Apparatus for generating olefin and by-products, in particular for extracting ethyl and acetic acid, in particular by converting ethane and oxygen, in particular by thermal and/or catalytic processes (chemical processing equipment); evaporators, in particular for generating water vapour; heat exchangers, other than parts of machines, in particular for heating or cooling gases or liquids, in particular with quenching tanks; reactors, in particular for gas-gas reactions, in particular for thermal and/or catalytic reactors; gas cleaners and purifiers, in particular gas scrubbers, in particular chemical or physical gas scrubbers; separators, in particular for gas purification, for gas scrubbing or for separating gases, in particular by adsorption using pressure, temperature and/or vacuum; distillation apparatus, in particular rectification columns; refrigerating machines; installations for generating olefin and by-products containing one or several of the aforesaid apparatus (chemical processing equipment)

Engineering services, in particular technical calculations, planning and design services, development, inspection or measurement evaluation of installations and/or apparatus for generating olefin and by-products, in particular for ethyl and acetic acid, in particular by thermal and/or catalytic processes, in particular by converting ethane and oxygen