Recovery of cobalt molybdenum nickel tungsten and vanadium from an aqueous ammonia and ammonium salt solution by coextracting molybdenum tungsten and vanadium and sequential extraction of nickel and cobalt

Patent · Tue Apr 30 04:00:00 EDT 1985

OSTI ID:5356481

Hubred, G L; Van Leirsburg, D A

A method of recovering metal values from an aqueous stream. The metal values are preferably obtained from leaching spent hydroprocessing catalysts, and include nickel, cobalt, vanadium and molybdenum. The metal values are extracted, isolated and purified by liquid, liquid extraction techniques.

• Assignee: Chevron Research Company
• Patent Number(s): US 4514369
• OSTI ID: 5356481
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
020800 -- Petroleum-- Waste Management
AMMONIA
AMMONIUM CHLORIDES
AMMONIUM COMPOUNDS
AMMONIUM HALIDES
AQUEOUS SOLUTIONS
CATALYSTS
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
COBALT
CRACKING
DECOMPOSITION
DEMETALLIZATION
DISPERSIONS
DISSOLUTION
ELEMENTS
EXTRACTION
HALIDES
HALOGEN COMPOUNDS
HYDRIDES
HYDROCRACKING
HYDROGEN COMPOUNDS
LEACHING
MANAGEMENT
MATERIALS RECOVERY
METALS
MIXTURES
MOLYBDENUM
NICKEL
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
PROCESSING
PYROLYSIS
RECOVERY
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
TUNGSTEN
VANADIUM
WASTE MANAGEMENT
WASTE PROCESSING