Valve control of an adsorption process

Details Valve control of an adsorption process Valve control of an adsorption process

1981-10-16

1982-11-23

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 25, 55163, B01D 5304

Patent

active

043603629

ABSTRACT:
An apparatus and process for controlling the opening and closing of valves in lines interconnecting a plurality of adsorbers in a cyclically operating pressure-swing adsorption apparatus includes a common pneumatic signal line associated with all the valves of a single line. An electrical signal supply provides an electronic signal to a current-pressure transducer for converting the electronic signal to a pneumatic signal transmitted through the common pneumatic signal line. Transmission of the pneumatic signal to the valves is controlled by three-way magnetic valves which are operated by a computer which transmits an on-off digital signal to each three-way valve. According to the digital signal transmitted by the computer, each three-way valve will either allow said pneumatic signal to be transmitted to a respective valve associated therewith for causing the valve to open, or prevent the pneumatic signal from affecting the respective valve thus maintaining it closed.

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