Separation of ethane from methane by pressure swing adsorption

Details Separation of ethane from methane by pressure swing adsorption Separation of ethane from methane by pressure swing adsorption

B - Operations, Transporting

01

D

B01D 53/047 (2006.01) B01J 20/18 (2006.01) C07C 7/12 (2006.01) C07C 7/13 (2006.01)

Patent

CA 2041874

Ethane is separated from a methane- and ethane-containing feedstream using pressure-swing adsorption wherein the adsorbent is a faujasite type of zeolitic aluminosilicate containing (1) at least 20 equivalent % of a cation selected from zinc, a rare earth metal, hydrogen, ammonium or calcium, and (2) not more than 80 equivalent percent of an alkali metal or alkaline earth metal cation other than calcium.

L'éthane est séparé d'un flux d'alimentation renfermant du méthane et de l'éthane, par adsorption à pression modulée, où l'adsorbant est un aluminosilicate zéolitique de type faujasite contenant (1) au moins 20 % d'équivalent d'un cation choisi parmi le zinc, un métal des terres rares, l'hydrogène, l'ammonium ou le calcium, et (2) au plus 80 % d'équivalent d'un cation de métal alcalin ou alcalino-terreux, autre que le calcium.

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