C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 7/144 (2006.01) C10G 31/11 (2006.01)
Patent
CA 2399798
Process for purifying a liquid hydrocarbon product comprising 5% by weight or less of high molecular weight contaminants having a molecular weight of at least 1000, wherein the product stream is contacted with a hydrophobic non- porous or nano-filtration membrane and the purified product stream is recovered as the permeate. Various liquid hydrocarbon products can be treated including process streams containing as the main product styrene, isoprene, butadiene, pentadiene, dicyclopentadiene, piperylene, C2-C5 mono-olefins or acrylates.
La présente invention concerne un procédé de purification d'hydrocarbure liquide contaminé à 5% en masse au maximum par des produits de masse moléculaire élevée d'au moins 1000. En l'occurrence, on amène le courant de produit en contact avec une membrane non poreuse hydrophobe ou une membrane de nano-filtration, le courant de produit purifié étant le perméat. Ce traitement convient à divers hydrocarbure liquides, et notamment les courants de traitement constitués essentiellement de styrène, d'isoprène, de butadiène, de pentadiène, de dicyclopentadiène, de pipérylène, de C¿2?-C¿5? mono-oléfines ou d'acrylates.
Cossee Robert Paul Henri
Geus Eduard Rudolf
Roovers Antonius Adrianus
Van Den Heuvel Edward Jan
Weber Cornelis Everardus
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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