Process for purification of synthesis gas

Details Process for purification of synthesis gas Process for purification of synthesis gas

1990-10-18

1992-05-12

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

4232155, 423236, 423238, C01B 1716, C01B 3120, C01C 300, B01D 4500

Patent

active

051125862

ABSTRACT:
A process for the treatment of a gas stream derived from the gasification of coal is described, the process being characterized, in one embodimment, by stripping of the wash and cooling liquid used to cool and remove NH.sub.3 from the synthesis gas prior to reuse of the liquid in removal of residual solids from the product gas stream, thereby avoiding incompatibilities which may initiate or aggravate chemical precipitation, particularly that of CaCO.sub.3.

REFERENCES:
patent: 2018863 (1935-10-01), Miller
patent: 2784055 (1957-03-01), Silver
patent: 4075310 (1978-02-01), Fischer
patent: 4087258 (1978-05-01), Baron et al.
patent: 4375450 (1983-03-01), Katagiri et al.
patent: 4514375 (1985-04-01), Laufhutte
patent: 4624837 (1986-11-01), Baker

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