Results 291 to 300 of about 170,215 (350)

Simulation, control and evaluation of thermal exchange settings in the process of ethanol dehydration in fixed bed reactor

, 2017
Hiago Vieira de Miranda
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Dehydration of Ethanol over HF-treated Al2 O3 using the GC-column as Chemical Reactor

, 1981
Fikry M. Ebeid, Sherifa S. Alkaaby
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Dehydration of aqueous ethanol

Energy in Agriculture, 1987
Abstract Upgrading of aqueous alcohol to anhydrous ethanol may be accomplished using a packed bed adsorption process, in which cracked grain corn is the adsorbent. A 0.35 m diameter by 3.0 m dehydration column was designed and constructed on the basis of data obtained in a series of bench-scale experiments.
B. Tanaka, L. Otten
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Renewable energy source—Dehydrated ethanol

Chemical Engineering Journal, 2008
Abstract Ethanol produced from renewable energy sources—biomass, is the most promising future biofuel. In the article, a pervaporation membrane technique for ethanol dehydration is presented. Experimental results and semi-empirical and empirical models calculated on their basis are discussed.
Wladyslaw Kaminski, Joanna Marszalek, Agnieszka Ciolkowska   +2 more
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Heat Integrated Ethanol Dehydration Flowsheets

Separation Science and Technology, 1995
Abstract A theoretical evaluation of heat-integrated heterogeneous-azeotropic ethanol-water distillation flowsheets is presented. Simulations of two column flowsheets using several different hydrocarbon entrainers reveal a region of potential heat integration and substantial reduction in operating energy.
L. S. Hutahaean, W-H. Shen, V. Van Brunt
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Dehydration of Ethanol to Ethylene

Industrial & Engineering Chemistry Research, 2013
This article is an up-to-date review of the literature available on the subject of ethanol to ethylene. The process of ethanol to ethylene has broad development prospects. Compared with the process of petroleum to ethylene, ethanol dehydration to ethylene is economically feasible.
Minhua Zhang, Yingzhe Yu
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Ethanol dehydration by extractive distillation

Journal of Chemical Technology & Biotechnology, 1992
AbstractExperiments and process simulation enable favourable operating conditions to be determined for the extractive distillation of ethanol—water, with ethylene glycol as a solvent. The solvent molar rate to feed molar rate ratio S/F = 0·6 and the reflux ratio R = 0·5 were determined in order to achieve at least 99·5 mole % purity of ethanol.
Antonio Meirelles, Siegfried Weiss, Herbert Herfurth   +2 more
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Optimization of hybrid ethanol dehydration systems

Chemical Engineering and Processing: Process Intensification, 2002
Abstract Hybrid ethanol dehydration systems are modeled and optimized using MINLP. The systems consist of a distillation column for approaching the ethanol/water azeotrope and of a pervaporation unit for producing pure ethanol. The optimal design and operating parameters including number of trays, feed location, reflux ratio, number of membrane ...
Z. Szitkai, Z. Lelkes, E. Rev, Z. Fonyo
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Liquid-Phase Dehydration of Aqueous Ethanol-Gasoline Mixtures

Science, 1980
Two-phase mixtures of gasoline, water, and ethanol were dehydrated with both starch and saponified starch- g -polyacrylonitrile (HSPAN). Whereas starch absorbed ethanol as well as water, HSPAN selectively absorbed the water component, allowing ethanol to dissolve in the gasoline phase.
G F, Fanta, R C, Burr, W L, Orton, W M, Doane   +3 more
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