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

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 reac...

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Published inApplied catalysis. A, General Vol. 308; pp. 223 - 230
Main Authors Tejero, J., Fité, C., Iborra, M., Izquierdo, J.F., Bringué, R., Cunill, F.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 10.07.2006
Elsevier
Subjects
1-Pentanol
Alcohol dehydration
Catalysis
Chemistry
Colloidal state and disperse state
Di- n-pentyl ether
Diesel fuel
Exact sciences and technology
General and physical chemistry
Porous materials
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Diesel fuel
Alcohol dehydration
1-Pentanol
Di- n-pentyl ether
Water
Catalytic reaction
Ether
Alcohol
Dehydration
Porous material
Heterogeneous catalysis
Microporosity
Di-n-pentyl ether
Ion exchange resin
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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.
AbstractList 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.
Author Iborra, M.
Bringué, R.
Izquierdo, J.F.
Cunill, F.
Tejero, J.
Fité, C.
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  fullname: Bringué, R.
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Cites_doi 10.1016/0166-6622(88)80145-8
10.1016/0009-2509(90)80013-5
10.1021/ie970454d
10.1021/ie030755p
10.1023/A:1019069107667
10.1016/0304-5102(86)85046-5
10.1016/0021-9517(73)90266-2
10.1016/0304-5102(84)85019-1
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10.1016/j.apcata.2004.09.015
10.1016/S1381-1169(01)00492-7
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Keywords Diesel fuel
Alcohol dehydration
1-Pentanol
Di- n-pentyl ether
Water
Catalytic reaction
Ether
Alcohol
Dehydration
Porous material
Heterogeneous catalysis
Microporosity
Di-n-pentyl ether
Ion exchange resin
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Snippet 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...
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StartPage 223
SubjectTerms 1-Pentanol
Alcohol dehydration
Catalysis
Chemistry
Colloidal state and disperse state
Di- n-pentyl ether
Diesel fuel
Exact sciences and technology
General and physical chemistry
Porous materials
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Title Dehydration of 1-pentanol to di- n-pentyl ether catalyzed by a microporous ion-exchange resin with simultaneous water removal
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