Process for the purification of crude gases with simultaneous pr

Details Process for the purification of crude gases with simultaneous pr Process for the purification of crude gases with simultaneous pr

1988-05-13

1990-07-03

Kratz, Peter

Gas: heating and illuminating

Processes

Fuel mixtures

252373, C10K 114

Patent

active

049387839

ABSTRACT:
In a process for the purification of coal gasification gases, synthesis gas and fuel gas are simultaneously produced. In order to obtain a fuel gas rich in CO.sub.2, capable of handling fluctuations in demand, and to produce at the same time a highly concentrated H.sub.2 S fluid fraction, a portion of the crude gas, scrubbed to synthesis gas purity, is utilized for stripping out CO.sub.2 under pressure from scrubbing medium loaded exclusively with CO.sub.2. The partially stripped CO.sub.2 -loaded scrubbing medium is employed for the concentration of sulfur compounds in an H.sub.2 S/COS-loaded scrubbing medium.

REFERENCES:
patent: 4189307 (1980-02-01), Marcin
patent: 4254094 (1981-03-01), Hegartz
patent: 4515604 (1985-05-01), Eisenlohr et al.
patent: 4552572 (1985-11-01), Galstaun
patent: 4568364 (1986-02-01), Galstaun et al.

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