersiveness of grease in formula, improve grease
Degradation efficiency, make spent bleaching clay ratio increase, improve deodorizing effect and coordinate other microbial inoculums reach nitrogen fixation effect.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described in detail, and unreceipted condition is in embodiment
The conventional condition in this area.When the consumption or dosage or content of material is addressed, unless stated otherwise, weight is referred both to.
Embodiment 1
This example provides a kind of kitchen waste compost conditioner, and its composition of raw materials is：85 parts of matrix of becoming thoroughly decomposed, 5 parts of calcium phosphate, chlorine
Change 2 parts of iron, 8 parts of plant ash.
The preparation method of kitchen waste compost conditioner is as follows：
(1) matrix of becoming thoroughly decomposed is prepared：By spent bleaching clay, agriculture and forestry organic waste material, complex micro organism fungicide, surfactant (AEO-9)
In proportion 100：50：0.1：0.01 mixing, regulation water content is for about 45%, and regulation C/N is for about 23；Compost fermentation at room temperature, no
Interruption turning, maintains 25~45 DEG C of heap body internal temperature, maintains temperature 48h；Normal temperature dries to moisture content be not more than rapidly
20%, matrix of becoming thoroughly decomposed is obtained final product, wherein complex micro organism fungicide is whiterot fungi, bacillus megaterium, mucor according to bacterium powder quality
Than being 5：3：1 combination for constituting, the living bacteria count of strain conidia powder is respectively 300~35,000,000,000/gram, wherein huge gemma bar
Bacterium is purchased from Beijing middle peasant's natural resources biotechnology Co., Ltd, and whiterot fungi and mucor strain source are in Chinese industrial microorganism
Culture presevation administrative center；
(2) will become thoroughly decomposed matrix, calcium phosphate, iron chloride and plant ash by formula rate mixing obtain final product kitchen waste compost nurse one's health
Agent.
Embodiment 2
This example provides a kind of kitchen waste compost conditioner, its substantially with embodiment 1, unlike, spent bleaching clay, agricultural are given up
The ratio of gurry, complex micro organism fungicide and surfactant is 90：60：0.1：0.01.
Embodiment 3
This example provides a kind of kitchen waste compost conditioner, its substantially with embodiment 1, unlike, spent bleaching clay, agricultural are given up
The ratio of gurry, complex micro organism fungicide and surfactant is 80：70：0.1：0.01.
Embodiment 4
This example provides a kind of kitchen waste compost conditioner, its substantially with embodiment 1, unlike, kitchen waste compost
The composition of raw materials of conditioner is：92 parts of matrix of becoming thoroughly decomposed, 2 parts of calcium phosphate, 3 parts of iron chloride, 3 parts of plant ash.
Embodiment 5~8
The kitchen waste compost conditioner of embodiment 1~4 is respectively adopted, compost treatment is carried out to kitchen garbage, step is such as
Under：
1. kitchen garbage is filtered into unnecessary moisture first, wherein plastics, big bone etc. will be not easily decomposed and be picked with crushed material
Remove, by crushing material, particle diameter is less than or equal to 3cm；
2. compost conditioner and kitchen garbage are pressed 1:1 ratio mixes, and stirs；
3. regulation moisture content of material is 50%~60% (filtering water in can using step 1. to be adjusted)；Regulation C/N
For about 25；Regulation pH is for about 7.6；
4. compost uses aerobic composting process, and ventilation and stirring are noted in composting process, and compost temperature should control to be no more than
70℃；The one time fermentation cycle is 6d, and the secondary fermentation cycle is 20d；
5. the compost can be made by organic fertilizer, soil conditioner etc. according to compost final product.
Situations such as observation embodiment 5~8 and corresponding control group gained composting process produce foul smell, and it is organic to compost product
Matter is tested with total nitrogen content, as a result referring to table 1.The result of table 1 shows that the inventive method can be reduced and significantly improve kitchen rubbish
Rubbish compost produces foul smell situation, accelerates compost speed, improves compost quality, and compost product is adapted as organic fertilizer or soil improvement
Agent, realizes resource reutilization.
The compost foul smell yield of table 1, rotten degree and organic matter, total nitrogen content situation
Note：
● control group 1-6 is the control group of embodiment 5, control group 1 only with kitchen waste compost, without conditioner,
Compost time consistency；Control group 2,3 only adds the complex micro organism fungicide and spent bleaching clay of respective amount as conditioner respectively；Control
Group 4 in only with complex micro organism fungicide it is different from embodiment 5, its complex micro organism fungicide be whiterot fungi, mucor according to
Bacterium powder mass ratio is 5：1 combination for constituting；Composting process is different from embodiment 5 in control group 5, and it is and direct without becoming thoroughly decomposed in advance
By whole raw materials directly with kitchen garbage hybrid composting；Surfactant is free of in compost conditioner in control group 6.
● odor concentration represents that generation odor concentration is bigger in the more expression composting process of symbol with "+"；
Rotten degree is measured with Polythene Bag method, and specific method loads Polythene Bag to take 100g compost product, drives air away
After seal sack, 25 DEG C of placement 3d produce gas flow in measurement bag, and "+" is more, and gas burst size is bigger, does not become thoroughly decomposed completely, nothing
"+" represented and become thoroughly decomposed completely.
Claims (10)
1. a kind of Food waste treatment method of utilization spent bleaching clay, it is characterised in that the method comprises the following steps：(1) will be useless
Carclazyte, agriculture and forestry organic waste material, complex micro organism fungicide, surfactant mix and carry out compost fermentation and obtain to become thoroughly decomposed matrix, described
Complex micro organism fungicide is that whiterot fungi, bacillus megaterium, mucor are 2~7 according to bacterium powder mass ratio：1~5：1~5 is constituted
Combination, the charged material weight ratio of the spent bleaching clay, agriculture and forestry organic waste material, complex micro organism fungicide and surfactant for 75~
110：47~70：0.01~0.25:0.01~0.05；(2) mixing and carry out compost acquisition kitchen garbage with matrix of becoming thoroughly decomposed can
It is made the compost product of organic fertilizer and/or soil conditioner.
2. the Food waste treatment method of utilization spent bleaching clay according to claim 1, it is characterised in that the spent bleaching clay
Oil content is 5wt%~15wt%；Stalk and/or ornamental plant nature of the agriculture and forestry organic waste material as produced by agricultural planting
Wither and fall or manually prune produced plant residue and obtain after crushing, particle diameter is less than or equal to 3cm.
3. the Food waste treatment method of utilization spent bleaching clay according to claim 1, it is characterised in that the surface-active
Agent is biodegradable nonionic surfactant.
4. the Food waste treatment method of utilization spent bleaching clay according to claim 1, it is characterised in that heap in step (1)
Fertile method is：By spent bleaching clay, agriculture and forestry organic waste material, complex micro organism fungicide, surfactant mix, regulation water content be 40~
48%, regulation C/N is 21.8~24.4；Compost fermentation, uninterrupted turning, maintain 25~45 DEG C of heap body internal temperature at room temperature,
Maintain 18~48h of the temperature；Air drying to moisture content is not more than 20%, obtains final product matrix of becoming thoroughly decomposed.
5. the Food waste treatment method of the utilization spent bleaching clay according to any one of Claims 1-4 claim, it is special
Levy and be, in step (1), the complex micro organism fungicide is whiterot fungi, bacillus megaterium, mucor according to bacterium powder mass ratio
It is 3~6：2~4：1 combination for constituting.
6. the Food waste treatment method of the utilization spent bleaching clay according to any one of Claims 1-4 claim, it is special
Levy and be, the charged material weight ratio of the spent bleaching clay, agriculture and forestry organic waste material, complex micro organism fungicide and surfactant for 90~
100：50~60：0.08~0.15:0.01.
7. the Food waste treatment method of utilization spent bleaching clay according to claim 1, it is characterised in that methods described is also wrapped
Include in step (1) that step (2) forward direction becomes thoroughly decomposed calcium phosphate, iron chloride and pH adjusting agent are added in matrix afterwards, mix to obtain kitchen garbage
Compost conditioner, wherein the weight ratio of matrix of becoming thoroughly decomposed, calcium phosphate, iron chloride and pH adjusting agent is 79~92：2~8：0.5~3：3
~10.
8. the Food waste treatment method of utilization spent bleaching clay according to claim 7, it is characterised in that in step (2), will
Kitchen waste compost conditioner is 0.7~1.2 with kitchen garbage by weight:1 is fed intake.
9. the Food waste treatment method of the utilization spent bleaching clay according to claim 7 or 8, it is characterised in that step (2) is adopted
With aerobic composting process, it is embodied as follows：Kitchen garbage is filtered into unnecessary moisture first, will be wherein not easily decomposed and be crushed
Object reject, by crushing material to particle diameter be less than or equal to 3cm, then kitchen waste compost conditioner and kitchen garbage are mixed
Close, stir, regulation moisture content of material is 50%~60%；Regulation C/N is 20~30；Regulation pH is 7~8, carries out heap
Fertilizer, compost temperature control is no more than 70 DEG C, takes secondary fermentation mode, and the wherein one time fermentation cycle is 5~10d, secondary fermentation
Cycle is 13~45d.
10. a kind of kitchen waste compost conditioner, it is characterised in that：In parts by weight, comprising 79~92 parts of matrix, the phosphoric acid of becoming thoroughly decomposed
2~8 parts of calcium, 0.5~3 part of iron chloride, neutral and/or 3~10 parts of alkaline pH adjusting agent, the matrix such as claim 1 of becoming thoroughly decomposed
Any one of 6.
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| CN201710177582.4A CN106905048A (en) | 2017-03-23 | 2017-03-23 | Using the Food waste treatment method and kitchen waste compost conditioner of spent bleaching clay |
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ID=59194658
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902861A (en) * | 2019-11-21 | 2020-03-24 | 杭州银江环保科技有限公司 | Kitchen waste treatment and resource utilization method and treatment system |
| CN113402312A (en) * | 2021-06-23 | 2021-09-17 | 兰州大学 | Nano composite catalyst, device and method for treating agricultural wastes |
| CN113716989A (en) * | 2021-07-28 | 2021-11-30 | 安徽国祯环卫科技有限公司 | Complex enzyme preparation for kitchen waste compost and preparation and application method thereof |
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| JPS5998724A (en) * | 1982-11-30 | 1984-06-07 | ▲は▼生田 徳之 | Granulation method |
| CN101948337A (en) * | 2010-09-02 | 2011-01-19 | 浙江大学 | Perishable organic garbage degrading bactericide carrier |
| CN102030569A (en) * | 2009-09-25 | 2011-04-27 | 中部埃科特克株式会社 | Fermenting and drying treatment device for organic wastes |
-
2017
- 2017-03-23 CN CN201710177582.4A patent/CN106905048A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5998724A (en) * | 1982-11-30 | 1984-06-07 | ▲は▼生田 徳之 | Granulation method |
| CN102030569A (en) * | 2009-09-25 | 2011-04-27 | 中部埃科特克株式会社 | Fermenting and drying treatment device for organic wastes |
| CN101948337A (en) * | 2010-09-02 | 2011-01-19 | 浙江大学 | Perishable organic garbage degrading bactericide carrier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902861A (en) * | 2019-11-21 | 2020-03-24 | 杭州银江环保科技有限公司 | Kitchen waste treatment and resource utilization method and treatment system |
| CN113402312A (en) * | 2021-06-23 | 2021-09-17 | 兰州大学 | Nano composite catalyst, device and method for treating agricultural wastes |
| CN113716989A (en) * | 2021-07-28 | 2021-11-30 | 安徽国祯环卫科技有限公司 | Complex enzyme preparation for kitchen waste compost and preparation and application method thereof |
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