中层
沼气
厌氧消化
泥浆
肥料
嗜热菌
甲烷菌
农学
微生物种群生物学
甲烷
化学
制浆造纸工业
堆肥
生物能源
食品科学
生物燃料
环境科学
生物
生物技术
细菌
环境工程
生态学
工程类
有机化学
遗传学
作者
Yi Liu,Tianfeng Wang,Zhijie Xing,Yaopeng Ma,Fuxiong Nan,Lei Pan,Jixiang Chen
标识
DOI:10.1016/j.biortech.2022.127976
摘要
The objective of this study was to investigate the effects of mixing ratios of Chinese cabbage waste (CCW) and cow manure (CM) on methane yields, microbial community, and biogas slurry fertility during anaerobic co-digestion. Batch experiments were conducted at mesophilic and thermophilic temperatures with five different CCW/CM mixing ratios. Methane yields at mesophilic and thermophilic temperatures were 4.2-184.4 mL g-1 Volatile solidsadded (mL g-1 VSadded) and 11.8-321.7 mL g-1 VSadded, respectively. The richness and diversity of bacteria and archaea at mesophilic temperatures were higher than those at thermophilic temperatures. Compared with the unfertilized control, the dry weight of corn seedlings with the follow-up application of mesophilic or thermophilic biogas slurry increased by 12.3 %-73.4 % or 16.8 %-43.3 %, respectively. This study demonstrates that thermophilic temperatures are conducive to increasing methane yields, but mesophilic temperatures are conducive to improving the biogas slurry fertility.
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