CN1326809C - Refuse composting process adding different decay promoting ferments separately and its decay promoting ferments - Google Patents

Refuse composting process adding different decay promoting ferments separately and its decay promoting ferments Download PDF

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CN1326809C
CN1326809C CNB200610031262XA CN200610031262A CN1326809C CN 1326809 C CN1326809 C CN 1326809C CN B200610031262X A CNB200610031262X A CN B200610031262XA CN 200610031262 A CN200610031262 A CN 200610031262A CN 1326809 C CN1326809 C CN 1326809C
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starter
phanerochaete chrysosporium
liquid
degradation
compost
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CN1810734A (en
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黄丹莲
曾光明
冯冲凌
陈洋
胡霜
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Hunan University
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Hunan University
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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

Abstract

The present invention discloses a refuse composting method of adding different decay promoting fermentation agents for two times in different composting periods of compost material and decay promoting fermentation agents thereof. The two decay promoting fermentation agents are both composite enzyme liquid systems prepared by mixing single fermentation liquid of different strains according to certain proportion. The decay promoting fermentation agent A is added at the beginning of the composting to accelerate the decomposition of easy degradation matters of pectin, lipid, protein, etc., and a lignocelluloses structure is preliminary destroyed to cause the degradation of partial difficult degradation matters of lignocelluloses. The decay promoting fermentation agent B is added at middle and later stage of compost temperature fall period, the degradation action of difficult degradation organic matters of partial lignocellulose, etc. is further enhanced, and the deep decomposition of the compost material is promoted. With decay promoting fermentation agent addition, the degradation of the compost material is accelerated and enhanced; the compost material is better converted into nutrient components which are easy to be used; the present invention is favorable to the growth and propagation of indigenous microbes, and promotes the enhancement of the degradation action of the indigenous microbes; the progress of compost decomposition is effectively accelerated; the quality of the compost is enhanced.

Description

The garbage compost method of the different short rotten starters of twice interpolation and short rotten starter thereof
Technical field
The invention belongs to the composting of solid waste, be specifically related to utilize the short rotten starter of two kinds of difference in functionalitys to promote garbage compost method and the short rotten starter thereof that producing fertilizer from refuse in daily life becomes thoroughly decomposed.
Background technology
It is to rely on the alternating action of all kinds of microbial populations in composting process that contains in the rubbish that the tradition aerobic compost is handled, from the water of decomposition soluble organism, decompose and the anti-organism that decomposes to degraded is difficult gradually, and finally form the Biochemical processes of soil ulmin class material.But, cause the composting time long and fertilizer efficiency is low often because the indigenous microorganism activity is weak in the windrow, degradation capability is low and municipal wastes often contains a large amount of lignin bio-refractory materials.At present, be the efficient of raising composting process and the quality of compost finished product, normally develop corresponding degradation bacterial agent or single enzyme preparation, promote artificially that by inoculating all kinds of microbial inoculums or zymin biodegradable complicated organic matter degradation is small-molecule substance and the soil ulmin that cell can absorb at some difficult degradation composition in the windrow.Relate to the more preparation and the inoculation of single high-efficiency strain, complex microbial inoculum and single enzyme preparation that be.But because indigenous microorganism often has adaptability preferably to the windrow that complex component is arranged, the inoculating microbe of inoculation can not be effectively and indigenous microorganism compete, even may produce antagonistic action with indigenous microorganism, and microbial inoculum is difficult for mixing with windrow, and this all makes the method for utilizing the inoculation microbial inoculum to improve composting process extensively not to be suitable for.
Because favorable to the windrow degraded in composting process mainly is all kinds of degrading enzymes that Institute of Micro-biology produces, and generally is to become the required nutritive substance of microorganism to be absorbed by microorganism the organic matter transformation in the windrow earlier by these biological enzymes again; And the more solid-state microbial inoculum of enzyme liquid is easier and the windrow mixing, promotes the composting process that its advantage is arranged so use zymin.But add the degraded that the single enzyme preparation often only is beneficial to a certain class material in the windrow, but can not promote the decomposition of each material in the windrow, make the application of this method also have bigger limitation.Existence based on above problem, need contain many zymoid composite fermentation liquid accordingly according to the needs preparation of composting process different steps, also need simultaneously to determine the method that is applied to composting of its best, so that realize consumer garbage compost processing and comprehensive utilization more efficiently according to the optimum reaction conditions of enzyme classes system.
Summary of the invention
Technical problem to be solved by this invention is the defective that overcomes above-mentioned prior art, provide a kind of different steps to add different short rotten starters respectively at composting garbage, both given full play to the Degradation of indigenous microorganism, utilize all kinds of degrading enzymes that are rich in the short rotten starter of two kinds of difference in functionalitys to facilitate the easily thorough decomposition of degradation material in the windrow again, and strengthened Mierocrystalline cellulose greatly, effective degraded of hemicellulose and xylogen composition reaches the garbage compost method of the different short rotten starters with twice interpolation that improves compost quality of effective raising composting efficiency and urgees rotten starter.
The present invention solves the problems of the technologies described above by the following technical programs.
The waste compost method of the different short rotten starters of twice interpolation of the present invention, it is characterized in that, in the domestic refuse of sorting, fragmentation, short rotten starter A is pressed 1～1.5% of composting material weight directly to be added, abundant mixing is also adjusted the laggard windrow system fermentation of windrow water ratio, wait to enter the compost temperature-fall period, add short rotten starter B by 0.8～1.2% weight ratio again, continue fermentation behind the uniform mixing; Described short rotten starter A be by aspergillus niger (Aspergillus niger), Pseudomonas aeruginosa (Psedomanas aeruginosa), subtilis (Bacillus subtilis) and Phanerochaete chrysosporium (Phanerochaete chrysosporium) respectively four kinds of fermented liquids mixed preparing behind elimination thalline and solid state substrate of forming of single culture form; Described short rotten starter B then be by viride (Trichoderma viride) and Phanerochaete chrysosporium (Phanerochaete chrysosporium) respectively two kinds of fermented liquids mixed preparing behind elimination thalline and solid state substrate of forming of single culture form.
For implementing the short rotten starter A of aforesaid method, it is characterized in that, it be by aspergillus niger (Aspergillus niger), Pseudomonas aeruginosa (Psedomanas aeruginosa), subtilis (Bacillus subtilis) and Phanerochaete chrysosporium (Phanerochaete chrysosporium) respectively four kinds of fermented liquids forming of single culture behind elimination thalline and solid state substrate, form by following weight proportion mixed preparing:
Fermentation of Aspergillus niger liquid 40～50%
Pseudomonas aeruginosa fermented liquid 15～25%
Fermentation of bacillus subtilis liquid 20～25%
Phanerochaete chrysosporium fermented liquid 15～20%.
For implementing the short rotten starter B of aforesaid method, it is characterized in that, it be by viride (Trichodermaviride) and Phanerochaete chrysosporium (Phanerochaete chrysosporium) respectively two kinds of fermented liquids forming of single culture behind elimination thalline and solid state substrate, form by following weight proportion mixed preparing:
Trichoderma Viride liquid 40～45%
Phanerochaete chrysosporium fermented liquid 55～60%.
The present invention is not when hindering indigenous microorganism and playing one's part to the full, be aided with short rotten starter A and promote the easily decomposition of degradation product such as pectin, lipid, protein, and tentatively destroy the wood fibre structure, facilitate part lignocellulose difficult degradation thing in the degraded of the initial stage in one time fermentation stage; Add short rotten starter B again in the compost temperature-fall period, promote the degree of depth of lignocellulose material to become thoroughly decomposed.Composting process cost of the present invention is lower, simple to operate, both given full play to the Degradation of indigenous microorganism, utilize all kinds of degrading enzymes that are rich in the short rotten starter of two kinds of difference in functionalitys to facilitate the easily thorough decomposition of degradation material in the windrow again, and strengthened effective degraded of Mierocrystalline cellulose, hemicellulose and xylogen composition greatly, thereby improved the efficient of compost, shortened the time of compost maturity, promoted the degree of depth of compost to become thoroughly decomposed.
Description of drawings
Fig. 1 be double addition method of the present invention with in the same old way temperature variation;
Fig. 2 be double addition method of the present invention with in the same old way rate of emergence variation diagram.
Embodiment
The Phanerochaete chrysosporium (Phanerochaete chrysosporium) that the present invention adopts, available from China typical culture collection center (CCTCC), preserving number is AF96007.The bacterial classification switching is deposited on the potato sucrose medium.
Urge the component of rotten starters and fill a prescription as follows for two kinds of the present invention:
Short rotten starter A:
The preparation of short rotten starter A is by following two steps:
1, seed culture: aspergillus niger, Pseudomonas aeruginosa, subtilis that purifying is cultivated and the Phanerochaete chrysosporium of buying are scraped from the slant medium of preservation respectively and get, and be seeded to Cha Shi substratum, wheat health substratum, nutrition bouillon media and potato sucrose medium respectively, dress substratum 100ml in the triangular flask of each 500ml, 32～37 ℃ of culture temperature, shaking speed 150～180rpm cultivates 24～60h.
2, enzymatic production is cultivated: above-mentioned seed culture fluid is seeded in separately the fermention medium with the inoculum size of 4～6% (weight ratios) respectively.
Aspergillus niger, the fermentative medium formula of Pseudomonas aeruginosa and subtilis comprises (weight ratio): straw powder 2～3%, molasses 0.5～1%, soybean cake powder 2～3%, wheat bran 1%, NaCl 0.3%; The culture condition of fermentor tank is 28～35 ℃ of temperature, stirring velocity 400～500 rpm, and air flow 0.8～1.0vvm cultivates 3～5d.The enzymatic production nutrient solution composition of Phanerochaete chrysosporium special use comprises (weight ratio): sucrose 10gl -1, ammonium tartrate 0.37gl -1, NaCl 0.1gl -1, KH 2PO 41.5gl -1, MgSO 47H 2O 0.5gl -1, MnSO 4H 2O 0.035gl -1, VB 10.1mgl -1The culture condition of fermentor tank is 30～35 ℃ of temperature, stirring velocity 160～200rpm, and air flow 0.6～0.8vvm cultivates 4d.After afterwards each fermented liquid being removed thalline and solid substrate after filtration, get filtrate (crude enzyme liquid) respectively and be mixed in proportion, get final product short rotten starter A.
The blending ratio (weight percent) of each fermented liquid behind elimination thalline and solid state substrate is:
Fermentation of Aspergillus niger liquid 40～50%;
Pseudomonas aeruginosa fermented liquid 15～25%;
Fermentation of bacillus subtilis liquid 20～25%;
Phanerochaete chrysosporium fermented liquid 15～20%.
Above-mentioned short rotten starter A added in the starting stage of compost.Add the short rotten starter that this is rich in polygalacturonase, lipid degradation enzyme, proteolytic enzyme in this stage, neither the growth to indigenous microorganism causes negative impact, can quicken the easily decomposition of degradation product such as pectin, lipid, protein by the decay of prozyme system in this starter again; In addition, should act on lignocellulose composition in the windrow by short contained cellulose degrading enzyme and the lignin-degrading enzymes of rotten starter A, make Mierocrystalline cellulose, hemicellulose and lignin molecule just be able to preliminary decomposition in the compost initial stage, this has just destroyed the shielding effect of netted macromolecular structure of the complexity of its formation, thereby accelerates the process of aerobic compost.On the other hand, the simple carbohydrate that easily utilizes that is changed into by these organism decomposition can be used as the nutritive substance of indigenous microorganism in the windrow, be beneficial to the growth and breeding of indigenous microorganism, strengthened the decomposition ability of indigenous microorganism, thereby further promoted the degraded of windrow, the remarkable rising of heap temperature, composting efficiency is improved.
Short rotten starter B:
The preparation of short rotten starter B is by following two steps:
1, seed culture: viride that purifying is cultivated and the Phanerochaete chrysosporium of buying are scraped from the slant medium of preservation respectively and get, and be seeded to Cha Shi substratum and potato sucrose medium respectively, dress substratum 100ml in the triangular flask of each 500ml, 37 ℃ of culture temperature, shaking speed 150～180rpm cultivates 48～60h.
2, enzymatic production is cultivated: above-mentioned seed culture fluid is seeded in separately the fermention medium with the inoculum size of 4～6% (weight ratios) respectively.
The fermentative medium formula of viride comprises (weight ratio): straw powder 2～3%, and molasses 0.5～1%, soybean cake powder 2～3%, wheat bran 1%, NaCl 0.3%; The culture condition of fermentor tank is 30 ℃ of temperature, stirring velocity 400～500rpm, and air flow 0.8～1.0vvm cultivates 3～5d.The enzymatic production nutrient solution composition of Phanerochaete chrysosporium special use comprises (weight ratio): sucrose 10gl -1, ammonium tartrate 0.37gl -1, NaCl 0.1gl -1, KH 2PO 41.5gl -1, MgSO 47H 2O 0.5gl -1, MnSO 4H 2O 0.035gl -1, VB 10.1mgl -1The culture condition of fermentor tank is 30～35 ℃ of temperature, stirring velocity 160～200rpm, and air flow 0.6～0.8vvm cultivates 4d.After afterwards each fermented liquid being removed thalline and solid substrate after filtration, get filtrate (crude enzyme liquid) respectively and be mixed in proportion, get final product short rotten starter B.
The blending ratio (weight percent) of each fermented liquid behind elimination thalline and solid state substrate is:
Trichoderma Viride liquid 40～45%;
Phanerochaete chrysosporium fermented liquid 55～60%.
Above-mentioned short rotten starter B adds when composting process just enters temperature-fall period.At the compost initial stage, the short contained a small amount of lignocellulose enzyme of rotten starter A has made the structure of lignin-carbohydrate complex tentatively destroy and decomposition, but because composting process will pass through hot stage, this may cause part hemicellulase, cellulase, especially lignin degradation enzyme deactivation.Considering that lignin-degrading enzymes ties up in the lignin degrading class hard-degraded substance plays crucial effects, and the most suitable reaction temperature of this enzyme system is on the low side; Simultaneously,, can make the lignocellulose composition in the windrow obtain decomposing more completely, promote the degree of depth of material to become thoroughly decomposed in view of additional a certain amount of cellulase and lignin-degrading enzymes synergy.Therefore add the short rotten starter B that is rich in the lignocellulose enzyme when being chosen in composting process and just having entered temperature-fall period,, improve its degradation rate the lignocellulose material to bring into play the effect of enzyme system of ligocellulose degradation better.
Embodiment:
The preparation of short rotten starter A is by following two steps:
1, seed culture: with the aspergillus niger of purifying cultivation, Pseudomonas aeruginosa, subtilis and the Phanerochaete chrysosporium of buying are scraped from the slant medium of preservation respectively and get, and be seeded to Cha Shi substratum, wheat health substratum, nutrition bouillon media and potato sucrose medium respectively, dress substratum 100ml in the triangular flask of each 500ml, 35 ℃ of culture temperature, shaking speed 165rpm cultivates 48h.
2, enzymatic production is cultivated: above-mentioned seed culture fluid is seeded in separately the fermention medium with the inoculum size of 4% (weight ratio) respectively.
Aspergillus niger, the fermentative medium formula of Pseudomonas aeruginosa and subtilis are (weight ratio): straw powder 2.5%, and molasses 0.5%, soybean cake powder 2%, wheat bran 1%, NaCl 0.3%, water 93.7%; The culture condition of fermentor tank is 30 ℃ of temperature, stirring velocity 420rpm, and air flow 0.8vvm cultivates 3d.The enzymatic production nutrient solution composition of Phanerochaete chrysosporium special use is (weight ratio): sucrose 10gl -1, ammonium tartrate 0.37gl -1, NaCl 0.1gl -1, KH 2PO 41.5gl -1, MgSO 47H 2O 0.5gl -1, MnSO 4H 2O 0.035gl -1, VB 10.1mgl -1, surplus is a water; The culture condition of fermentor tank is 30 ℃ of temperature, stirring velocity 160rpm, and air flow 0.7vvm cultivates 4d.After afterwards each fermented liquid being removed thalline and solid substrate after filtration, getting filtrate (crude enzyme liquid) respectively mixes in following ratio (weight ratio): fermentation of Aspergillus niger liquid 43%, Pseudomonas aeruginosa fermented liquid 20%, fermentation of bacillus subtilis liquid 20%, Phanerochaete chrysosporium fermented liquid 17%, get final product short rotten starter A.
The preparation of short rotten starter B is by following two steps:
1, seed culture: viride that purifying is cultivated and the Phanerochaete chrysosporium of buying are scraped from the slant medium of preservation respectively and get, and be seeded to Cha Shi substratum and potato sucrose medium respectively, dress substratum 100ml in the triangular flask of each 500ml, 37 ℃ of culture temperature, shaking speed 160rpm cultivates 50h.
2, enzymatic production is cultivated: above-mentioned seed culture fluid is seeded in separately the fermention medium with the inoculum size of 4% (weight ratio) respectively.
The fermentative medium formula of viride is (weight ratio): straw powder 2.5%, and molasses 0.5%, soybean cake powder 2%, wheat bran 1%, NaCl 0.3%, water 93.7%; The culture condition of fermentor tank is 30 ℃ of temperature, stirring velocity 420rpm, and air flow 0.8vvm cultivates 3d.The enzymatic production nutrient solution composition of Phanerochaete chrysosporium special use is (weight ratio): sucrose 10gl -1, ammonium tartrate 0.37gl -1, NaCl 0.1gl -1, KH 2PO 41.5gl -1, MgSO 47H 2O 0.5gl -1, MnSO 4H 2O 0.035gl -1, VB 10.1mgl -1, surplus is a water; The culture condition of fermentor tank is 30 ℃ of temperature, stirring velocity 160rpm, and air flow 0.7vvm cultivates 4d.After afterwards each fermented liquid being removed thalline and solid substrate after filtration, get filtrate (crude enzyme liquid) respectively and mix in following ratio (weight ratio): Trichoderma Viride liquid 42%, Phanerochaete chrysosporium fermented liquid 58%, get final product short rotten starter B.
Get the domestic refuse of certain sub-district, sub-elect wherein metal, refuse battery, plastics, glass, brick and tile, fabric, bulk bamboo wood etc.The material of residue compost is pulverized with pulverizer, promptly gets windrow, and the water ratio of this windrow is 60%, and organic content is 60%.
Short rotten starter A is added in the windrow by 1.2% of windrow weight ratio, fully behind the mixing, pile the fermentation of bar buttress.The temperature of monitoring windrow, treat that the windrow temperature is reduced to 40～45 ℃ (present embodiment is 45 ℃) after, short rotten starter B is added in the windrow by 0.8% of windrow weight ratio, fully behind the mixing, continue to ferment.Stacking turning every day 1 time, forced ventilation, windrow was banked up 30 days altogether.The windrow temperature just settled out gradually in 20～25 days, and the compost color also becomes chocolate.
Comparison example: raw material sources are identical with the above with pre-treatment.Do not add other material in the process of banking up, static bar buttress compost method is routinely banked up.
The effect comparison of two kinds of different compost methods is shown in Fig. 1, Fig. 2 and table 1.
Adopt novel method of the present invention, make the windrow temperature compare with traditional composting process and can continue the longer time at hot stage, the contained prozyme system of short simultaneously rotten starter can quicken the windrow mass degradation, wherein cellulose degradation rate comparison is high in the same old way 20.1%, and the comparison of lignin degradation rate is high in the same old way 17.1%.In addition, the rate of emergence of the compost of use composting process of the present invention is higher, and compost maturity has shifted to an earlier date about 7～13 days.As seen twice interpolation of the present invention difference is urged the composting processes of rotten starters, promptly add the waste compost method of different short rotten starters respectively in the different steps of composting garbage, can improve the degradation rate of windrow greatly, shorten the compost time, improving compost quality, is a kind of effective garbage compost new technology.
Several organic total degradation rates in the composting process of table 1 double addition method (the present invention) and traditional composting process (contrast)
Organism When one time fermentation finishes (%) Secondary Fermentation finishes back (%)
Handle Contrast Handle Contrast
The plain xylogen of pectin hemicellulose fibers 47.6 22.3 18.9 13.4 39.1 15.2 10.5 7.3 71.3 68.4 63.0 40.7 52.7 43.5 42.9 23.6

Claims (3)

1, the waste compost method of the different short rotten starters of a kind of twice interpolation, it is characterized in that, in the domestic refuse of sorting, fragmentation, short rotten starter A is pressed 1～1.5% of composting material weight directly to be added, the fully laggard windrow system fermentation of mixing, wait to enter the compost temperature-fall period, add short rotten starter B by 0.8～1.2% weight ratio again, continue fermentation behind the uniform mixing; Described short rotten starter A be by aspergillus niger (Aspergillus niger), Pseudomonas aeruginosa (Psedomanas aeruginosa), subtilis (Bacillus subtilis) and Phanerochaete chrysosporium (Phanerochaete chrysosporium) respectively four kinds of fermented liquids mixed preparing behind elimination thalline and solid state substrate of forming of single culture form; Described short rotten starter B then be by viride (Trichoderma viride) and Phanerochaete chrysosporium (Phanerochaete chrysosporium) respectively two kinds of fermented liquids mixed preparing behind elimination thalline and solid state substrate of forming of single culture form.
2, the waste compost method of the different short rotten starters of twice interpolation according to claim 1, it is characterized in that four kinds of fermented liquids among the described short rotten starter A form by following weight proportion mixed preparing: fermentation of Aspergillus niger liquid 40～50% behind elimination thalline and solid state substrate, Pseudomonas aeruginosa fermented liquid 15～25%, fermentation of bacillus subtilis liquid 20～25%, Phanerochaete chrysosporium fermented liquid 15～20%; Two kinds of fermented liquids among the described short rotten starter B form by following weight proportion mixed preparing behind elimination thalline and solid state substrate: Trichoderma Viride liquid 40～45%, Phanerochaete chrysosporium fermented liquid 55～60%.
3, a kind of short rotten starter A of waste compost method according to claim 1, it is characterized in that, it be by aspergillus niger (Aspergillus niger), Pseudomonas aeruginosa (Psedomanas aeruginosa), subtilis (Bacillus subtilis) and Phanerochaete chrysosporium (Phanerochaete chrysosporium) respectively four kinds of fermented liquids forming of single culture behind elimination thalline and solid state substrate, form by following weight proportion mixed preparing:
Fermentation of Aspergillus niger liquid 40～50%
Pseudomonas aeruginosa fermented liquid 15～25%
Fermentation of bacillus subtilis liquid 20～25%
Phanerochaete chrysosporium fermented liquid 15～20%.
CNB200610031262XA 2006-02-23 2006-02-23 Refuse composting process adding different decay promoting ferments separately and its decay promoting ferments Expired - Fee Related CN1326809C (en)

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CN101186537B (en) * 2007-12-05 2011-03-30 中国科学院南京土壤研究所 Echelon circulation inoculation temperature-control compost method
CN104370582B (en) * 2014-11-04 2015-09-09 四川联星环保科技有限公司 A kind of organic waste odorless aerobic compost method
CN106520615A (en) * 2016-11-16 2017-03-22 河南农业大学 Composite microbial system for quickly degrading maize straw and preparation and pretreatment method thereof
CN108338054B (en) * 2018-03-01 2020-09-15 中国林业科学研究院亚热带林业研究所 Method for preparing culture medium from camellia oleifera shells
CN110918623B (en) * 2019-12-28 2021-08-17 张千河 Method for treating waste by utilizing microbial fermentation
CN114920594B (en) * 2022-06-30 2023-04-25 北京科技大学 Co-composting method for kitchen waste and biogas residues and application thereof

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CN1344700A (en) * 2001-09-11 2002-04-17 周清易 Efficient organic ecological fertilizer and its production process
CN1189431C (en) * 2003-03-05 2005-02-16 湖南大学 Biinoculating micvobial compound bacterium compost method

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Publication number Priority date Publication date Assignee Title
CN1344700A (en) * 2001-09-11 2002-04-17 周清易 Efficient organic ecological fertilizer and its production process
CN1189431C (en) * 2003-03-05 2005-02-16 湖南大学 Biinoculating micvobial compound bacterium compost method

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