Particulates and iron cyanide complex removal

Details Particulates and iron cyanide complex removal Particulates and iron cyanide complex removal

1985-12-30

1986-11-25

Doll, John

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Solid component

210702, 210749, 210751, 423236, 423210, B01D 4500, B01D 4700, C01C 300, B03C 300

Patent

active

046248374

ABSTRACT:
A process for the removal of cyanide complex or complexes from synthesis gas streams also containing residual iron containing particulate matter is disclosed, the process being characterized by scrubbing of the synthesis gas stream with water or an aqueous stream, removal of absorbed HCN, if any, from solution used in scrubbing, and contact of substantially HCN-free scrubbing solution with a polysulfide reactant at temperatures of from 110.degree. C. to 180.degree. C.

REFERENCES:
patent: 4497784 (1985-02-01), Diaz
patent: 4505881 (1985-03-01), Diaz
patent: 4508693 (1985-04-01), Diaz
patent: 4572826 (1986-02-01), Moore

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