Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ib metal
Patent
1991-10-10
1993-05-04
Morris, Theodore
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ib metal
423 24, 423 34, 423 42, 75718, 204106, 204108, 205296, C01G 300
Patent
active
052079961
ABSTRACT:
Improved methods of heap leaching of copper ore with aqueous sulfuric acid solutions comprising a fluoroaliphatic surfactant are disclosed. The fluoroaliphatic surfactant increases the amount of copper values leached and recovered.
REFERENCES:
patent: 2732398 (1956-01-01), Brice et al.
patent: 2759019 (1956-08-01), Brown et al.
patent: 2764602 (1956-09-01), Ahlbrecht
patent: 2764603 (1956-09-01), Ahlbrecht
patent: 2803656 (1957-09-01), Ahlbrecht et al.
patent: 2915554 (1959-12-01), Ahlbrecht et al.
patent: 3450755 (1969-06-01), Ahlbrecht
patent: 3787351 (1974-01-01), Olson
patent: 4000168 (1976-12-01), Bertocchio et al.
patent: 4023964 (1977-05-01), DeMarthe et al.
patent: 4069119 (1978-01-01), Wong
patent: 4080419 (1978-03-01), Engelmann
patent: 4090967 (1978-05-01), Falk
patent: 4091070 (1978-05-01), Riggs et al.
patent: 4102916 (1978-07-01), Falk
patent: 4113848 (1978-09-01), Parker
patent: 4120935 (1978-10-01), Fountain
patent: 4171282 (1979-10-01), Mueller
patent: 4266080 (1981-05-01), Falk et al.
patent: 4484990 (1984-11-01), Bultman et al.
patent: 4536298 (1985-08-01), Kamei et al.
patent: 4668406 (1987-05-01), Chang
E/MJ Oct. 1978, pp. 101-102.
"Copper," Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 6, pp. 819-820 (3rd ed., John Wiley and Sons, 1979.
A. K. Biswas and W. G. Davenport, "Extractive Metallurgy of Copper," Ch. 13, pp. 254-269, Pergamon Press (1980).
"Solvent Extraction Reagents for the Mining Industry," Acorga Limited Technical Bulletin Arte/JP/0986 (unknown).
"Absorption of Nonionic/Anionic Surfactant Mixtures, Nonionic Surfactants and Its Effect on Mineral Dispersion and Wettability," Society for Mining, Metallurgy, and Exploration, Inc., Preprint No. 91-94 (1991).
"Effect of Nonionic Surfactants on Chalcopyrite Leaching Under Dump Chemical Conditions", U.S. Department of the Interior, Bureau of Mines, Report of Investigations 9311 (1990).
Guenthner et al., I&EC Product Res. & Dev., vol. 1, No. 3, 1962.
Fielding, "Organofluorine Chemicals and Their Industrial Applications," Banks, Ed., Ellis Horwood, Ltd., Chichester, England, 1979, Chapter 11, Organofluorine Surfactants and Textile Chemicals, pp. 214-234.
Lee Frank A.
Sierakowski Michael J.
Brink Robert H.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Morris Theodore
LandOfFree
Acid leaching of copper ore heap with fluoroaliphatic surfactant does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Acid leaching of copper ore heap with fluoroaliphatic surfactant, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Acid leaching of copper ore heap with fluoroaliphatic surfactant will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1973631