CO Biomethanation with Different Anaerobic Granular Sludges

被引:6
|
作者
Zhang, Zhenwen [1 ,2 ]
Ding, Chao [1 ,2 ]
Wang, Luyang [1 ,2 ]
Jiang, Bingyi [1 ,2 ]
Soderlind, Ulf [2 ]
Zhang, Wennan [2 ]
Yu, Chunjiang [1 ]
机构
[1] Zhejiang Univ, State Key Lab Clean Energy Utilizat, 38 Zheda Rd, Hangzhou 310027, Zhejiang, Peoples R China
[2] Mid Sweden Univ, Dept Chem Engn, S-85170 Sundsvall, Sweden
关键词
Methane; Carbon monoxide; Biomethanation; Anaerobic granular sludge; CARBON-MONOXIDE; SYNGAS BIOMETHANATION; BIOGAS PRODUCTION; DIGESTION; PERFORMANCE; CONVERSION; BIOMASS; PRETREATMENT;
D O I
10.1007/s12649-020-01285-x
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Biomethanation of the syngas from biomass gasification provides an alternative method for production of biofuel and chemicals. CO in syngas plays a key role in biomethanation of syngas, as it is both a substrate and an inhibitor of certain methanogenesis processes. In this study, CO biomethanation by using a mixture of N-2 and CO as the gas substrate, was investigated with the help of 5 adapted anaerobic granular sludges under thermophilic and mesophilic conditions. The results show that CO biomethanation by the adapted inocula is omnipresent. The sludge from the juice plant has a methane yield more than 80% of the theoretical value both at 37 degrees C and 55 degrees C. Increasing the temperature from 37 degrees C to 55 degrees C has a slight effect on the final methane production, but can significantly increase the CO consumption rate and shorten the time for CO biomethanation. [GRAPHICS] .
引用
收藏
页码:3913 / 3925
页数:13
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