Enhancement of methane production from barley waste

被引：99

作者：

Neves, L. ^{[1
]}

Ribeiro, R. ^{[1
]}

Oliveira, R. ^{[1
]}

Alves, M. M. ^{[1
]}

机构：

[1] Univ Minho, Ctr Engn Biol, P-4710057 Braga, Portugal

来源：

BIOMASS & BIOENERGY | 2006年 / 30卷 / 06期

关键词：

anaerobic co-digestion; biogas; kitchen waste; alkaline hydrolysis pre-treatment; barley waste;

D O I：

10.1016/j.biombioe.2005.12.003

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Two different approaches were attempted to try and enhance methane production from an industrial waste composed of 100% barley, which results from. production of instant coffee substitutes. In previous work, this waste was co-digested with an excess of activated sludge produced in the wastewater treatment plant located in same industrial unit, resulting in a very poor methlane yield (25 LCH4(STP)/ kgVS(initial)), and low reductions in total solids (31 %) and in volatile solids (40%). When the barley waste (BW) was subjected to alkaline hydrolysis pre-treatment before co-digestion with activated sludge, the methane production increased to 222 LCH4(STP)/kgVS(initial) and the total and volatile solids reductions increased to 67% and 84%, respectively. The second approach, followed in the present work, consisted of co-digestion with kitchen waste (40% BW, 60% kitchen waste). The methane production was 363 LCH4(STP)/kgVS(initial) and the total and volatile solids reductions were 61 % and 67%, respectively. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：599 / 603

页数：5

共 7 条

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