期刊
JOURNAL OF CLEANER PRODUCTION
卷 17, 期 2, 页码 111-114出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2008.03.003
关键词
Water reuse; Printing and dyeing wastewater; Sub-filter technology; Biological treatment; CODcr
In this work, a pilot-scale (300 m(3)/d) wastewater reclamation system was tested for printing and dyeing wastewater treatment from a textile factory. The wastewater was first hydrolyzed under anoxic condition, and then was treated under aerobic condition. Biologically treated wastewater was filtered by subfilter technology (Patent: CN1308024A). The results showed that the average concentration of CODcr, color and turbidity in the effluent were less than 50 mg/L, 10 times and 2 NTU, respectively. The average CODcr, color and turbidity removal efficiencies were 91%. 92.5% and 90.9%, respectively. The treated effluent quality satisfied the requirement of water quality for printing and dyeing process. The most attracting part of the work was its extremely low color, low turbidity, low concentration of Fe and Mn, which was always demanded in textile sectors for an improved finish and better quality dyeing. (C) 2008 Elsevier Ltd. All rights reserved.
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