CN1858027A - Method for changing kitchen garbage into fertilizer - Google Patents
Method for changing kitchen garbage into fertilizer Download PDFInfo
- Publication number
- CN1858027A CN1858027A CNA2005100345277A CN200510034527A CN1858027A CN 1858027 A CN1858027 A CN 1858027A CN A2005100345277 A CNA2005100345277 A CN A2005100345277A CN 200510034527 A CN200510034527 A CN 200510034527A CN 1858027 A CN1858027 A CN 1858027A
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- rubbish
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- fertilizer
- earthworm
- water content
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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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- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The process of changing kitchen garbage into fertilizer includes the following steps: adding water to soak kitchen garbage, eliminating salt, sugar, water and oil, sorting out non-degradable organic matter and crushing to 2 cm size; adding supplementary material to regulate size, humidity and C/N ratio, stoving to water content of about 70%, and adding deodorizing zymophyte; stacking to ferment, turning to maintain the temperature below 75 deg.c and water content of about 30 %; crushing, filtering, low temperature stoving to water content of 20 % to produce common fertilizer. The fertilizer may be further treated with earthworm to produce high grade natural fertilizer. The said process change waste into fertilizer and can reduce environmental pollution.
Description
Technical field
The present invention relates to a kind of rubbish from cooking is converted into the method for fertilizer, belong to the technical field of environment and recycling.
Background technology
At present, the method for handling rubbish from cooking both at home and abroad seldom, great majority are collected with other domestic garbage mixing, based on landfill, also have adopt bank up, normal temperature compost, anaerobically fermenting and burning.The subject matter that the rubbish from cooking landfill exists is not only to waste a large amount of resources, also produces stench, percolate etc.The mode that adopts the mixed collection rubbish from cooking to raise pigs, wherein poisonous and hazardous composition is introduced directly in the food chain, to the influence of the healthy generation of resident, has been proved to be infeasible behavior, necessary firm prevention.
Summary of the invention
The object of the present invention is to provide a kind of rubbish from cooking to be converted into the method for fertilizer, turn waste into wealth, avoid the rubbish from cooking contaminate environment and influence the resident healthy.
For reaching above-mentioned purpose, solution of the present invention is:
The first step, non-inorganicss such as the chopsticks that difficulty is decomposed, refuse bag, vial, jar are slightly picked out earlier, by add water, clean bubble, stir rubbish from cooking removed salinity and sugar after, utilize drier to dry and remove moisture and oil content, non-inorganics is fine picks out for the refuse bag that difficulty is decomposed, shell etc. again, and then rubbish from cooking being crushed to diameter is 2 ± 0.1cm size particles;
Second step, add auxiliary materials such as water lettuce, dried pig manure, mushroom soil, tealeaf residue in the rubbish from cooking after pulverizing, rubbish from cooking and auxiliary material mixed in 2: 1 ratio proportioning adjust fineness degree to 3 ± 1cm, humidity is 85-90%, C/N is than being 30-35, make moisture be reduced to 70% ± 5% by oven dry, simultaneously the mixed that the mixture and the deodorizing fermentative microflora (as chikashin-21, being called for short CK-21) of rubbish from cooking and auxiliary material are pressed 33: 1;
The 3rd step, compost fermentation; Utilize deodorizing fermentative microflora heap fermentation to heat up, measure by thermometer, wet bulb thermometer, stir by stack turner and in time to adjust control and pile up temperature, the temperature of accumulation is controlled at below 75 ℃, the temperature of utilizing fermentation to produce makes the organism moisture evaporation, by being thereby that 15 ± 3 days fermentation reduces to 30% ± 5% piling up organic water content, until fermenting-ripening;
The 4th step, the stores behind the fermenting-ripening by pulverizes, sieve, oven drying at low temperature to water content is 20%, pack again biological organic fertilizer.
Above-mentioned the 4th step further can be, stores behind the fermenting-ripening is by pulverizing, tiling is gone in the earthworm reactor, bait as earthworm is handled for earthworm, utilize thermometer, wet bulb thermometer monitoring, adjust the best survival condition of earthworm, utilize the wormcast collector of earthworm reactor to collect wormcast by the ventilative interpolation moisture that reaches of turning, by oven drying at low temperature to water content is 20%, promptly makes the high-quality biological organic fertilizer.
Behind the employing aforesaid method, the present invention utilizes earthworm efficiently to transform rubbish from cooking, can not only change over because rubbish from cooking brings smoked day of stench and the living old looks of percolate crossing current, germ and harmful microorganism evil that rubbish is filled out the field; Prevent that " rubbish pig ", " sewer oil " from bringing social harm; And earthworm consumes rubbish from cooking, wormcast is developed serial fertilizer, has to prevent soil disease and the function of improving the soil, and has the needs of protection environment and the development of promotion husbandry concurrently; Wormcast is emerging product as the exploitation of soil improvement agent and earthworm biochemical products, has extremely strong marketable value in future.
In a word, the present invention is converted into bio-organic fertilizer to a large amount of organic matters, plant nutrient, energy substance contained in the rubbish from cooking by biologic treating technique, efficiently solve the rubbish from cooking pollution and improve city environmental pollution, improved the healthy of resident, realized that simultaneously the rubbish from cooking resource turns to agricultural the fine soil improvement agent is provided.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Cooperate shown in Figure 1ly, concrete conversion process of the present invention is:
Earlier the rubbish from cooking unification is transported to the disposal center, foreign material such as the chopsticks that exist in the rubbish from cooking, refuse bag, shell, vial, jar are carried out rough segmentation to be chosen, add water, clean bubble again, stir salinity and the sugar removed in the rubbish from cooking, then, solid-liquid separation is carried out in drying, remove moisture and oil content, non-inorganics is fine picks out with the difficult refuse bag that decomposes in the rubbish from cooking etc. again, and then rubbish from cooking being crushed to diameter is 2 ± 0.1cm size particles.
Then, add water lettuce in the rubbish from cooking after pulverizing, dried pig manure, mushroom soil, auxiliary materials such as tealeaf residue, the blending ratio of rubbish from cooking and auxiliary material is 2: 1, by adding water lettuce, tealeaf residue, mushroom residue, dried pig manures etc. carry out proportioning to be mixed, adjust fineness degree to 3 ± 1cm, humidity is 85-90%, C/N is than being 30-35, C/N is good than with 15-30, by oven dry moisture is reduced to about 70%, the mixed that the mixture and the deodorizing fermentative microflora (CK-21) of rubbish from cooking and additive are pressed 33: 1 had both prevented odor pollution simultaneously, quickened the rubbish from cooking fermenting process again.
Then, the rubbish from cooking of having mixed additive, deodorizing fermentative microflora is carried out compost fermentation.Utilize and pile up the fermentation that heats up, in time adjust humidity and temperature by thermometer, wet bulb thermometer, regularly stir by stack turner and in time to adjust control and pile up temperature. the temperature of accumulation is controlled at below 75 ℃, the temperature of utilizing fermentation to produce makes the organism moisture evaporation, thereby reduce to 30% ± 5% piling up organic water content by the fermentation that is about two weeks, until fermenting-ripening, edible to do earthworm.
At last, stores behind the fermenting-ripening is passed through to pulverize, the earthworm reactor is gone in tiling, handle for earthworm, like this, the biological function of earthworm and the effect of machinery are combined, utilize thermometer, wet bulb thermometer is strengthened the monitoring to environmental factor in the reactor, ventilative and the interpolation moisture by turning, guarantee the main physical index, chemical index and Biological indicators are the best survival conditions that are fit to earthworm movement, produce wormcast after the edible bait of earthworm, utilize the wormcast collector of earthworm reactor to collect wormcast, by oven drying at low temperature to water content is 20%, promptly makes the high-quality fertilizer.
If with the stores behind the fermenting-ripening is 20% by pulverizing, filtration, oven drying at low temperature to water content directly, again the packing, bio-organic fertilizer.
CK-21 deodorizing fermentative microflora as herein described is to be produced by the scientific and technological strain scholar of Japanese stone ball commercial firm to provide, and is known bacterial classification.
Claims (3)
1, rubbish from cooking is converted into the method for fertilizer, it is characterized in that:
The first step, the non-inorganics that difficulty is decomposed is slightly picked out earlier, by add water, clean bubble, stir rubbish from cooking removed salinity and sugar after, utilize drier to dry and remove moisture and oil content, with fine the picking out of non-inorganics of difficulty decomposition, then rubbish from cooking being crushed to diameter is 2 ± 0.1cm size particles again;
Second step, add auxiliary material in the rubbish from cooking after pulverizing, rubbish from cooking and auxiliary material mixed in 2: 1 ratio proportioning adjust fineness degree to 3 ± 1cm, humidity is 85-90%, C/N is than being 30-35, make moisture be reduced to 70% ± 5% by oven dry, simultaneously the mixed that the mixture and the deodorizing fermentative microflora of rubbish from cooking and auxiliary material are pressed 33: 1;
The 3rd step, compost fermentation; Utilize deodorizing fermentative microflora heap fermentation to heat up, measure by thermometer, wet bulb thermometer, stir by stack turner and in time to adjust control and pile up temperature, the temperature of accumulation is controlled at below 75 ℃, the temperature of utilizing fermentation to produce makes the organism moisture evaporation, by being thereby that 15 ± 3 days fermentation reduces to 30% ± 5% piling up organic water content, until fermenting-ripening;
The 4th step, the stores behind the fermenting-ripening by pulverize, oven drying at low temperature to water content is 20%, again packing biological organic fertilizer.
2, according to claim 1 rubbish from cooking is converted into the method for fertilizer, it is characterized in that: auxiliary material is water lettuce, dried pig manure, mushroom soil or tealeaf residue in second step.
3, according to claim 1 rubbish from cooking is converted into the method for fertilizer, it is characterized in that: the 4th step further can be, stores behind the fermenting-ripening is by pulverizing, tiling is gone in the earthworm reactor, bait as earthworm is handled for earthworm, utilizing the wormcast collector of earthworm reactor to collect wormcast, is 20% by oven drying at low temperature to water content, promptly makes the high-quality biological organic fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100345277A CN1858027A (en) | 2005-04-30 | 2005-04-30 | Method for changing kitchen garbage into fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100345277A CN1858027A (en) | 2005-04-30 | 2005-04-30 | Method for changing kitchen garbage into fertilizer |
Publications (1)
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|---|---|
| CN1858027A true CN1858027A (en) | 2006-11-08 |
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| CNA2005100345277A Pending CN1858027A (en) | 2005-04-30 | 2005-04-30 | Method for changing kitchen garbage into fertilizer |
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Cited By (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165008B (en) * | 2007-10-10 | 2010-10-20 | 中国农业科学院蔬菜花卉研究所 | Vegetable residual strain microorganism-earthworm multiple step inoculation conversion method |
| CN101020826B (en) * | 2007-03-09 | 2010-11-17 | 华东理工大学 | Kitchen refuse coking treatment process and apparatus |
| CN102115345A (en) * | 2010-12-02 | 2011-07-06 | 北京工商大学 | Set of movable efficient aerobic composting processes for food waste |
| CN101305768B (en) * | 2008-07-02 | 2011-08-31 | 上海格邦环境科技有限公司 | Method for producing animal protein feedstuff by processing restaurant garbage using angleworm |
| CN102206105A (en) * | 2011-04-22 | 2011-10-05 | 湖州绿韵生物科技有限公司 | Compost treatment method for food residues |
| CN102249746A (en) * | 2011-05-13 | 2011-11-23 | 华北电力大学 | Device and method for two-stage kitchen residue aerobic composting |
| CN102320871A (en) * | 2011-07-12 | 2012-01-18 | 焦社杰 | Microbial organic fertilizer prepared from restaurant-kitchen garbage and preparation method thereof |
| CN102358707A (en) * | 2011-08-05 | 2012-02-22 | 曹际娟 | Tilletia controversa teliospore composting harmless treatment method |
| CN102690134A (en) * | 2011-03-21 | 2012-09-26 | 焦社杰 | Processing method and processing system for kitchen garbage resourcilization |
| CN102690133A (en) * | 2012-06-14 | 2012-09-26 | 南京信息职业技术学院 | Method for producing organic fertilizer by using garbage |
| CN103342590A (en) * | 2013-07-27 | 2013-10-09 | 中山市巴斯德农业科技有限公司 | Method for preparing biological organic fertilizer by kitchen garbage |
| CN103509743A (en) * | 2013-09-09 | 2014-01-15 | 深圳市三盛环保科技有限公司 | Microbial compound preparation and preparation method |
| CN103588583A (en) * | 2013-11-28 | 2014-02-19 | 瑞昊（北京）环境工程有限公司 | Special bioorganic fertilizer for tea tree, and preparation method and application method thereof |
| CN103641524A (en) * | 2013-11-27 | 2014-03-19 | 刘志明 | Method for treating garbage, sludge or excrement by earthworms and biological organic fertilizer |
| CN104016738A (en) * | 2014-05-28 | 2014-09-03 | 中国计量学院 | Method for utilizing kitchen waste to prepare culturing material of edible fungi |
| CN104249073A (en) * | 2014-07-30 | 2014-12-31 | 徐瑞金 | Restaurant industry waste processing method |
| CN104365461A (en) * | 2014-11-13 | 2015-02-25 | 南京市蔬菜科学研究所 | Tea residue wormcast substrate suitable for leafy vegetable seedling and manufacturing method thereof |
| CN104446686A (en) * | 2014-09-29 | 2015-03-25 | 吴长江 | Kitchen waste treatment method |
| CN104478550A (en) * | 2014-11-13 | 2015-04-01 | 南京农业大学 | Tea residue worm excretion matrix suitable for tomato seedling growth, and preparation method thereof |
| CN105384578A (en) * | 2015-12-11 | 2016-03-09 | 天紫环保装备制造（天津）有限公司 | Method for preparing organic fertilizer on basis of municipal domestic wastes and Pleurotus eryngii fungus residues |
| CN105642650A (en) * | 2016-01-01 | 2016-06-08 | 张磊 | Harmless treatment method for kitchen waste |
| CN106111680A (en) * | 2016-06-24 | 2016-11-16 | 浦北县科学技术开发中心 | A kind of processing method of changing food waste |
| CN106116763A (en) * | 2016-06-24 | 2016-11-16 | 浦北县科学技术开发中心 | A kind of method utilizing rubbish from cooking |
| CN106111662A (en) * | 2016-06-24 | 2016-11-16 | 浦北县科学技术开发中心 | Preprocess method before one way of life garbage loading embeading |
| CN106278550A (en) * | 2016-07-28 | 2017-01-04 | 厦门市江平生物基质技术股份有限公司 | A kind of universal cultivation organic substrate |
| CN106518333A (en) * | 2016-10-31 | 2017-03-22 | 河北绿碳生物科技有限公司 | Preparation method of anticorrosive granular organic fertilizer by using kitchen waste as raw material |
| CN107188701A (en) * | 2017-06-26 | 2017-09-22 | 舒丽 | A kind of food waste thing Fertilizer Transformed processing method |
| CN107417313A (en) * | 2017-08-14 | 2017-12-01 | 重庆暄洁再生资源利用有限公司 | A kind of kitchen waste compost method and use its small towns refuse classification processing method |
| 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 |
| CN108409494A (en) * | 2018-04-28 | 2018-08-17 | 湖南文理学院 | A kind of oil tea fertilizer special for organic and preparation method thereof |
| CN108863450A (en) * | 2018-08-09 | 2018-11-23 | 厦门理工学院 | Household kitchen waste disposer |
| CN108863624A (en) * | 2018-09-26 | 2018-11-23 | 胡玥瑶 | A method of potting fertilizer is made using food waste |
| CN109180233A (en) * | 2018-08-09 | 2019-01-11 | 厦门理工学院 | Household Food waste treatment method |
| CN109332359A (en) * | 2018-11-08 | 2019-02-15 | 江苏大硕源环保科技有限公司 | A kind of harmless feed pre-processing device of kitchen castoff and technique of earthworm consumption |
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| CN110054513A (en) * | 2019-04-30 | 2019-07-26 | 中国科学院广州能源研究所 | The co composting equipment of garden garbage and kitchen garbage |
| CN110092679A (en) * | 2019-06-18 | 2019-08-06 | 陈赫然 | A kind of method of straw biological fermentation evaporation bed processing changing food waste into resources |
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| CN110790590A (en) * | 2019-12-17 | 2020-02-14 | 苏州德容环保科技有限公司 | Aerobic fermentation equipment for kitchen garbage |
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| CN111974783A (en) * | 2020-08-05 | 2020-11-24 | 上海扬升生态农业有限公司 | Method for treating organic garbage by using earthworms |
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- 2005-04-30 CN CNA2005100345277A patent/CN1858027A/en active Pending
Cited By (58)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020826B (en) * | 2007-03-09 | 2010-11-17 | 华东理工大学 | Kitchen refuse coking treatment process and apparatus |
| CN101165008B (en) * | 2007-10-10 | 2010-10-20 | 中国农业科学院蔬菜花卉研究所 | Vegetable residual strain microorganism-earthworm multiple step inoculation conversion method |
| CN101305768B (en) * | 2008-07-02 | 2011-08-31 | 上海格邦环境科技有限公司 | Method for producing animal protein feedstuff by processing restaurant garbage using angleworm |
| CN102115345A (en) * | 2010-12-02 | 2011-07-06 | 北京工商大学 | Set of movable efficient aerobic composting processes for food waste |
| CN102690134B (en) * | 2011-03-21 | 2014-12-24 | 焦社杰 | Processing method and processing system for kitchen garbage resourcilization |
| CN102690134A (en) * | 2011-03-21 | 2012-09-26 | 焦社杰 | Processing method and processing system for kitchen garbage resourcilization |
| CN102206105A (en) * | 2011-04-22 | 2011-10-05 | 湖州绿韵生物科技有限公司 | Compost treatment method for food residues |
| CN102249746B (en) * | 2011-05-13 | 2013-10-23 | 华北电力大学 | Device and method for two-stage kitchen residue aerobic composting |
| CN102249746A (en) * | 2011-05-13 | 2011-11-23 | 华北电力大学 | Device and method for two-stage kitchen residue aerobic composting |
| CN102320871A (en) * | 2011-07-12 | 2012-01-18 | 焦社杰 | Microbial organic fertilizer prepared from restaurant-kitchen garbage and preparation method thereof |
| CN102358707A (en) * | 2011-08-05 | 2012-02-22 | 曹际娟 | Tilletia controversa teliospore composting harmless treatment method |
| CN102690133A (en) * | 2012-06-14 | 2012-09-26 | 南京信息职业技术学院 | Method for producing organic fertilizer by using garbage |
| CN103342590A (en) * | 2013-07-27 | 2013-10-09 | 中山市巴斯德农业科技有限公司 | Method for preparing biological organic fertilizer by kitchen garbage |
| CN103342590B (en) * | 2013-07-27 | 2014-08-27 | 中山市巴斯德农业科技有限公司 | Method for preparing biological organic fertilizer by kitchen garbage |
| CN103509743A (en) * | 2013-09-09 | 2014-01-15 | 深圳市三盛环保科技有限公司 | Microbial compound preparation and preparation method |
| CN103641524A (en) * | 2013-11-27 | 2014-03-19 | 刘志明 | Method for treating garbage, sludge or excrement by earthworms and biological organic fertilizer |
| CN103641524B (en) * | 2013-11-27 | 2016-01-20 | 刘涛 | Utilize the method for dealing with earthworm rubbish, mud or ight soil and a kind of biological organic fertilizer |
| CN103588583A (en) * | 2013-11-28 | 2014-02-19 | 瑞昊（北京）环境工程有限公司 | Special bioorganic fertilizer for tea tree, and preparation method and application method thereof |
| CN103588583B (en) * | 2013-11-28 | 2016-04-06 | 瑞昊(北京)环境工程集团有限公司 | A kind of tea tree bio-organic fertilizer special and preparations and applicatio method thereof |
| CN104016738A (en) * | 2014-05-28 | 2014-09-03 | 中国计量学院 | Method for utilizing kitchen waste to prepare culturing material of edible fungi |
| CN104249073A (en) * | 2014-07-30 | 2014-12-31 | 徐瑞金 | Restaurant industry waste processing method |
| CN104446686A (en) * | 2014-09-29 | 2015-03-25 | 吴长江 | Kitchen waste treatment method |
| CN104365461A (en) * | 2014-11-13 | 2015-02-25 | 南京市蔬菜科学研究所 | Tea residue wormcast substrate suitable for leafy vegetable seedling and manufacturing method thereof |
| CN104478550A (en) * | 2014-11-13 | 2015-04-01 | 南京农业大学 | Tea residue worm excretion matrix suitable for tomato seedling growth, and preparation method thereof |
| CN105384578A (en) * | 2015-12-11 | 2016-03-09 | 天紫环保装备制造（天津）有限公司 | Method for preparing organic fertilizer on basis of municipal domestic wastes and Pleurotus eryngii fungus residues |
| CN105642650A (en) * | 2016-01-01 | 2016-06-08 | 张磊 | Harmless treatment method for kitchen waste |
| CN105642650B (en) * | 2016-01-01 | 2018-06-12 | 康绿源科技（天津）有限责任公司 | A kind of rubbish from cooking method for innocent treatment |
| CN106111662A (en) * | 2016-06-24 | 2016-11-16 | 浦北县科学技术开发中心 | Preprocess method before one way of life garbage loading embeading |
| CN106116763A (en) * | 2016-06-24 | 2016-11-16 | 浦北县科学技术开发中心 | A kind of method utilizing rubbish from cooking |
| CN106111680A (en) * | 2016-06-24 | 2016-11-16 | 浦北县科学技术开发中心 | A kind of processing method of changing food waste |
| CN106278550A (en) * | 2016-07-28 | 2017-01-04 | 厦门市江平生物基质技术股份有限公司 | A kind of universal cultivation organic substrate |
| CN106518333A (en) * | 2016-10-31 | 2017-03-22 | 河北绿碳生物科技有限公司 | Preparation method of anticorrosive granular organic fertilizer by using kitchen waste as raw material |
| CN107188701A (en) * | 2017-06-26 | 2017-09-22 | 舒丽 | A kind of food waste thing Fertilizer Transformed processing method |
| CN107417313A (en) * | 2017-08-14 | 2017-12-01 | 重庆暄洁再生资源利用有限公司 | A kind of kitchen waste compost method and use its small towns refuse classification processing method |
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