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首页> 外文期刊>Separation and Purification Technology >Separation and oxidative degradation of organic pollutants in aqueous systems by pervaporation and vacuum-ultraviolet-photolysis
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Separation and oxidative degradation of organic pollutants in aqueous systems by pervaporation and vacuum-ultraviolet-photolysis

机译：渗透蒸发和真空紫外光解法分离和氧化降解水性系统中的有机污染物

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摘要

This paper presents a new hybrid process for the treatment of industrial waste water. It combines pervaporation as a means of separating the pollutant from the condensed aqueous phase by phase transfer and vacuum-UV (VUV) gas phase photolysis for the oxidation degradation of the organic pollutant. Organic substances dissolved in water are separated and concentraed in a multistage pervaporation process. The gaseous permeate is subsequently oxidised and mineralised in a VUV-photochemically induced oxidation process. In contrast to the VUV-photolysis of aqueous solutions, gas phase photolysis is highly energy efficient. The process combination was developed from bench to pilot scale. The results show that industrial waste water containing orgaic pollutants can be purified to very low residual concentration permitting recycling, re-use (irrigation) or release into the environment.
机译：本文提出了一种新的混合工艺来处理工业废水。它结合了全蒸发作为通过相转移和真空-UV（VUV）气相光解从冷凝水相中分离污染物的方法，以降解有机污染物。溶解在水中的有机物质在多级渗透蒸发过程中被分离和浓缩。气态渗透物随后在VUV-光化学诱导的氧化过程中被氧化和矿化。与水溶液的VUV光解相反，气相光解具有很高的能源效率。该过程组合已从台式扩展到中试规模。结果表明，含有机污染物的工业废水可以净化到非常低的残留浓度，从而可以回收利用，再利用（灌溉）或释放到环境中。

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