Evaluation of continuous mesophilic anaerobic sludge digestion after high temperature microwave pretreatment

被引：106

作者：

Toteci, Isil ^{[1
]}

Kennedy, Kevin J. ^{[2
]}

Droste, Ronald L. ^{[2
]}

机构：

[1] Univ Ottawa, Dept Chem & Biol Engn, Ottawa, ON K1N 6N5, Canada

[2] Univ Ottawa, Dept Civil Engn, Ottawa, ON K1N 6N5, Canada

来源：

WATER RESEARCH | 2009年 / 43卷 / 05期

关键词：

Microwave; High temperature; Pretreatment; Waste activated sludge; Sludge retention time; Mesophilic anaerobic digestion; WASTE ACTIVATED-SLUDGE; THERMAL PRETREATMENT; ALKALINE PRETREATMENT; SEWAGE-SLUDGE; SOLUBILIZATION; DIGESTIBILITY; PERFORMANCE; 2-PHASE; STAGE;

D O I：

10.1016/j.watres.2008.12.022

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Effect of microwave pretreatment (MW) high temperature (175 degrees C) and MW intensity to waste activated sludge digested with acclimatized inoculum in single- and dual-stage semi-continuous mesophilic anaerobic digesters at different sludge retention times (SRTs) (20, 10 and 5 days) were investigated. MW pretreatment led to similar sludge stabilization at low SRTs (S and 10 days). Although lowering MW intensity slightly improved sludge solubilization, it had a negative effect on digestion at low SRTs. Single-stage digesters with MW pretreatment surpass dual-stage digesters performances. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1273 / 1284

页数：12

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