Respirometric analysis of activated sludge models from palm oil mill effluent

被引：30

作者：

Damayanti, A. ^{[1
]}

Ujang, Z. ^{[1
]}

Salim, M. R. ^{[1
]}

Olsson, G. ^{[2
]}

Sulaiman, A. Z. ^{[3
]}

机构：

[1] Univ Teknol Malaysia, Inst Environm & Water Resource Management IPASA, Skudai 81310, Johor Bahru, Malaysia

[2] LTH, Ind Elect Engn & Automat IEA, SE-22100 Lund, Sweden

[3] Massey Univ, Sch Engn, Palmerston North 4442, New Zealand

来源：

BIORESOURCE TECHNOLOGY | 2010年 / 101卷 / 01期

关键词：

Activated sludge models; COD fractionations; Palm oil mill effluent; Respirometry test; LIQUID MASS-TRANSFER; WASTE-WATER; MEMBRANE BIOREACTOR; BIODEGRADABILITY; GROWTH;

D O I：

10.1016/j.biortech.2009.08.034

中图分类号：

S2 [农业工程];

学科分类号：

082806 [农业信息与电气工程];

摘要：

Activated sludge models (ASMs) have been widely used as a basis for further model development in wastewater treatment processes. Values for parameters to be used are vital for the accuracy of the modeling approach. A continuous stirred tank reactor (CSTR), as open respirometer with continuous flow for 20 h is used in ASMs. The dissolved oxygen (DO) profile for 11 days was monitored. It was found the mass transfer coefficient K-La is 0.3 h(-1) during lag and start feed phase and 0.01 h(-1) during stop feed phase, while the heterotrophic yield coefficient Y-H is 0.44. Some of the chemical oxygen demand (COD) fractionations of palm oil mill effluent (POME) using respirometric test in ASM models are S-s 50 mg/L, S-1 16,600 mg/L, X-S 25,550 mg/L, and X-1 2,800 mg/L The comparison of experimental and ASM I from OUR concentration is found to fit well. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：144 / 149

页数：6

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