Separation of gas mixture

Details Separation of gas mixture Separation of gas mixture

1986-03-04

1988-03-29

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3907, F02C 600

Patent

active

047335262

ABSTRACT:
Fuel gas (typically taken from a source of natural gas associated with oil deposits) is burnt with air in a turbine 2 to produce a gaseous mixture comprising nitrogen, combustion products and oxygen. The mixture cotnains less than 20% by volume of oxygen. The mixture is cooled in a cooler 4 by heat exchange with water and then compressed in a compressor 6 which is driven by the turbine 2. The compressed gaseous mixture is separated typically by pressure swing adsorption to produce a gaseous nitrogen product suitable for use in the enhanced recovery of oil.

REFERENCES:
patent: 4434613 (1984-03-01), Stahl
patent: 4528811 (1985-07-01), Stahl

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