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首页> 外文期刊>Journal of hydro-environment research >Forced migration of soluble and suspended materials by freezing front in aqueous systems
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Forced migration of soluble and suspended materials by freezing front in aqueous systems

机译:通过冻结水性系统中的前沿来强制迁移可溶性和悬浮性材料

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摘要

Migration of soluble and suspended materials by directional freezing of aqueous systems has been studied qualitatively. Slow freezing was employed vertically as well as horizontally through solutions and suspensions. In all cases, the impurities (soluble salts as well as suspended materials) were appreciably forced out by dynamic freezing front. The phenomenon worked for concentrating/separating inorganic ions, soluble organic compounds and dyes in synthetic solutions as well as in natural streams. Various analytical techniques were employed to monitor the migrating species through the freezing media. It was found that separation efficiency depends on different factors like rate of cooling, pH and concentration. Model experiments were designed and exercised successfully to employ the technique for treatment of dye-polluted water.
机译:定性地研究了通过水系统的定向冻结来迁移可溶性和悬浮物质。通过溶液和悬浮液在垂直方向和水平方向均采用慢速冷冻。在所有情况下,动态冻结前沿都会明显地驱除杂质(可溶性盐和悬浮物)。这种现象有助于在合成溶液以及天然流中浓缩/分离无机离子,可溶性有机化合物和染料。采用了各种分析技术来监测通过冷冻介质的迁移物种。发现分离效率取决于不同的因素,例如冷却速率,pH和浓度。设计并成功进行了模型实验,以应用该技术处理染料污染的水。

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