Process for purifying silver refinery slimes
Patent
·
OSTI ID:5331954
In a process for the recovery of precious metals by the nitric acid leaching of silver refinery slimes containing gold, silver, palladium, platinum, selenium and tellurium wherein silver is dissolved and separated leaving a gold sand residue containing gold, undissolved silver and impurities comprising palladium, platinum, selenium and tellurium, the improvement is described comprising: contacting the gold sand with hydrochloric acid for a sufficient time to selectively leach silver, palladium, platinum, selenium and tellurium from the gold sand while leaving gold in the gold sand residue.
- Assignee:
- ASARCO Inc., New York, NY
- Patent Number(s):
- US 4722831
- OSTI ID:
- 5331954
- Country of Publication:
- United States
- Language:
- English
Similar Records
ANALYTICAL METHOD FOR THE DETERMINATION OF GOLD, PLATINUM, PALLADIUM IN PITCHBLENDE ORE (above 40% U$sub 3$O$sub 8$) AND BARIUM SULPHATE CONCENTRATES FROM PITCHBLENDE ORE
THE DETERMINATION OF GOLD, PLATINUM AND PALLADIUM IN PITCHBLENDE ORE AND BARIUM SULPHATE CONCENTRATES FROM PITCHBLENDE ORE
Polarographic determination of selenium and tellurium in silver-gold alloys
Technical Report
·
Wed Dec 31 23:00:00 EST 1958
·
OSTI ID:4217205
THE DETERMINATION OF GOLD, PLATINUM AND PALLADIUM IN PITCHBLENDE ORE AND BARIUM SULPHATE CONCENTRATES FROM PITCHBLENDE ORE
Technical Report
·
Tue Aug 31 00:00:00 EDT 1954
·
OSTI ID:4234980
Polarographic determination of selenium and tellurium in silver-gold alloys
Journal Article
·
Sat May 10 00:00:00 EDT 1986
· J. Anal. Chem. USSR (Engl. Transl.); (United States)
·
OSTI ID:7225531
Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
ACIDIFICATION
ELEMENTS
GOLD
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MANAGEMENT
METALS
MINERAL WASTES
PALLADIUM
PLATINUM
PLATINUM METALS
PROCESSING
RECOVERY
SELENIUM
SEMIMETALS
SILVER
SOLID WASTES
SOLUTES
TELLURIUM
TRANSITION ELEMENTS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
ACIDIFICATION
ELEMENTS
GOLD
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MANAGEMENT
METALS
MINERAL WASTES
PALLADIUM
PLATINUM
PLATINUM METALS
PROCESSING
RECOVERY
SELENIUM
SEMIMETALS
SILVER
SOLID WASTES
SOLUTES
TELLURIUM
TRANSITION ELEMENTS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES