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首页> 外文期刊>Journal of Applied Polymer Science >Hydrophilic modification of a poly(ether sulfone) flat-sheet ultrafiltration membrane applied to coking sewage
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Hydrophilic modification of a poly(ether sulfone) flat-sheet ultrafiltration membrane applied to coking sewage

机译：应用于焦化污水的聚（醚砜）平板上超滤膜的亲水性改性

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In this article, a new modified poly(ether sulfone) flat-sheet ultrafiltration membrane, which is expected to effectively handle coking sewage, was prepared by an immersion precipitation phase-inversion technique to settle the wastewater treatment problem in coking plants. Nanometer TiO2 particle-poly(ethylene glycol) (PEG) blends were used as additives to modify the membranes by a blending method. The effects of different PEG mass concentrations on the membrane structure and properties were studied. The pure water flux and chemical oxygen demand (COD) rejection rate were analyzed as aggregative indicators by the comprehensive evaluation method, and then, the optimal PEG mass concentration was determined. The results show that the best modified effect was obtained at a PEG mass concentration of 0.25%. When coking sewage in a secondary settling tank was filtered with such membranes, the COD rejection rate reached 90.68%, and the water flux was 127.21 L m(-2) h (-1). (C) 2017 Wiley Periodicals, Inc.
机译：在本文中，通过浸渍沉淀相反转技术制备预期有效处理焦化污水的新改性聚（醚砜）平板超滤膜，以解决焦化植物中的废水处理问题。纳米TiO 2颗粒聚（乙二醇）（PEG）共混物用作添加剂以通过混合方法改性膜。研究了不同PEG质量浓度对膜结构和性质的影响。通过综合评价方法分析纯净水通量和化学需氧量（COD）排斥率作为聚集指标，然后确定最佳PEG质量浓度。结果表明，在PEG质量浓度为0.25％的情况下获得最佳改性效果。当用这种膜过滤二次沉降罐中的污水时，COD抑制率达到90.68％，水通量为127.21LM（-2）H（-1）。 （c）2017 Wiley期刊，Inc。

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