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

Patent · Tue Feb 28 04:00:00 EST 1984

OSTI ID:6767528

Hubred, G L; Van Leirsburg, D A

A method is claimed for 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 Co.
• Patent Number(s): US 4434141
• OSTI ID: 6767528
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020500* -- Petroleum-- Products & By-Products
AQUEOUS SOLUTIONS
CATALYST SUPPORTS
CATALYSTS
CHEMICAL FEEDSTOCKS
CHEMICAL REACTIONS
COBALT
DEMETALLIZATION
DISPERSIONS
DISSOLUTION
ELEMENTS
HYDROGENATION
ION EXCHANGE
LEACHATES
LEACHING
METALS
MIXTURES
MOLYBDENUM
NICKEL
PETROLEUM PRODUCTS
PRECIPITATION
PURIFICATION
RECOVERY
REGENERATION
SEPARATION PROCESSES
SOLUTIONS
TRANSITION ELEMENTS
VANADIUM