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Iranian Journal of Biotechnology، جلد ۱۴، شماره ۳، صفحات ۹۴-۱۰۲
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عنوان انگلیسی Bioremediation and Detoxification of the Textile Wastewater with Membrane Bioreactor Using the White-rot Fungus and Reuse of Wastewater
چکیده انگلیسی مقاله Background: Application of membrane technology to wastewater treatment has expanded over the last decades due to increasingly stringent legislation, greater opportunities for water reuse/recycling processes and continuing advancement in membrane technology. Objectives: In the present study, a bench-scale submerged microfiltration membrane bioreactor (MBR) was used to assess the treatment of textile wastewater. Materials and Methods: The decolorization capacity of white-rot fungus coriolus versicolor was confirmed through agar plate and liquid batch studies. The temperature and pH of the reactor were controlled at 29±1°C and 4.5±2, respectively. The bioreactor was operated with an average flux of 0.05 m.d-1 (HRT=15hrs) for a month. Results: Extensive growth of fungi and their attachment to the membrane led to its fouling and associated increase of the transmembrane pressure requiring a periodic withdrawal of sludge and membrane cleaning. However, stable decoloration activity (approx. 98%), BOD (40-50%), COD (50-67%) and total organic carbon (TOC) removal (>95%) was achieved using the entire system (fungi + membrane), while the contribution of the fungi culture alone for TOC removal, as indicated by the quality of the reactor supernatant, was 35-50% and 70%, respectively. Conclusions: The treated wastewater quality satisfied the requirement of water quality for dyeing and finishing process excluding light coloration. Therefore, textile wastewater reclamation and reuse is a promising alternative, which can both conserve or supplement the available water resource and reduce or eliminate the environmental pollution.
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نویسندگان مقاله kaizar حسین |
department of school of industrial technology, university sains malaysia, pulau pinang, malaysia

shlrene quaik |
department of school of industrial technology, university sains malaysia, pulau pinang, malaysia

norli اسماعیل |
department of school of industrial technology, university sains malaysia, pulau pinang, malaysia

محمد rafatullah |
department of school of industrial technology, university sains malaysia, pulau pinang, malaysia

maruthi avasan |
department of environmental studies, gitam university, vishakhapatnam, ap india

rameeja shaik |
department of environmental sciences, andhra university, vishakhapatnam, ap india

نشانی اینترنتی http://www.ijbiotech.com/article_15458_f48ac4af7ebe84c2ff062f6790081504.pdf
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