Removal of ammonia and carbon dioxide from fuel cell stack water

Details Removal of ammonia and carbon dioxide from fuel cell stack water Removal of ammonia and carbon dioxide from fuel cell stack water

1987-10-15

1989-03-28

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 44, 55 48, 55 51, 55 54, 55 70, B01D 5314, B01D 1900

Patent

active

048160407

ABSTRACT:
The fuel cell power plant has a closed water circulation system whose only source of fresh water is the electrochemical reaction in the power section. The water becomes contaminated with ammonia and carbon dioxide in the fuel contact cooler and the ammonia and carbon dioxide are stripped out of the water by steam produced by operating the plant. The ammonia and carbon dioxide-laden steam is vented from the plant. The amount of water lost from the plant as steam is less than the amount of available water produced in the electrochemical reaction.

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