Pilot-scale anaerobic co-digestion of municipal biomass waste and waste activated sludge in China: Effect of organic loading rate

被引：93

作者：

Liu, Xiao ^{[1
]}

Wang, Wei ^{[1
]}

Shi, Yunchun ^{[1
]}

Zheng, Lei ^{[1
]}

Gao, Xingbao ^{[2
]}

Qiao, Wei ^{[3
]}

Zhou, Yingjun ^{[4
]}

机构：

[1] Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China

[2] Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China

[3] China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China

[4] Kyoto Univ, Grad Sch Engn, Dept Urban & Environm Engn, Nishikyo Ku, Kyoto 6158540, Japan

来源：

WASTE MANAGEMENT | 2012年 / 32卷 / 11期

基金：

中国博士后科学基金; 国家高技术研究发展计划(863计划);

关键词：

Anaerobic co-digestion; Municipal biomass waste; Waste activated sludge; Organic loading rate; SOLID-WASTES; SEWAGE-SLUDGE; PERFORMANCE; STABILITY; FRACTION; FUTURE; FRUIT;

D O I：

10.1016/j.wasman.2012.03.003

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effects of organic loading rate on the performance and stability of anaerobic co-digestion of municipal biomass waste (MBW) and waste activated sludge (WAS) were investigated on a pilot-scale reactor. The results showed that stable operation was achieved with organic loading rates (OLR) of 1.2-8.0 kg volatile solid (VS) (m(3) d)(-1), with VS reduction rates of 61.7-69.9%, and volumetric biogas production of 0.89-5.28 m(3) (m(3) d)(-1). A maximum methane production rate of 2.94 m(3) (m(3) d)(-1) was achieved at OLR of 8.0 kg VS (m(3) d)(-1) and hydraulic retention time of 15 days. With increasing OLRs, the anaerobic reactor showed a decrease in VS removal rate, average pH value and methane concentration, and a increase of volatile fatty acid concentration. By monitoring the biogas production rate (BPR), the anaerobic digestion system has a higher acidification risk under an OLR of 8.0 kg VS (m(3) d)(-1). This result remarks the possibility of relating bioreactor performance with BPR in order to better understand and monitor anaerobic digestion process. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：2056 / 2060

页数：5

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