Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1979-12-14
1981-05-12
Ozaki, G.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75 2, 75109, 75114, 75115, 75117, 75118R, 75120, 423 36, 423 41, 423100, 204119, C22B 1922, C22B 1508, C22B 1104, C22B 1304
Patent
active
042669723
ABSTRACT:
Metal sulphide ore is leached by water under a low pressure and oxidizing atmosphere to dissolve zinc and copper, hydrolyze iron to hematite, and leave lead and precious metals as insoluble sulphates. The residue is leached by sodium chloride and calcium chloride to dissolve lead and the precious metals.
REFERENCES:
patent: 3923976 (1975-12-01), Vega et al.
patent: 3957602 (1976-05-01), Johnson et al.
patent: 3961941 (1976-06-01), Baker et al.
patent: 4011146 (1977-03-01), Coltrinari et al.
patent: 4063933 (1977-12-01), Peters
patent: 4113471 (1978-09-01), Langhorst et al.
Diaz-Nogueira Eduardo
Gerez-Pascual Martin
Redondo-Abad Angel L.
Regife-Vega Jose M.
LandOfFree
Process for non-ferrous metals production from complex sulphide does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for non-ferrous metals production from complex sulphide , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for non-ferrous metals production from complex sulphide will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2044657