Improved method and system for producing methane by using two-phase anaerobic digestion process
The invention relates to an improved method and system for producing methane by using a two-phase anaerobic digestion process, belonging to the field of recycling of the waste. The method comprises the following steps: maintaining headspace pressure in a hydrolytic acidification reactor at 3.0 to 3....
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| creator | HUANG HUANZHONG YAN BINGHUA |
| description | The invention relates to an improved method and system for producing methane by using a two-phase anaerobic digestion process, belonging to the field of recycling of the waste. The method comprises the following steps: maintaining headspace pressure in a hydrolytic acidification reactor at 3.0 to 3.5 psi and transferring unwanted gas in the hydrolytic acidification reactor to a methane reactor for reuse. The system comprises the hydrolytic acidification reactor, a methanation reactor, a methane gas collecting device and pressure transducer. The improved method and system provided by the invention have the characteristics of high efficiency, low cost, simple operation, reduction in carbon footprint and the like, realize the chemical oxygen demand (COD) and methane yield of 0.65 to 0.84 g per g of a volatile solid and 0.32 to 0.36 L per g of the volatile solid respectively, increases of 16 to 50% and 28 to 44% respectively compared with conventional design.
本发明涉及废物资源化领域，具体提供了种改进的两相厌氧消化产甲烷的方法及系统，所述方法包括将水解酸化反应器顶空 |
| format | Patent |
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本发明涉及废物资源化领域，具体提供了种改进的两相厌氧消化产甲烷的方法及系统，所述方法包括将水解酸化反应器顶空</description><language>chi ; eng</language><subject>APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY ; BEER ; BIOCHEMISTRY ; CHEMISTRY ; ENZYMOLOGY ; FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE ; METALLURGY ; MICROBIOLOGY ; MUTATION OR GENETIC ENGINEERING ; SPIRITS ; VINEGAR ; WINE</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170104&DB=EPODOC&CC=CN&NR=106282243A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170104&DB=EPODOC&CC=CN&NR=106282243A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUANG HUANZHONG</creatorcontrib><creatorcontrib>YAN BINGHUA</creatorcontrib><title>Improved method and system for producing methane by using two-phase anaerobic digestion process</title><description>The invention relates to an improved method and system for producing methane by using a two-phase anaerobic digestion process, belonging to the field of recycling of the waste. The method comprises the following steps: maintaining headspace pressure in a hydrolytic acidification reactor at 3.0 to 3.5 psi and transferring unwanted gas in the hydrolytic acidification reactor to a methane reactor for reuse. The system comprises the hydrolytic acidification reactor, a methanation reactor, a methane gas collecting device and pressure transducer. The improved method and system provided by the invention have the characteristics of high efficiency, low cost, simple operation, reduction in carbon footprint and the like, realize the chemical oxygen demand (COD) and methane yield of 0.65 to 0.84 g per g of a volatile solid and 0.32 to 0.36 L per g of the volatile solid respectively, increases of 16 to 50% and 28 to 44% respectively compared with conventional design.
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本发明涉及废物资源化领域，具体提供了种改进的两相厌氧消化产甲烷的方法及系统，所述方法包括将水解酸化反应器顶空</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BEER BIOCHEMISTRY CHEMISTRY ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING SPIRITS VINEGAR WINE |
| title | Improved method and system for producing methane by using two-phase anaerobic digestion process |
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