Performance on coagulation-sedimentation pretreatment of VAE emulsion wastewater - 文章详情页

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Coagulation-sedimentation　process　was　used　for　VAE　emulsion　wastewater　pretreatment.　Turbidity　and　COD　removal　efficiency　by　FeCl3　and　poly-ferric　sulfate　(SPFS)　were　compared.　Influence　of　pH　value　on　coagulation　effect　of　FeCl3　and　coagulation　aid　efficiency　of　different　coagulant　aids　were　investigated　to　achieve　more　effective　pretreatment　method　of　the　VAE　emulsion　wastewater.　Results　indicate　that　coagulation　effect　of　FeCl3　is　better　than　that　of　SPFS.　Optimum　rang　of　pH　value　is　7-9.　Coagulation　aid　effect　of　cationic　PAM-CZ4060　to　FeCl3　is　obvious.

关键词：

Sedimentation Iron compounds Efficiency Sulfur compounds Emulsification pH Turbidity Chlorine compounds Coagulation

作者机构：

[ 1 ] [Yang, Yan-Ling]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Fang, Ke-Hua]Beijing Herocan Environmental Engineering Technology Co. Ltd., Beijing 100021, China
[ 3 ] [Li, Xing]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Xu, Liu-Zhu]Safety and Environment Department, Organic Chemical Plant, Beijing Eastern Petrol Chemical Co. Ltd., Beijing 100022, China
[ 5 ] [Zhou, Wei-Ning]Safety and Environment Department, Organic Chemical Plant, Beijing Eastern Petrol Chemical Co. Ltd., Beijing 100022, China
[ 6 ] [Wu, Zhi-Li]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China

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