期刊
INTERNATIONAL BIODETERIORATION & BIODEGRADATION
卷 64, 期 7, 页码 676-681出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ibiod.2010.08.004
关键词
Biofilm; Membrane bioreactor; Textile wastewater; Azo dye; Aromatic amines
资金
- European Union [ENV 2007 3 111-211534]
This study evaluated the treatability of simulated textile wastewaters in a bench-scale experimental system comprising an anaerobic biofilter an anoxic reactor and an aerobic membrane bioreactor The Reactive Orange 16 (RO16) was used as model of azo dye The proposed system was demonstrated to be effective in the treatment of the synthetic wastewater under the operating conditions applied in the study The results demonstrate that neither the azo dye nor the aromatic amines formed by the anaerobic azo-bond cleavage seem to significantly affect the COD and nitrogen removal under the operating conditions applied Although aromatic amines are considered easily degradable under aerobic conditions the results confirms that at least the sulfonated aromatic amines formed under anaerobic conditions from the RO16 are recalcitrant to biodegradation and therefore aromatic amines are still a matter of concern for the biological treatment of textile wastewater (C) 2010 Elsevier Ltd All rights reserved
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