Method of extraction of valuable minerals and precious metals fr

Details Method of extraction of valuable minerals and precious metals fr Method of extraction of valuable minerals and precious metals fr

1990-06-22

1992-06-23

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

204 64T, 204 67, 75365, 75430, 75435, 75958, 423522, 423541R, 423567R, C25C 328, C25C 306, C22B 124, C01B 1750

Patent

active

051240084

ABSTRACT:
A method for the extraction of valuable minerals and precious metals from oil sands ore bodies or other related ore bodies that is synergistically unique in the arrangement of processes for production of valuable minerals and precious metals in an economically and environmentally acceptable manner. The oil sands ores from oil sands ore bodies and other related ores from other related ore bodies including overburden and interburden mineral ores are crushed, the hydrocarbons, if any exists in worthwhile quantities, are recovered and the resulting coarse sands, other related ores and fines streams are processed in a definite sequence using known processes to recover the valuable minerals and precious metals values. All reactants and reagents, including water, are recycled in the method and tailings ponds are not required. Heat recovery is used extensively to cogenerate almost all of the process steam and process electrical requirements for the method. The spent damp coarse sands and spent damp fines are stockpiled and/or returned to the mine.

REFERENCES:
patent: 3047477 (1962-07-01), Spraul et al.
patent: 4212855 (1980-07-01), Kerner et al.
patent: 4457812 (1984-07-01), Rado
patent: 4465659 (1984-08-01), Cambridge et al.
patent: 4495054 (1985-01-01), Claflin
patent: 4547272 (1985-10-01), Josefowicz
patent: 4551172 (1985-11-01), Formanek et al.
patent: 4816236 (1989-03-01), Gardner

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