Method of controlling a gas adsorption apparatus

Details Method of controlling a gas adsorption apparatus Method of controlling a gas adsorption apparatus

2006-08-08

2006-08-08

Lawrence, Frank M. (Department: 1724)

Gas separation: processes

With control responsive to sensed condition

C095S012000, C095S098000, C095S130000, C096S109000, C096S130000

Reexamination Certificate

active

07087101

ABSTRACT:
A method of controlling a gas adsorption apparatus including a sieve bed containing molecular sieve bed material, the bed being cyclically operable in a charge mode to adsorb non-product gas from an air supply thereby to increase the concentration of a product gas in a product gas supply which passes to a product gas line and in a vent mode to desorb the adsorbed non-product gas which passes to a non-product gas line, and there being a passage to permit a restricted amount only of the product gas supply to pass from the product gas supply line to the bed when operating in vent mode, and wherein the method includes operating a variable flow device to permit an increased amount of the product gas supply to pass to the bed when operating in vent mode, under predetermined conditions.

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