Process for restoring permeance of an oxygen-permeable ion...

Details Process for restoring permeance of an oxygen-permeable ion... Process for restoring permeance of an oxygen-permeable ion...

B - Operations, Transporting

01

D

B01D 71/02 (2006.01) B01D 53/22 (2006.01) C01B 13/02 (2006.01)

Patent

CA 2104821

ABSTRACT This invention relates to a process for restoring permeance of an oxygen- permeable ion transport membrane utilized to recover oxygen from an oxygen- containing gaseous mixture which contains water, carbon dioxide or volatile hydrocarbons. The process utilizes a class of ion transport membranes formed from multicomponent metallic oxides wherein permeance of such membranes had been believed to be permanently degraded by water and the like under conventional process operating temperatures. This invention provides a continuous process for restoring oxygen permeance of such membranes caused by deleterious interaction between the membrane and components such as carbon dioxide, water or hydrocarbons at elevated process temperatures.

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