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首页> 外文期刊>Separation and Purification Technology >Critical flux enhancement in electrically assisted microflltration
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Critical flux enhancement in electrically assisted microflltration

机译：电助微滤中的临界通量增强

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摘要

The use of electric fields as a means to enhance the critical flux of non-circular ceramic membranes is considered. The electroflltration performance is appraised with reference to (i) fouling propensity, i.e. critical flux and (ii) removal of organics. Critical flux determinations were carried out using constant transmembrane pressure step increments. The effluent from a synthetic activated sludge production process was used. Increasing the applied voltages appears to increase the critical flux. When the applied polarity of voltage is changed, the opposite trend is observed. Total organic content (TOC) removals of up to 90% are achieved which increase with increasing voltages. Good critical fluxes and permeate quality could be achieved with the electrical aid however; this is also accompanied with a substantial increase in energy consumption.
机译：考虑使用电场作为增强非圆形陶瓷膜的临界通量的手段。参照（i）结垢倾向，即临界通量和（ii）有机物的去除来评价电过滤性能。使用恒定的跨膜压力步长增量进行临界通量测定。使用了合成活性污泥生产过程中的废水。增加施加的电压似乎会增加临界通量。当施加的电压极性改变时，观察到相反的趋势。总有机物含量（TOC）去除率高达90％，随着电压的升高而增加。但是，使用电助剂可以达到良好的临界通量和渗透质量。这还伴随着能耗的大幅增加。

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