Rotary valve element for twin bed alternative treatment systems

Details Rotary valve element for twin bed alternative treatment systems Rotary valve element for twin bed alternative treatment systems

2008-07-28

2010-12-21

Lawrence, Frank M (Department: 1775)

Gas separation: apparatus

Solid sorbent apparatus

Plural solid sorbent beds

C251S174000

Reexamination Certificate

active

07854794

ABSTRACT:
In a disclosed embodiment, a chemical process has a pair of beds, with each of said beds having at least one connection to receive a source of gas, and for delivering gas downstream. Each of the beds includes chemical treatment elements. The system includes a connection to a source of a gas to be treated, and a connection for receiving treated gas to be delivered to a downstream use, a connection to a source of a cleaning gas, and a connection to deliver the cleaning gas downstream. A rotary valve includes a rotary actuator for rotating a valve to selectively switch each of the beds between the several connections.

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