Oxygen production by ion transport membranes with non-permeate w

Details Oxygen production by ion transport membranes with non-permeate w Oxygen production by ion transport membranes with non-permeate w

1997-02-13

1998-05-19

Spitzer, Robert

Gas separation: processes

Compressing and indirect cooling of gaseous fluid mixture to...

And solid sorption

95 54, 95 96, 95130, 95138, 95288, B01D 5322

Patent

active

057530076

ABSTRACT:
Oxygen is recovered from a hot, compressed oxygen-containing gas, preferably air, by an oxygen-selective ion transport membrane system. Hot, pressurized non-permeate gas from the membrane is cooled and useful work is recovered therefrom by expansion at temperatures below the operating temperature of the membrane. The recovered work is used together with the oxygen permeate product in applications such as oxygen-enriched combustion of liquid fuels, wood pulping processes, steel production from scrap in mini-mills, and metal fabrication operations. Oxygen permeate product can be compressed utilizing a gas booster compressor driven by expansion of cooled, pressurized non-permeate gas.

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