Method for operating an alternating pressure apparatus for produ

Details Method for operating an alternating pressure apparatus for produ Method for operating an alternating pressure apparatus for produ

1997-12-11

1999-08-10

Spitzer, Robert

Gas separation: processes

With control responsive to sensed condition

Pressure sensed

95 96, 95101, 95130, B01D 53053

Patent

active

059352973

ABSTRACT:
An alternating pressure apparatus for obtaining oxygen from the air has two adsorbers to which an air blower for adsorption air and a vacuum pump stand for desorption are connected. The vacuum pump stand has two vacuum pumps in tandem. In a partial load operation characterized by low O.sub.2 removal; and during the lower pressure equalization of the adsorbers, the vacuum pump stand is connected to the air blower in that in each case the vacuum valve, connecting one adsorber to the vacuum pump stand, and the air valve, connecting the same adsorber to the air blower, are opened at the same time.

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