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Speichim Processing handles reactive distillation, which combines reaction and distillation, at its Saint-Vulbas site. A site which holds the necessary authorizations in its prefecture decree Several chemical reactions are well suited to this technique, especially balanced reactions.

The following reactions are examples:

  • Esterification
  • Transesterification
  • Transanhydridation

The integration of product synthesis and separation by distillation improves chemical conversion by shifting the reaction equilibrium thanks to the recycling of non-converted raw materials.

The process takes place directly in one or several distillation columns without using a reactor. In the era of process intensification, or the reduction of the industrial machinery’s size this century-old technique is increasingly justified.


There are many advantages:

  • Reduction of investment
  • Reduction of energy used
  • Reduction of waste
  • Reduction of industrial risks


A few examples:
Methyl, butyl, isopropyl, propyl and amyl acetates
Monoesters and diesters obtained from direct esterification or transesterification,
Anhydrides of unsaturated carboxylic acids

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