Adsorption of alcohol from water by poly(ionic liquid)s
Adsorption of alcohol from water by poly(ionic liquid)s
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DOI：
10.1007/s00449-012-0828-8
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发表时间：
2013-06
影响因子：
3.8
通讯作者：
W. Bi;Baokun Tang;K. Row
中科院分区：
文献类型：
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作者：
W. Bi;Baokun Tang;K. Row
生物乙醇被广泛用作溶剂，被认为是一种潜在的液体燃料。乙醇可以通过发酵从生物质中产生，这导致水中低浓度的酒精。传统的蒸馏通常用于从水中分离乙醇，但它需要高能耗。因此，目前正在采取其他办法解决这一分离问题。本研究考察了聚离子液体（PIL）用于从水相中萃取和分离醇类的潜在用途。开发了疏水PIL，并通过从乙醇/水溶液中吸附乙醇来评价。所有必要的参数，如阳离子和阴离子的离子液体，聚合物的形态和加工条件，进行了评估。
Bioethanol is used widely as a solvent and is considered a potential liquid fuel. Ethanol can be produced from biomass by fermentation, which results in low concentrations of alcohol in water. Conventional distillation is normally used to separate ethanol from water, but it required high energy consumption. Therefore, alternative approaches to this separation are being pursued. This study examined the potential use of poly(ionic liquid)s (PILs) for the extraction and separation of alcohols from the aqueous phase. Hydrophobic PILs were developed and evaluated by the adsorption of ethanol from ethanol/water solutions. All the necessary parameters, such as cations and anions of the ionic liquid, morphology of the polymer and processing conditions, were evaluated.