Solid-state anaerobic co-digestion of hay and soybean processing waste for biogas production.
作者： Jiying Zhu , Yi Zheng , Fuqing Xu , Yebo Li
DOI: 10.1016/J.BIORTECH.2013.12.045
关键词:
摘要: Co-digestion of soybean processing waste (SPW) and hay in solid-state anaerobic digestion (SS-AD) for biogas production was investigated. Effects the SPW to ratio, feedstock effluent (inoculum) premixing with feedstock, leachate recirculation on via SS-AD were studied. The highest methane yield 258 L/kg VS obtained a SPW/hay ratio 75:25 feedstock/effluent (F/E) 3, which 148% 50% higher than that 100% hay, respectively. Increasing F/E from 1 5 decreased yield, however volumetric (16.2L/L reactor) at an 3. There no significant difference yields between effluent. Leachate significantly accelerated start-up process when not completely premixed.
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