Solution removal of HCN from gaseous streams, with hydrolysis of

Details Solution removal of HCN from gaseous streams, with hydrolysis of Solution removal of HCN from gaseous streams, with hydrolysis of

1983-11-29

1985-02-05

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423237, 423355, 423366, 423437, 423563, 423567R, 423567A, 423571, C01C 300, C01C 102, C01B 1716

Patent

active

044977840

ABSTRACT:
A process for the removal of HCN from gaseous streams is described, the process being characterized by reaction of the HCN in the gaseous stream with an ammonium polysulfide solution, formation of ammonium thiocyanate, and hydrolysis of the ammonium thiocyanate. Recycle of hydrolysis products is contemplated.

REFERENCES:
patent: 1853679 (1932-04-01), Hansen
patent: 1924206 (1933-08-01), Hansen
patent: 1932819 (1933-10-01), Hansen
patent: 4098866 (1978-07-01), Nicklin et al.

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