Comparison of solid-state to liquid anaerobic digestion of lignocellulosic feedstocks for biogas production

被引：251

作者：

Brown, Dan ^{[1
]}

Shi, Jian ^{[1
]}

Li, Yebo ^{[1
]}

机构：

[1] Ohio State Univ, Ohio Agr Res & Dev Ctr, Dept Food Agr & Biol Engn, Wooster, OH 44691 USA

来源：

BIORESOURCE TECHNOLOGY | 2012年 / 124卷

关键词：

Solid-state anaerobic digestion; Biogas; Corn stover; Switchgrass; Lignocellulosic biomass; METHANE FERMENTATION; LEAF BIOMASS; ENERGY CROPS; PRETREATMENT; ENZYMES; WASTES;

D O I：

10.1016/j.biortech.2012.08.051

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Lignocellulosic biomass feedstocks (switchgrass, corn stover, wheat straw, yard waste, leaves, waste paper, maple, and pine) were evaluated for methane production under liquid anaerobic digestion (L-AD) and solid-state anaerobic digestion (SS-AD). No significant difference in methane yield between L-AD and SS-AD, except for waste paper and pine, were found. However, the volumetric productivity was 2- to 7-fold greater in the SS-AD system compared with the L-AD system, except for paper. Methane yields from corn stover, wheat straw, and switchgrass were 2-5 times higher than those from yard waste, maple, and pine biomass. Waste paper had a methane yield of only 15 L/kg VS caused by souring during SS-AD due to organic overloading. Pine also had very low biogas yield of 17 L/kg VS, indicating the need for pretreatment prior to SS-AD. The findings of this study can guide future studies to improve the efficiency and stability of SS-AD of lignocellulosic biomass. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：379 / 386

页数：8

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