Biological treatment of acid dyeing wastewater using a sequential anaerobic/aerobic reactor system

被引：65
作者：
Isik, M
Sponza, DT
机构：
[1] Dokuz Eylul Univ, Fac Engn, Dept Environm Engn, TR-35160 Izmir, Turkey
[2] Nigde Univ, Aksaray Engn Fac, Dept Environm Engn, TR-68100 Aksaray, Turkey
来源：
ENZYME AND MICROBIAL TECHNOLOGY | 2006年 / 38卷 / 07期
关键词：
acid wool dyeing; azo dyes; sequential; biological treatment;
D O I：
10.1016/j.enzmictec.2005.05.018
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The treatment of the wastewater taken from a wool dyeing processing in a wool manufacturing plant was investigated using an anaerobic/aerobic sequential system. The process units consisted of an anaerobic UASB reactor and an aerobic CSTR reactor. Glucose, alkalinity and azo dyes were added to the raw acid dyeing wastewater in order to simulate the dye industry wastewater since the raw wastewater contained low levels of carbon, NaHCO3 and color through anaerobic/aerobic sequential treatment. The UASB reactor gave COD and color removals of 51-84% and 81-96%, respectively, at a HRT of 17 h. The COD and color removal efficiencies of the UASB/CSTR sequential reactor system were 97-83% and 87-80%, respectively, at a hydraulic retention time (HRTs) of 3.3 days. The aromatic amines (TAA) formed in the anaerobic stage were effectively removed in the aerobic stage. (c) 2006 Elsevier Inc. All rights reserved.
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收藏
页码：887 / 892
页数：6
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