Cryogenic process for the selective removal of acidic gases from

Details Cryogenic process for the selective removal of acidic gases from Cryogenic process for the selective removal of acidic gases from

1986-05-16

1987-12-01

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

55 68, 55 73, 62 20, F25J 302

Patent

active

047102110

ABSTRACT:
A cryogenic process is disclosed for the selective removal of acidic gases from natural gases or from synthesis gases by adsorption in two towers and cooling of the gas outcoming from the first tower to the purpose of condensing a portion of CO.sub.2 contained in the same gas, which is characterized in that in it a mixture is used constituted by one or more selective solvents selected among low molecular weight esters, alcohols and ethers.

REFERENCES:
patent: 4097250 (1978-06-01), Pagani et al.
patent: 4305733 (1981-12-01), Scholz et al.

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