Method and apparatus for removing arsenic from an arsenic-contai

Details Method and apparatus for removing arsenic from an arsenic-contai Method and apparatus for removing arsenic from an arsenic-contai

1983-11-01

1985-02-05

Doll, John

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group va metal or arsenic

422139, 423 87, 423561R, 423565, C01B 2700, C01B 2900

Patent

active

044977808

ABSTRACT:
Method and apparatus for the removal of arsenic compounds from an arsenic-containing material wherein the material is reacted with an oxygen carrier and a sulfur carrier under temperature conditions sufficiently high to convert the arsenic compounds to sulfides and the arsenic sulfides are thereupon condensed and deposited in solid form.

REFERENCES:
patent: 486330 (1892-11-01), Flury
patent: 679330 (1901-07-01), Petersson
patent: 1790088 (1931-01-01), Brennan
patent: 1917725 (1933-07-01), Lenander
patent: 2238194 (1941-04-01), Tainton
patent: 2867526 (1959-01-01), Heath et al.
patent: 3220796 (1965-11-01), Espinosa
patent: 4083924 (1978-04-01), Styring

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