C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 1/00 (2006.01) C07C 1/20 (2006.01) C07C 15/00 (2006.01)
Patent
CA 2561133
A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over a synthetic crystalline alumino- silicate catalyst, such as a ZSM-5 zeolite, at a temperature of from about 150~ C. to about 450~ C. so as to form higher molecular weight hydrocarbons and hydrobromic acid vapor. Propane and butane which comprise a portion of the products may be recovered or recycled back through the process to form additional C5+ hydrocarbons. Various methods are disclosed to remove the hydrobromic acid vapor from the higher molecular weight hydrocarbons and to generate bromine from the hydrobromic acid for use in the process.
Il est prEvu un procEdE de conversion d'alcanes gazeux en hydrocarbures liquides dans lequel un produit gazeux contenant des alcanes est mis en rEaction avec une vapeur de bromure sEche pour former des bromures alkyles et de la vapeur acide hydrobromique. Le mElange des bromures alkyles et de l'acide hydrobromique est ensuite mis en rEaction au-dessus d'un catalyseur de silicate d'alumine cristallin synthEtique, comme une zEolite ZSM-5, A une tempErature allant d'environ 150 °C A environ 450 °C de maniEre A former des hydrocarbures de poids molEculaire plus important et une vapeur d'acide hydrobromique. Le propane et le butane comprenant une portion des produits peuvent Etre rEcupErEs ou recyclEs par le biais du procEdE pour former d'autres hydrocarbures C5+. Divers procEdEs sont divulguEs pour retirer la vapeur d'acide hydrobromique des hydrocarbures de poids molEculaire plus important et pour gEnErer du brome A partir de l'acide hydrobromique pour utilisation dans le procEdE.
Macrae & Co.
Marathon Gtf Technology Ltd.
Marathon Oil Company
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