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Bipolar membrane electrodialysis for treatment of sodium acetate waste residue

机译:双极膜电渗析处理醋酸钠废渣

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Large amounts of solid waste residue containing high salinity and a series of organic impurities are produced during the manufacturing process of dithianon in insecticide factories, posing a severe environmental pollution problem. Here sodium acetate (CH3COONa) waste residue is firstly tested by diffusion dialysis (DD) to investigate the permeability of different commercial ion exchange membranes. Selemion CMV and AMV membranes show low permeability to the organic impurities of the waste residue, and hence are chosen for the following bipolar membrane electrodialysis (BMED) experiments to regenerate acid and base.
机译:在杀虫剂工厂的二噻酮生产过程中,会产生大量含高盐分的固体废物残渣和一系列有机杂质,这带来了严重的环境污染问题。在这里,首先通过扩散渗析(DD)测试乙酸钠(CH3COONa)废渣,以研究不同商业离子交换膜的渗透性。 Selemion CMV和AMV膜对废渣中的有机杂质显示出较低的渗透性,因此被选择用于随后的双极膜电渗析(BMED)实验以再生酸和碱。

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