Substrate removal kinetics in an upflow anaerobic sludge blanket reactor decolorising simulated textile wastewater

被引：142

作者：

Isik, M ^{[1
]}

Sponza, DT ^{[1
]}

机构：

[1] Dokuz Eylul Univ, Dept Environm Engn, Fac Engn, TR-35160 Buca Izmir, Turkey

来源：

PROCESS BIOCHEMISTRY | 2005年 / 40卷 / 3-4期

关键词：

simulated textile wastewater; UASB; Grau; Stover-Kineannon; Contois;

D O I：

10.1016/j.procbio.2004.04.014

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A simulated wastewater containing sizing agents, azo dyes, salts and other additives was treated using a lab-scale upflow anaerobic sludge blanket (UASB) reactor at different hydraulic retention times (HRT) in order to obtain the substrate removal kinetic of the reactor through decolorization of dyes. COD removal efficiencies decreased from 80 to 29.5% when the HRT decreased from 100 to 6 h. The colour removal efficiencies were between 90 and 95% for HRTs of 100 and 6. Monod, Contois, Gran second order, modified Stover-Kincannon, and first order kinetic models were applied to determine the substrate removal kinetic of UASB reactor. The experimental data obtained from the steady-state conditions showed that Grau second order, modified Stover-Kincannon and Contois substrate removal kinetic models were suitable than the other applied models for predicting the performance of lab-scale UASB reactor treating the azo dyes. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：1189 / 1198

页数：10

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