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Ethanol dehydration via azeotropic distillation with gasoline fraction mixtures as entrainers: A pilot-scale study with industrially produced bioethanol and naphta

机译:通过共沸蒸馏以汽油馏分混合物为夹带剂的乙醇脱水:工业生产的生物乙醇和石脑油的中试研究

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摘要

Various hydrocarbons (n-hexane, cyclohexane, toluene, isooctane) and mixtures of them (binary, ternary or quaternary), as well as two different types of industrially produced naphtha (one obtained by direct distillation and the other from a catalytic cracking process), have been tested as candidate entrainers to dehydrate ethanol. The tests were carried out in an azeotropic distillation column on a semi pilot plant. The results show that it is possible to dehydrate bioethanol using naphtha as entrainer, obtaining as a result a fuel blend with negligible water content and ready for immediate use in motor vehicles. (C) 2015 Elsevier B.V. All rights reserved.
机译:各种碳氢化合物(正己烷,环己烷,甲苯,异辛烷)及其混合物(二元,三元或四元),以及两种不同类型的工业生产的石脑油(一种通过直接蒸馏获得,另一种通过催化裂化工艺获得)已被测试为乙醇脱水的候选夹带剂。测试是在半试验装置的共沸蒸馏塔中进行的。结果表明,可以使用石脑油作为夹带剂对生物乙醇进行脱水,从而获得水含量可忽略不计的燃料混合物,并可以立即用于汽车。 (C)2015 Elsevier B.V.保留所有权利。

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