CN109467266A - A kind of changing food waste into resources treatment process - Google Patents

A kind of changing food waste into resources treatment process Download PDF

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Publication number
CN109467266A
CN109467266A CN201811441911.2A CN201811441911A CN109467266A CN 109467266 A CN109467266 A CN 109467266A CN 201811441911 A CN201811441911 A CN 201811441911A CN 109467266 A CN109467266 A CN 109467266A
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CN
China
Prior art keywords
changing food
waste water
kitchen garbage
food waste
treatment
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Pending
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CN201811441911.2A
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Chinese (zh)
Inventor
黄安涛
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Changsha Kaitian Institute Of Technology Environmental Protection Service Co Ltd
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Changsha Kaitian Institute Of Technology Environmental Protection Service Co Ltd
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Priority to CN201811441911.2A priority Critical patent/CN109467266A/en
Publication of CN109467266A publication Critical patent/CN109467266A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84Biological processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste or contaminated solids into something useful or harmless
    • B09B3/0083Destroying solid waste or transforming solid waste or contaminated solids into something useful or harmless by means of a thermal treatment, e.g. evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0275Other waste gases from food processing plants or kitchens
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The invention discloses a kind of changing food waste into resources treatment process, pre-process first to the kitchen garbage of collection, including carry out the broken simultaneously thermophilic digestion of sorting to kitchen garbage;Then three phase separation is carried out to pretreated kitchen garbage, isolates crude oil rouge, waste water and solid slag, crude oil rouge is subjected to unified collection;Solid slag addition bacteria agent after three phase separation is subjected to aerobic fermentation and secondary fermentation, after the steam separation that fermentation is generated, water section carries out waste water dis posal discharge together with the waste water that three phase separation obtains, and exhaust gas section carries out exhaust gas disposition discharge.The present invention provides a kind of improved changing food waste into resources treatment process, and the thick grease yield of kitchen garbage greatly improved, and can obtain higher recycling income, while can shorten the period of aerobic fermentation, improve compost quality, realize the near-zero release of peculiar smell waste water.

Description

A kind of changing food waste into resources treatment process
Technical field
The invention belongs to waste control techniques, and in particular to a kind of changing food waste into resources treatment process.
Background technique
Kitchen garbage mainly includes rice, wheaten food class residue, meat, vegetables, bone, melon and fruit peel etc., with starch, food The organic substances such as fiber-like, protein, lipid are main component, while also containing inorganic salts, have high grease, high salt, The features such as high-moisture, high organic content and perishable smelly, easy acidification, easily biological-degradable.Since its nutrient is abundant Feature, therefore be worth with very big recycling.The feature of kitchen garbage is in particular in following several respects:
1, moisture content is high.The moisture content of kitchen garbage is generally attained by 80%~90%, therefore mobility is big, and transport is not Just, it is very easy to leakage, calorific value is lower, and processing method is improper to be easy to produce secondary pollution.
2, high organic content.The high organic contents such as crude fat, crude protein in kitchen garbage, rich in N, P, K, Ca and respectively Kind microelement, developing and utilizingpotentiality are big.
3, oil, the content of salt are higher.Kitchen garbage has the characteristics that high salt, is easily acidified, and wants comprehensive when being handled It closes and considers the factor, to prevent there is the problems such as utilization rate of oil, the inhibition of salt or resource product is low.
4, kitchen garbage is just easy to rot at normal temperature, and germ easy to breed gives rise to diseases.Kitchen garbage Features above show on the one hand utility value with higher, on the other hand must carry out processing appropriate to it, could obtain To the unification of social benefit, economic benefit and environmental benefit.
In view of the above feature, the harm of kitchen garbage is mainly reflected in following several respects:
1, the appearance of the city and living environment are influenced;It is that the character of kitchen garbage itself will affect the vision and smell of people first, separately Outer rubbish is easy to produce the pollution environment such as foul smell, sewage during processing.
2, kitchen garbage is used as feed to keep fowls, and since kitchen garbage easily rots, is transporting and storing process It is middle to generate a large amount of toxin and germ, it be used to will have a direct impact on after feed stripped the health of the mankind.
3, " hogwash fat " derived from by kitchen garbage, easily generation carcinogen --- aflatoxins, it is strong to people's body Health is very harmful.Such as related gutter oil problem, there are about 2,000,000~3,000,000 tons of gutter oils to return to dining table every year, contains in gutter oil A large amount of toxin, once it is edible, then food poisoning can be caused even carcinogenic.
If 4, the waste grease in kitchen garbage and solid residue are discharged into sewer, it is be easy to cause blocking, pollutes environment, very To serious conditions such as initiation sewer pipe explosions.
Mainly have for kitchen garbage processing disposal technology: large and medium-sized centralization aerobic compost, anaerobic digestion, processing system are raised It material, the small-sized aerobic sigestion of fixed-point type, small home compost and is crushed by pulverizer and enters sewer pipe and with sewage merge place The measures such as reason.
Fixed-point type aerobic sigestion: kitchen garbage can be handled directly after generating, and time and the space of storage be reduced, to reduce Because the smelly volume of corruption incurs the possibility of mosquitos and flies, optimize hygienic conditions, reduces secondary pollution in freight and transportational process May, realize that source processing and local use, reduction rate and resource rate are all higher.Therefore fixed-point type aerobic sigestion is also current One of the major way of kitchen garbage processing.
The kitchen garbage of fixed-point type aerobic sigestion at present treatment process is as shown in Figure 1, the technique has following three:
1, common three phase separation cannot well detach grease in kitchen garbage.Because the income of grease compares Height, one ton of 3000 yuan of crude oil rouge market price or more can be improved if can preferably separate the grease in kitchen garbage The resource rate of kitchen garbage brings higher profit to user, while can mitigate in aerobic fermentation grease to strain It influences;
2, common strain is difficult to survive in the kitchen garbage environment of high oil with high salt, influences time and the matter of aerobic fermentation Amount;
3, waste water and exhaust gas are there is no processing well in kitchen garbage treatment process, and externally there is also certain dirts Dye, especially peculiar smell is more serious.
Summary of the invention
Technical problem solved by the present invention is being directed on existing for the above fixed-point type aerobic sigestion kitchen garbage treatment process Problem is stated, a kind of improved changing food waste into resources treatment process is provided.
The present invention adopts the following technical scheme that realization:
A kind of changing food waste into resources treatment process, includes the following steps:
The kitchen garbage of collection is pre-processed first, including the broken simultaneously thermophilic digestion of sorting is carried out to kitchen garbage;
Then three phase separation is carried out to pretreated kitchen garbage, crude oil rouge, waste water and solid slag is isolated, by crude oil rouge Carry out unified collection;
Solid slag addition bacteria agent after three phase separation is subjected to aerobic fermentation and secondary fermentation, the steam that fermentation is generated After separation, water section carries out waste water dis posal discharge together with the waste water that three phase separation obtains, and exhaust gas section carries out exhaust gas disposition row It puts.
Further, the water of kitchen garbage quality 40%-60% is added in the thermophilic digestion process, and heating temperature is in 70- 90 DEG C, heating time 10-20 minute.
Further, the bacteria agent be can be in 55 DEG C of high temperature environment below and high grease and highly-saline Escherichia coli variation strain, the ferment bacterium sufficiently fermented in environment one of adopts standing grain microbial inoculum or a variety of.
Further, before the aerobic fermentation, stalk, rice bran, husk, mushroom are added into the solid slag after three phase separation Slag, sawdust are as auxiliary material, to adjust the moisture in solid slag, C/N content.
Further, waste water is continued through level-one conditioning tank, coagulative precipitation tank, second level and adjusted by the waste water dis posal process Pond, hydrolysis acidification pool, contact-oxidation pool and the pond MBR, the level-one conditioning tank adjust the pH value of waste water, in the coagulative precipitation tank Add PAC, PAM precipitating removal grease and suspended matter, the pH value of second of adjusting water of the second level conditioning tank, the hydrolysis acidification Pond, contact-oxidation pool and the pond MBR carry out biochemical treatment to waste water, COD, ammonia nitrogen, TP pollutant in water removal are removed, after biochemical treatment Discharged wastewater met the national standard.
Further, the hydrolysis acidification pool, contact-oxidation pool and the pond MBR carry out Air Exposure respectively, wherein hydrolysis acid The aeration quantity changed in pond is less than other two ponds.
Further, the coagulative precipitation tank and hydrolysis acidification pool are connect with sludge-tank, collect sludge.
Further, the exhaust gas disposition uses biofiltration process, by kitchen exhaust gas into after overregulating temperature and humidity, into Enter biological processing unit, absorbs the odoring substance in simultaneously waste gas decomposition using the microorganism in biological processing unit, complete exhaust gas Qualified discharge.
Further, the biological processing unit is the internal bacteria bed for being equipped with and covering with the solid carrier of microorganism.
The invention has the following beneficial effects:
1, grease amount of precipitation can be improved in the high-temperature cooking process in the present invention, increases recycling benefits, while giving rear end Aerobic fermentation provides suitable initial temperature.
It 2, can be in the item of medium temperature (35 DEG C) and high temperature (55 DEG C) for the biological inoculum of aerobic fermentation addition in the present invention Under part, sufficiently ferments in high grease (oil content 6%) and the environment of high salt (3% or more mass fraction), relax biology The condition of fermentation improves the ferment effect of strain in harsh environment.
3, the present invention increases waste water treatment process during recycling treatment, to the waste water after kitchen garbage water-oil separating Back-end processing is carried out with condensed water, the perfect treatment process process of entire kitchen garbage makes that sewage direct emission up to standard is discharged And free from extraneous odour.
4, the present invention increases biological filter deodorizing technique during recycling treatment, gives up in kitchen garbage governance process Gas is administered, and realizes free from extraneous odour discharge.
In conclusion kitchen greatly improved the present invention provides a kind of improved changing food waste into resources treatment process Garbage rough grease yield can obtain higher recycling income, while can shorten the period of aerobic fermentation, improve compost product Matter realizes the near-zero release of peculiar smell waste water.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Detailed description of the invention
Fig. 1 is existing kitchen garbage processing technological flow figure in background technique.
Fig. 2 is kitchen garbage processing technological flow figure of the invention in embodiment.
Fig. 3 is the waste water dis posal flow chart in embodiment.
Fig. 4 is the exhaust gas disposal process figure in embodiment.
Specific embodiment
Embodiment
Referring to fig. 2, the kitchen garbage processing technological flow in diagram includes the following steps:
A kind of changing food waste into resources treatment process, includes the following steps:
The kitchen garbage of collection is pre-processed first, it is broken that kitchen garbage first carries out to sorting, remove impurity and Big material in rubbish or the substance progress for being not easy to carry out anaerobic digestion is broken apart, then to the broken kitchen of sorting Rubbish carries out thermophilic digestion, and the specific practice of thermophilic digestion is that the water of kitchen garbage quality 40%-60% is added in digestion process, Heating temperature is at 70-90 DEG C, and the grease in kitchen garbage can be sufficiently precipitated in heating time 10-20 minute in this way, and to rear The aerobic fermentation in face provides initial temperature.
Then three phase separation is carried out to pretreated kitchen garbage, crude oil rouge, waste water and solid slag is isolated, wherein by thick Unified collection meets at qualified producer and is recycled after grease separation, and isolated waste water is discharged into related treatment unit for waste water Carry out waste water dis posal.
By the solid slag addition auxiliary material and bacteria agent progress aerobic fermentation and secondary fermentation after three phase separation, wherein auxiliary material is adopted It is used to adjust the C/N content of material in fermentation process with stalk, rice bran, husk, mushroom residue, sawdust, bacteria agent uses large intestine Escherichia variation strain, ferment bacterium one of adopt standing grain microbial inoculum or a variety of, such strain can be with medium temperature (35 DEG C) and high temperature Under conditions of (55 DEG C), sufficiently sent out in high grease (oil content 6%) and the environment of high salt (3% or more salinity mass fraction) Ferment.After the steam that fermentation is generated is by condensing and separating, the condensation wastewater fraction of generation is together with the waste water that three phase separation obtains Waste water dis posal discharge is carried out, the exhaust gas section of generation carries out exhaust gas disposition row by unified collect to exhaust gas treatment unit of pipeline It puts.Qualified organic fertilizer is formed by the material (free from extraneous odour) that fermenting twice is completed.
Waste water dis posal process uses pretreatment+biochemical treatment+further treatment technique in the present embodiment.Specifically such as institute in Fig. 3 Show, the waste water after water-oil separating enters level-one conditioning tank and the pH value of waste water is adjusted, and being formed is suitable for coagulating sedimentation Environment provides condition for subsequent coagulating sedimentation;The water outlet of level-one conditioning tank enters coagulative precipitation tank, adds into coagulative precipitation tank PAC, PAM be further demulsified, coagulation, precipitating, removes grease and suspended matter, sediment enter sludge-tank;Coagulative precipitation tank Water outlet enters second level conditioning tank and carries out second of adjusting to the pH of waste water, forms the environment of suitable micro-organisms growth, is subsequent Biochemical treatment provides condition;The water outlet of second level conditioning tank subsequently enters hydrolysis acidification pool, contact-oxidation pool and MBR and gives birth to waste water Change processing effectively removes the pollutants such as COD, ammonia nitrogen, TP, the discharge of MBR standard water discharge;Hydrolysis acidification pool, contact-oxidation pool and MBR Air Exposure is carried out in pond, wherein hydrolysis acidification pool aeration quantity is small, guarantees anaerobic environment, has been aerated stirring action, hydrolysis acidification The mud discharging that pond generates is focused on into sludge-tank, and contact-oxidation pool and the pond MBR aeration quantity are big, guarantees aerobic environment.
Exhaust gas disposition in the present embodiment uses biofiltration process Treatment process, specific as shown in figure 4, kitchen exhaust gas passes through After adjusting temperature and humidity, into biological processing unit, biofiltration is to utilize absorption, absorption, digestion of the microorganism to foul smell With the effect of degradation, biological processing unit is used as using bacteria bed in diagram, stacking cultivation on bacteria bed has microorganism Filler, the exhaust gas being collected by covering with the solid packing of microorganism, the odorous substance in exhaust gas first by packing material absorbing, then by Microbiological oxidation on filler is decomposed, and completes the governance process of foul smell, the exhaust gas qualified discharge after improvement.Biology in relation to foul smell Treatment process is common technology, and the microorganism of use can be selected according to specific foul smell type, and the present embodiment is not done herein It repeats.
The technical process of the present embodiment in prior art process and Fig. 2 in Fig. 1 is respectively adopted to two batches phase homogenous quantities Kitchen garbage is handled, and the parameter comparison generated is as follows:
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (9)

1. a kind of changing food waste into resources treatment process, it is characterised in that include the following steps:
The kitchen garbage of collection is pre-processed first, including the broken simultaneously thermophilic digestion of sorting is carried out to kitchen garbage;
Then three phase separation is carried out to pretreated kitchen garbage, isolates crude oil rouge, waste water and solid slag, crude oil rouge is carried out It is unified to collect;
Solid slag addition bacteria agent after three phase separation is subjected to aerobic fermentation and secondary fermentation, the steam that fermentation is generated separates Afterwards, water section carries out waste water dis posal discharge together with the waste water that three phase separation obtains, and exhaust gas section carries out exhaust gas disposition discharge.
2. a kind of changing food waste into resources treatment process according to claim 1, kitchen is added in the thermophilic digestion process The water of rubbish quality 40%-60%, heating temperature is at 70-90 DEG C, heating time 10-20 minute.
3. a kind of changing food waste into resources treatment process according to claim 1, the bacteria agent is can be in middle height Escherichia coli variation strain, the ferment bacterium sufficiently fermented in warm environment and high grease and highly-saline environment adopts standing grain bacterium One of agent is a variety of.
4. a kind of changing food waste into resources treatment process according to claim 3, before the aerobic fermentation, to three phase separation Stalk, rice bran, husk, mushroom residue, sawdust are added in solid slag afterwards as auxiliary material, to adjust the moisture in solid slag, C/N contains Amount.
5. a kind of changing food waste into resources treatment process according to claim 1, the waste water dis posal process connect waste water It is continuous to pass through level-one conditioning tank, coagulative precipitation tank, second level conditioning tank, hydrolysis acidification pool, contact-oxidation pool and the pond MBR, the level-one Conditioning tank adjusts the pH value of waste water, and PAC, PAM precipitating removal grease and suspended matter, the second level are added in the coagulative precipitation tank The pH value of second of adjusting water of conditioning tank, the hydrolysis acidification pool, contact-oxidation pool and the pond MBR carry out biochemical treatment to waste water, Remove COD, the ammonia nitrogen, TP pollutant in water removal, the discharged wastewater met the national standard after biochemical treatment.
6. a kind of changing food waste into resources treatment process according to claim 5, the hydrolysis acidification pool, contact-oxidation pool Air Exposure is carried out respectively with the pond MBR, and wherein the aeration quantity in hydrolysis acidification pool is less than other two ponds.
7. a kind of changing food waste into resources treatment process according to claim 6, the coagulative precipitation tank and hydrolysis acidification Pond is connect with sludge-tank, collects sludge.
8. a kind of changing food waste into resources treatment process according to claim 1, the exhaust gas disposition uses biofiltration Method, into biological processing unit, utilizes the microorganism in biological processing unit by kitchen exhaust gas into after overregulating temperature and humidity The odoring substance in simultaneously waste gas decomposition is absorbed, exhaust gas qualified discharge is completed.
9. a kind of changing food waste into resources treatment process according to claim 8, the biological processing unit set for inside There is the bacteria bed for the solid carrier for covering with microorganism.
CN201811441911.2A 2018-11-29 2018-11-29 A kind of changing food waste into resources treatment process Pending CN109467266A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109940030A (en) * 2019-04-22 2019-06-28 张宏亮 Method for processing kitchen waste
CN110143717A (en) * 2019-04-30 2019-08-20 贵州民族大学 A kind of integrated processing system of house refuse
CN111760871A (en) * 2020-05-14 2020-10-13 浙江青草地环境科技有限公司 On-site treatment method of kitchen waste
CN111842414A (en) * 2020-06-30 2020-10-30 北京中科工匠科技有限公司 Distributed kitchen waste disposal system and method

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KR101235710B1 (en) * 2012-10-02 2013-02-21 코리아워터텍 주식회사 System and method for resource conversion of food waste
CN103739173A (en) * 2014-02-10 2014-04-23 湖南海尚环保投资有限公司 Kitchen wastewater treatment method
CN104384177A (en) * 2014-11-28 2015-03-04 嘉兴溯源生物科技有限公司 Insect treatment system of kitchen waste and method thereof
CN106734100A (en) * 2016-12-28 2017-05-31 徐州方博环保设备有限公司 A kind of animal innocent treatment equipment
CN108002871A (en) * 2017-09-22 2018-05-08 浙江海洋大学 A kind of method that rubbish from cooking makes green fertilizer material
CN108620421A (en) * 2018-07-02 2018-10-09 浙江华庆元生物科技有限公司 A kind of restaurant garbage treating system

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Publication number Priority date Publication date Assignee Title
KR101235710B1 (en) * 2012-10-02 2013-02-21 코리아워터텍 주식회사 System and method for resource conversion of food waste
CN103739173A (en) * 2014-02-10 2014-04-23 湖南海尚环保投资有限公司 Kitchen wastewater treatment method
CN104384177A (en) * 2014-11-28 2015-03-04 嘉兴溯源生物科技有限公司 Insect treatment system of kitchen waste and method thereof
CN106734100A (en) * 2016-12-28 2017-05-31 徐州方博环保设备有限公司 A kind of animal innocent treatment equipment
CN108002871A (en) * 2017-09-22 2018-05-08 浙江海洋大学 A kind of method that rubbish from cooking makes green fertilizer material
CN108620421A (en) * 2018-07-02 2018-10-09 浙江华庆元生物科技有限公司 A kind of restaurant garbage treating system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109940030A (en) * 2019-04-22 2019-06-28 张宏亮 Method for processing kitchen waste
CN110143717A (en) * 2019-04-30 2019-08-20 贵州民族大学 A kind of integrated processing system of house refuse
CN111760871A (en) * 2020-05-14 2020-10-13 浙江青草地环境科技有限公司 On-site treatment method of kitchen waste
CN111842414A (en) * 2020-06-30 2020-10-30 北京中科工匠科技有限公司 Distributed kitchen waste disposal system and method

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