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Title of Journal: Bioprocess Biosyst Eng

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Abbravation: Bioprocess and Biosystems Engineering

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Springer Berlin Heidelberg

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DOI

10.1007/s11468-012-9434-5

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1615-7605

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Removal of pigments from molasses wastewater by co

Authors: Ben Chen Xiaofei Tian Lian Yu Zhenqiang Wu
Publish Date: 2016/08/08
Volume: 39, Issue: 12, Pages: 1867-1875
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Abstract

Pigments in molasses wastewater MWW effluent such as melanoidins were considered as kinds of the most recalcitrant and hazardous colorant contaminants to the environment In this study decoloring the MWW by a synergistic combination of microelectrolysis with biotreatment was performed Aiming to a high decolorization yield levels of nutrition source supplies MWW dilution ratio and microelectrolysis reaction time were optimized accordingly For a diluted 50  v/v MWW an maximum overall decolorization yield 971 ± 05  for absorbance at 475 nm was achieved through the bioelectrolysis treatment In electrolysis biotreatment the positive effect of microelectrolysis was also revealed by a promoted growth of fungal biomass as well as activities of ligninolytic enzymes Activities of lignin peroxidase manganese peroxidase and laccase were promoted by 1112 1039 and 77  respectively This study also implied that the biotreatment and the microelectrolysis had different efficiencies on removal of pigments with distinct polarities

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