Method of producing oxygen rich gas utilizing an oxygen concentr

Details Method of producing oxygen rich gas utilizing an oxygen concentr Method of producing oxygen rich gas utilizing an oxygen concentr

1980-05-09

1982-05-25

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 31, 55 62, 55 75, B01D 5304

Patent

active

043314554

ABSTRACT:
A method of producing oxygen rich gas utilizing an oxygen concentrator having a plurality of parallel-connected moisture
itrogen removing units alternately operated to produce an oxygen-rich gas and connected through respective flow regulating valves to a common buffer tank for storing the gas thus produced. The flow regulating valves are operated so that, throughout substantially the second half of the operation cycle of each moisture
itrogen removing unit, a portion of the gas having been processed by that unit is supplied to the other moisutre
itrogen removing unit to restore its ability to remove the moisture and nitrogen and further so that, when the concentrator is to be stopped, a portion of the oxygen-rich gas stored in the buffer tank is caused to flow back into the one of the units having just finished a complete operation cycle to restore its ability to remove the moisture and nitrogen, thus providing immediate start-up of the units as well as immediate supply of oxygen-rich gas upon restarting the concentrator.

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