低温热解油厌氧消化产甲烷条件研究

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Abstract This article focused on the research of anaerobic digestion conditions using low-temperature pyrolysis oil, including the fresh inoculum acclimatization, the operation conditions of pyrolysis oil (PO) digestion and the influence of biomass pyrolysis parameters. The coupling process was studied by controlling different pyrolysis parameters and anaerobic digestion parameters. It can be concluded that the fresh sludge inoculum acclimatization can significantly improve the tolerance to the inhibitors contained in the PO, thus, the methane production from the PO digestion to a great degree. The mesophilic condition was favorable to the biooil biomethanation for the low POs under 4% as used in the experiment, whereas the thermophilic condition was favorable for the high PO concentration of 10%. Besides, more methane production can be given by 0.85mm biomass particle size, 300℃ pyrolysis temperature in the downstream step of PO digestion.

Key words： biomass pyrolysis anaerobic digestion acclimatization pyrolysis oil

Received: 22 January 2021

PACS:	X705
	X172

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	Articles by authors
	DING Chao
	ZHANG Zhen-wen
	WANG Lu-yang
	ZHANG Wen-nan
	YU Chun-jiang

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DING Chao,ZHANG Zhen-wen,WANG Lu-yang等. The research on anaerobic digestion conditions of biomethanation using low-temperature pyrolysis oil[J]. CHINA ENVIRONMENTAL SCIENCECE, 2021, 41(8): 3676-3683.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2021/V41/I8/3676

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