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ECN publication
The Conceptual Design of a Continuous Pervaporation Membrane Reactor for the Production of 1,1-Diethoxy Butane
Agirre, I.; Belen Guemez, M.; Motelica, A.; Veen, H.M. van; Vente, J.F.; Arias, P.L.
Published by: Publication date:
ECN Efficiency & Infrastructure 4-11-2011
ECN report number: Document type:
ECN-W--11-056 Article (scientific)
Number of pages:

Published in: AIChE Journal (Wiley), , 2011,, p.-.

Acetals are considered as an important bio-based diesel additives. Generally, the catalytic production of these compounds from an alcohol and an aldehyde suffers from a low conversion because of thermodynamic limitations. These limitations can be overcome through the in situ removal of the by-product water using, for example, a water selective membrane. A critical evaluation on the membrane performance, catalyst activity, optimal configuration, and feed composition leads to the conclusion that a combined reaction and separation is unlikely to be advantageous. The water permeance of the selected membrane was assessed to be too low in relation with the catalyst activity.

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