Martin Wolf, Rob de Lange, Frans Velterop Conventional

With the support of EFRO and:
PERVATECH
Process Intensification by Pervaporation
Martin Wolf, Rob de Lange, Frans Velterop
Pervatech BV, Rijssen, The Netherlands
info@pervatech.nl
In-situ removal of water or methanol in condensation reactions is a most suited method to intensify
production of e.g. esters and ethers.
By
removing
the
by-product
Conventional esterification processing
formed during the
condensation reaction a higher
yield of product is achieved and
Reactor
Downstream, post-treatment operations
possibly less intense catalytic
measures are necessary.
Azeotropic
distillation
Vacuum distillation for Salting process Water
washing
removal of entrainer
Clean product
Polishing filtration
By applying hydrophilic Modern chemical reaction with in-situ water removal and polishing filtration.
silica membranes in inOnly possible with the aid of hybrid silica membranes.
situ dehydration mode
All downstream units converted into reactors.
the efficiency of e.g.
Hence 5 reactors with 100% filling.
esterification processes
can be significantly
improved.
Pervaporation
membrane
package
Packed bed
catalyst
Plant output: 667%
Clean
product
Polishing filtration