NIOSHTIC-2 Publications Search

Decomposition of chalcopyrite.

Authors
Shirts MB; Staker WL
Source
US Pat 3,985,555 1976 Oct; :1-3
NIOSHTIC No.
10011899
Abstract
Chalcopyrite is decomposed by treatment with aqueous acid solution and a metallic reductant to form either metallic copper or copper sulfide, ferrous iron and hydrogen sulfide.
Keywords
Metals; Metal refining; Metallurgical processes; Copper compounds; Atmospheric pressure; Thermal effects
CAS No.
1308-56-1; 7440-50-8; 1317-40-4; 7439-89-6; 7783-06-4
Publication Date
19761012
Document Type
Patent
Fiscal Year
1977
Identifying No.
PAT 3,985,555
NIOSH Division
SLRC
Source Name
United States Patent 3,985,555
State
UT
Page last reviewed: May 20, 2022
Content source: National Institute for Occupational Safety and Health Education and Information Division