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Dehydration of 1-pentanol to di-n-pentyl ether catalyzed by a microporous ion-exchange resin with simultaneous water removal

Paper ID Volume ID Publish Year Pages File Format Full-Text
44319 46014 2006 8 PDF Available
Title
Dehydration of 1-pentanol to di-n-pentyl ether catalyzed by a microporous ion-exchange resin with simultaneous water removal
Abstract

A good selectivity, more than 90%, and an excellent yield can be achieved in the DNPE synthesis by 1-pentanol dehydration at 130–155 °C using a gel-type acidic resin. It is the result of shifting the equilibrium point to DNPE formation through the removal of the formed water during the chemical reaction by distillation and reflux of the organic phase. Alkenes have been obtained as byproducts with selectivities ranging from 5 to 10% in the final product. A kinetic model in terms of compound activities describes satisfactorily the kinetic data. It is based on a mechanism in which the rate-determining step is the surface reaction between two adjacent adsorbed 1-pentanol molecules. The activation energy obtained for the dehydration reaction is 115 kJ mol−1.From the operation point of view, it has been proved that 1-pentanol dehydration can be successfully tracked by a calorimetric reactor equipped with a Fourier transform mid-infrared (FTIR) probe.

Keywords
1-Pentanol; Di-n-pentyl ether; Diesel fuel; Alcohol dehydration
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Dehydration of 1-pentanol to di-n-pentyl ether catalyzed by a microporous ion-exchange resin with simultaneous water removal
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 308, 10 July 2006, Pages 223–230
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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