Methane production from wheat straw with anaerobic sludge by heme supplementation
文献类型: 外文期刊
第一作者: Xi, Yonglan
作者: Xi, Yonglan;Chang, Zhizhou;Ye, Xiaomei;Xu, Rong;Du, Jing;Chen, Guangyin
作者机构:
关键词: Wheat straw;Heme;Anaerobic digestion;Methane;NADH/NAD~+
期刊名称:BIORESOURCE TECHNOLOGY ( 影响因子:9.642; 五年影响因子:9.237 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Wheat straw particles were directly used as substrate for batch anaerobic digestion with anaerobic sludge under 35 °C to evaluate the effects of adding heme on methane production. When 1 mg/l heme was added to the fermentation process with no agitated speed, a maximum cumulative methane production of 12227.8 ml was obtained with cumulative methane yield of wheat straw was 257.4 ml/g-TS (total solid), which was increased by 20.6% compared with 213.5 ml/g-TS of no heme was added in the reactor. Meanwhile, oxido-reduction potential (ORP) level was decreased, the activity of coenzyme F_(420) was significantly improved and NADH/NAD~+ ratio were the highest than other experimental groups. These results suggest that heme-supplemented anaerobic sludge with no agitated speed may be providing a more reductive environment, which is a cost-effective method of anaerobic digestion from biomass waste to produce methane with less energy consuming.
分类号: Q
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