Patent ID: 6132496
Filing Date: 2000-10-17
Classification: B01D

Abstract:
A PSA apparatus for the separation of a gaseous mixture, comprising:an adsorber having an inlet for the supply of a gaseous mixture to be separated and a gas outlet for a separated gas;first, second, and third capacities, each having a gas inlet, the third capacity having a gas outlet;first conduit means including first valve means to selectively establish bidirectional fluid flow communication between the gas outlet of the adsorber and the inlet of the first capacity;second conduit means including second valve means to selectively establish bidirectional fluid flow communication between the gas outlet of the adsorber and the inlet of the second capacity;third conduit means including third and fourth valve means, the fourth valve means to selectively establish unidirectional fluid flow communication from the gas outlet of the adsorber to the inlet of the third capacity; andcontrol means for controlling said first, second and third valve means.