Process for the purification of (hydro)halocarbons

Details Process for the purification of (hydro)halocarbons Process for the purification of (hydro)halocarbons

C - Chemistry, Metallurgy

07

C

C07C 17/389 (2006.01) B01J 29/00 (2006.01) C07C 19/08 (2006.01)

Patent

CA 2514236

A process for treating a composition comprising one or more desired (hydro)halocarbons and one or more undesired sulphur containing impurities so as to reduce the concentration of at least one undesired sulphur containing impurity, the process comprising contacting the composition with an adsorbent comprising an acid stable molecular sieve having a pore size of from 2 to l0.ANG. and/or an activated carbon.

L'invention concerne un procédé de traitement d'une composition qui renferme un ou plusieurs (hydro)halocarbones voulus et une ou plusieurs impuretés indésirables contenant du soufre, en vue de réduire la concentration d'au moins une desdites impuretés. Le procédé comporte l'étape consistant à mettre en contact la composition avec un adsorbant comprenant un tamis moléculaire stable en milieu acide et qui présente des dimensions de pores comprises entre 2 et 10 .ANG., et/ou un charbon actif.

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