CN101338325A - Process for producing methane by dry-type fermentation of stalks - Google Patents
Process for producing methane by dry-type fermentation of stalks Download PDFInfo
- Publication number
- CN101338325A CN101338325A CNA2008101411778A CN200810141177A CN101338325A CN 101338325 A CN101338325 A CN 101338325A CN A2008101411778 A CNA2008101411778 A CN A2008101411778A CN 200810141177 A CN200810141177 A CN 200810141177A CN 101338325 A CN101338325 A CN 101338325A
- Authority
- CN
- China
- Prior art keywords
- stalk
- biogas
- fermentation
- technology
- stalks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000855 fermentation Methods 0.000 title claims abstract description 31
- 230000004151 fermentation Effects 0.000 title claims abstract description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000002203 pretreatment Methods 0.000 claims abstract description 9
- 239000002893 slag Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims description 20
- 239000010902 straw Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 230000000813 microbial effect Effects 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 4
- 239000003895 organic fertilizer Substances 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 2
- 239000002002 slurry Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000000593 degrading effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002154 agricultural waste Substances 0.000 description 3
- 230000029087 digestion Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241001074903 Methanobacteria Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a technique for producing biogas by utilizing stalk dry fermentation which includes the steps: I, cracking the stalks into 2 to 8mm by a cracking machine; II, transmitting the cracked stalks into a pre-treatment pool, adding hot water of 40 to 53 DEG C and a stalk fermentation agent in the pre-treatment pool to carry out pre-treatment; the cracked stalks and the biogas slurry refluxed by the anaerobic digester of the pre-treatment pool are mixed according to a proportion of 2 to 1; after stirring, the solid content rate of the stalk liquid is 20 to 35 percent; III, using a mud pump to equally transmit the stalk liquid to the top part of the anaerobic digester with a fermentation temperature of 40 to 53 DEG C; IV, the biogas generated by fermentation is purified to be clean fuel by gas-liquid separation. The technique can lead the stalks of 1.5kg to generate the biogas of 1m<3> (the content of methane is larger or equal to 55 percent); the degrading rate is more than 90 percent. The technique of the invention can continuously feed and discharge; the biogas slurry can be repeatedly used; only biogas slag is discharged; the biogas slag is manufactured into organic fertilizer by processing and can not cause any pollution to the environment.
Description
Technical field:
The present invention relates to a kind of production technique of utilizing stalk fermentation to produce biogas, particularly a kind of technology of utilizing stalk dry type fermentation and biogas production, biogas is the inflammable gas that organism produces through microbiological anaerobic digestion.Its characteristic is similar to natural gas, and biogas also can be made the fuel of oil engine and produce industrial chemicals such as methyl alcohol, formalin, tetracol phenixin except that direct burning is used for cooking, oven dry agricultural byproducts, heating, illumination and gas welding etc.
Background technology:
China's agricultural wastes are varied, but be divided into stalk and bird ight soil two big classes by its source, China's agricultural resource is abundant relatively, calculates by the cereal ratio according to China's staple crops output, annual stalk output is 600,000,000 tons, and straw, maize straw, wheat straw stalk account for 77.2% of stalk total amount.Biogas belongs to renewable energy source, is the biomass energy in the renewable energy source.The production of microbial growth breeding, organic decomposition and inversion, biogas is all carried out in anaeroic digestor, and anaeroic digestor is the nucleus equipment of biogas fermentation, so the structure of anaeroic digestor and running condition are the emphasis of a biogas engineering design.Conventional wet fermentation will consume self energy of about 30%, in north cold area winter even can reach 45%, thereby has limited the popularization of biogas technology at north cold area greatly.Conventional wet is fermented, and not only water loss is big, and brings loaded down with trivial details technology for the oven dry composting of natural pond slag again.Biogas sulphur content height, troublesome poeration, the scientific and technological content that the conventional wet fermentation produces is low, the methane gas producing rate is low.
Traditional biogas fermentation all adopts Wet technique, because Wet technique fermentation power consumption is high, a series of shortcomings such as cost height of processing dry-matter, and the scope and the region of having limited its adaptation.From the nineties, Germany has subsidized the research and development of novel intermittent type dry method biogas fermentation technology in a large number, and at the end of the nineties, German intermittent type dry method biogas technology and equipment have passed through pilot scale, produces the technical grade equipment in 2002 and drops into actual motion.Because continuity dry method marsh gas fermentation process is too complicated, cost is too high, therefore fails to obtain to promote.
Summary of the invention:
The objective of the invention is at above problem, and a kind of technology of utilizing stalk dry type fermentation and biogas production of development, this technology has been broken the barrier that can not use pure stalk fermentation, the scope and the region of stalk marsh gas engineering have been widened, the utilization of agricultural waste material makes increasing peasant income, and reaches the purpose of energy-saving and emission-reduction.
The present invention is achieved in that the step of this technology is:
The first step, earlier with pulverizer with crushed stalk to 2-8mm, be crushed straw aggregate, make crushed straw aggregate and microbial reaction abundant, degradation rate is more than 90%;
Second the step, crushed straw aggregate is delivered to pretreatment pool through transfer roller, and the hot water and the stalk marsh gas starter that add 40-53 ℃ in pretreatment pool carry out pre-treatment, the natural pond liquid that the crushed straw aggregate of pretreatment pool and anaeroic digestor reflux, mixed by 2: 1, stir, stirring back stalk feed liquid solid content is 20-35%;
The 3rd goes on foot, with sludge pump the stalk feed liquid is carried in the anaeroic digestor top equally by transport pipe, makes the natural pond slag be not easy crust, carries out thermophilic fermentation then, and leavening temperature is 40-53 ℃;
The biogas that the 4th step, anaeroic digestor produce through fermentation through the biogas gas-liquid separation device, is delivered to refining plant, is made as clean fuel after the purification.
The present invention can be achieved in that this technology can make 1.5kg stalk output 1M
3Biogas (methane content 〉=55%), degradation rate is more than 90%.
Positively effect of the present invention:
1, initial investment of the present invention, operation cost and Environmental costs are all well below Wet technique, use high temp. dry type fermentation, do the fermentation active substance and account for 20%-35%, self energy consumption is low, have characteristics such as sufficient reacting, organic loading rate height, gas efficiency height, factor of created gase be fast, the pond holds air output 〉=1, and degradation rate is more than 90%, self energy consumption is low, only consumes the 10%-15% of self-energy winter.
But 2, not only continuous dry-type fermentation of the present invention can also continuous dosing and discharging, need not reload greatly, and natural pond liquid is back to pretreatment pool and reuses, and only discharges the natural pond slag, can not pollute; Improve waterpower residence time (HRT), improved contacting of material and microorganism, quickened the decomposition of digestion substrate, organic loading rate and factor of created gase have been improved greatly, factor of created gase 〉=1 does not have moving partss such as agitator in the anaeroic digestor, improved the reliability of system.
3, the present invention not only has very high waste treatment rate, can also obtain the fertilizer product of higher fertilizer efficiency, has simplified earlier stage treatment process, has reduced energy consumption; And stalk dry-type anaerobic fermentation technology because of it can handle the advantage of high solid content refuse, and has satisfied the requirement of present agricultural waste material; In addition, dry anaerobic digestion technology has higher organic loading rate and factor of created gase than wet type technology.
Embodiment:
The present invention is described in further detail below in conjunction with embodiment.
Embodiment one:
With experimental project 200M
3Anaeroic digestor is an example: 300kg stalk day by day, through pre-treatment, continuous dosing is at 43-47 ℃ of following daily gas 200M
3
Processing step of the present invention is:
The first step, earlier with pulverizer with the 300kg/d crushed stalk to 3-6mm, be crushed straw aggregate, make crushed straw aggregate and microbial reaction abundant, degradation rate reaches 90%;
Second the step, crushed straw aggregate is delivered to pretreatment pool through transfer roller, and the hot water and the stalk marsh gas starter that add 43-47 ℃ in pretreatment pool carry out pre-treatment, the natural pond liquid that the crushed straw aggregate of pretreatment pool and anaeroic digestor reflux, mixed by 2: 1, stir, stirring back stalk feed liquid solid content is 23-25%;
The 3rd goes on foot, uses sludge pump that the stalk feed liquid is passed through transport pipe, carries equally in the anaeroic digestor top, makes the natural pond slag be not easy crust, carries out thermophilic fermentation then, and leavening temperature is 43-47 ℃;
The 4th step, anaeroic digestor fermentation produce 200M
3/ d biogas through the biogas gas-liquid separation device, is delivered to refining plant, is made as clean fuel after the purification.
The outside polyurethane heat-insulation that adopts of anaeroic digestor of the present invention, (, factor of created gase being improved greatly) for methanobacteria provides suitable living environment.Residuum natural pond slag contains more comprehensive nutrient element and abundant organic substance, makes organic fertilizer through processing, can not cause any pollution to environment.
Claims (4)
1, a kind of technology of utilizing stalk dry type fermentation and biogas production, it is characterized in that: the step of this technology is:
The first step, earlier with pulverizer with crushed stalk to 2-8mm, be crushed straw aggregate, make crushed straw aggregate and microbial reaction abundant, degradation rate is more than 90%;
Second the step, crushed straw aggregate is delivered to pretreatment pool through transfer roller, and the hot water and the stalk marsh gas starter that add 40-53 ℃ in pretreatment pool carry out pre-treatment, the natural pond liquid that the crushed straw aggregate of pretreatment pool and anaeroic digestor reflux, mixed by 2: 1, stir, stirring back stalk feed liquid solid content is 20-35%;
The 3rd goes on foot, uses sludge pump that the stalk feed liquid is passed through transport pipe, carries equally in the anaeroic digestor top, makes the natural pond slag be not easy crust, carries out thermophilic fermentation then, and leavening temperature is 40-53 ℃;
The biogas that the 4th step, anaeroic digestor produce through fermentation through the biogas gas-liquid separation device, is delivered to refining plant, is made as clean fuel after the purification.
2, a kind of technology of utilizing stalk dry type fermentation and biogas production according to claim 1 is characterized in that: this technology can make 1.5kg stalk output 1M
3Biogas, its methane content 〉=55%, degradation rate is more than 90%.
3, a kind of technology of utilizing stalk dry type fermentation and biogas production according to claim 1 is characterized in that: the hot water and the stalk marsh gas starter that add 43-47 ℃ in the pretreatment pool carry out pre-treatment.
4, a kind of technology of utilizing stalk dry type fermentation and biogas production according to claim 1, it is characterized in that: the leavening temperature of anaeroic digestor is 43-47 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101411778A CN101338325A (en) | 2008-08-28 | 2008-08-28 | Process for producing methane by dry-type fermentation of stalks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101411778A CN101338325A (en) | 2008-08-28 | 2008-08-28 | Process for producing methane by dry-type fermentation of stalks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101338325A true CN101338325A (en) | 2009-01-07 |
Family
ID=40212496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101411778A Pending CN101338325A (en) | 2008-08-28 | 2008-08-28 | Process for producing methane by dry-type fermentation of stalks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101338325A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973682A (en) * | 2010-10-22 | 2011-02-16 | 东北农业大学 | Wet and dry coupling anaerobic fermentation process method |
| CN102162000A (en) * | 2010-12-10 | 2011-08-24 | 刘达苏 | Method and device for applying methane to industrial hating furnace |
| CN102174380A (en) * | 2011-03-11 | 2011-09-07 | 黑龙江省科学院科技孵化中心 | Raw material pretreatment device and system for realizing methane collection by utilizing device |
| CN102206028A (en) * | 2011-03-28 | 2011-10-05 | 上海百泉生物技术有限公司 | Full-automatic device of producing and purifying biogas and its application |
| CN101591677B (en) * | 2009-07-13 | 2011-11-09 | 唐山明仁生物能开发有限公司 | Pure straw stackretting-free feeding methane fermentation method |
| CN101637778B (en) * | 2009-08-25 | 2012-07-04 | 云南昆船设计研究院 | Comprehensive processing technology of organic wastes |
| CN103045570A (en) * | 2013-01-15 | 2013-04-17 | 熊鹏 | Simple method for replenishing cellulosic raw material reversely |
| CN104561120A (en) * | 2015-02-04 | 2015-04-29 | 河南省高新技术实业总公司 | Method for preparing biogas through straw three-stage anaerobic fermentation |
| CN105018344A (en) * | 2015-08-04 | 2015-11-04 | 常州亚环环保科技有限公司 | Biological-chemical circulating biogas fermentation device capable of continuously feeding straws |
| CN105950446A (en) * | 2016-05-13 | 2016-09-21 | 安徽金农惠民生物技术有限公司 | Device for treating dewatered algae ooze and straw mixture by utilizing high-temperature dry-type anaerobic digestion treatment |
| CN103226790B (en) * | 2013-04-09 | 2017-10-31 | 四川大学 | Methane gas producing amount querying method and system |
| CN109136287A (en) * | 2018-08-31 | 2019-01-04 | 同济大学 | The method of macro comminution pretreatment raising stalk wet type anaerobic digestion gas production performance |
| CN109401931A (en) * | 2018-12-08 | 2019-03-01 | 内蒙古弘达生物环保科技有限责任公司 | A kind of charging of biogas project raw material and pretreatment system |
| CN111778292A (en) * | 2020-06-22 | 2020-10-16 | 四川华地康生态农业有限公司 | Agricultural solid waste biological fermentation method |
-
2008
- 2008-08-28 CN CNA2008101411778A patent/CN101338325A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591677B (en) * | 2009-07-13 | 2011-11-09 | 唐山明仁生物能开发有限公司 | Pure straw stackretting-free feeding methane fermentation method |
| CN101637778B (en) * | 2009-08-25 | 2012-07-04 | 云南昆船设计研究院 | Comprehensive processing technology of organic wastes |
| CN101973682A (en) * | 2010-10-22 | 2011-02-16 | 东北农业大学 | Wet and dry coupling anaerobic fermentation process method |
| CN102162000A (en) * | 2010-12-10 | 2011-08-24 | 刘达苏 | Method and device for applying methane to industrial hating furnace |
| CN102174380A (en) * | 2011-03-11 | 2011-09-07 | 黑龙江省科学院科技孵化中心 | Raw material pretreatment device and system for realizing methane collection by utilizing device |
| CN102206028A (en) * | 2011-03-28 | 2011-10-05 | 上海百泉生物技术有限公司 | Full-automatic device of producing and purifying biogas and its application |
| CN102206028B (en) * | 2011-03-28 | 2013-01-02 | 上海百泉生物技术有限公司 | Full-automatic device of producing and purifying biogas and application thereof |
| CN103045570B (en) * | 2013-01-15 | 2014-06-11 | 熊鹏 | Simple method for replenishing cellulosic raw material reversely |
| CN103045570A (en) * | 2013-01-15 | 2013-04-17 | 熊鹏 | Simple method for replenishing cellulosic raw material reversely |
| CN103226790B (en) * | 2013-04-09 | 2017-10-31 | 四川大学 | Methane gas producing amount querying method and system |
| CN104561120A (en) * | 2015-02-04 | 2015-04-29 | 河南省高新技术实业总公司 | Method for preparing biogas through straw three-stage anaerobic fermentation |
| CN105018344A (en) * | 2015-08-04 | 2015-11-04 | 常州亚环环保科技有限公司 | Biological-chemical circulating biogas fermentation device capable of continuously feeding straws |
| CN105950446A (en) * | 2016-05-13 | 2016-09-21 | 安徽金农惠民生物技术有限公司 | Device for treating dewatered algae ooze and straw mixture by utilizing high-temperature dry-type anaerobic digestion treatment |
| CN109136287A (en) * | 2018-08-31 | 2019-01-04 | 同济大学 | The method of macro comminution pretreatment raising stalk wet type anaerobic digestion gas production performance |
| CN109136287B (en) * | 2018-08-31 | 2024-01-19 | 同济大学 | Method for improving straw wet anaerobic digestion gas production performance through micro-crushing pretreatment |
| CN109401931A (en) * | 2018-12-08 | 2019-03-01 | 内蒙古弘达生物环保科技有限责任公司 | A kind of charging of biogas project raw material and pretreatment system |
| CN111778292A (en) * | 2020-06-22 | 2020-10-16 | 四川华地康生态农业有限公司 | Agricultural solid waste biological fermentation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101338325A (en) | Process for producing methane by dry-type fermentation of stalks | |
| Li et al. | Solid-state anaerobic digestion for methane production from organic waste | |
| Yu et al. | Anaerobic co-digestion of corn stover and chicken manure using continuous stirred tank reactor: The effect of biochar addition and urea pretreatment | |
| CN102199630B (en) | Anaerobic dry fermentation method for generating biogas and used system thereof | |
| Wang et al. | A review on bio‐hydrogen production technology | |
| CN102212561B (en) | Processing method of straw combined with dry method and wet method | |
| US20130065290A1 (en) | Combined dry and wet dual phase anaerobic process for biogas production | |
| CN104878046A (en) | Aerobiotic and anaerobic coupled two-phase fermentation marsh gas generation process method | |
| Xie et al. | Improving anaerobic digestion of corn straw by using solid-state urea pretreatment | |
| CN103451095B (en) | Method for preparing marsh gas through straw, excrement and kitchen waste | |
| CN101407826B (en) | Large scale stalk anaerobic fermentation technique and apparatus | |
| CN110079448B (en) | Method and device for preparing biogas through straw and excrement three-stage co-fermentation | |
| CN104152493A (en) | Method for improving yield of methane produced by anaerobic digestion of biomass raw materials | |
| Wang et al. | A coupling strategy for comprehensive utilization of distillers’ grains towards energy recovery and carbon sequestration | |
| CN104531767A (en) | Technology for methane production through aerobiotic acidification and anaerobic fermentation by means of straw | |
| CN100491517C (en) | Feedback organic waste biological fermentation device | |
| Zou et al. | Batch and semi–continuous experiments examining the sludge mesophilic anaerobic digestive performance with different varieties of rice straw | |
| Arelli et al. | Solid state anaerobic digestion of organic waste for the generation of biogas and bio manure | |
| Chen et al. | Synergistic mechanism of substrate hydrolysis and methanogenesis under “gradient anaerobic digestion” process | |
| CN203582867U (en) | Staged pneumatic stirring fermentation device | |
| CN101250068A (en) | Method for producing photosynthetic bacteria biofertilizer from livestock farm sewage | |
| CN107353069A (en) | A kind of methane/hydrogen coproduction organic fertilizer integration installation for fermenting and fermentation process | |
| Yang et al. | Dual optimization in anaerobic digestion of rice straw: Effects HRT and OLR coupling on methane production in one-stage and two-stage systems | |
| CN101445810B (en) | Method for preparing hydrogen by fermenting biologically pretreated straw | |
| CN111793655A (en) | A rapid start-up process and stable operation method for dry fermentation of chicken manure and corn stalks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090107 |