Leaching nickel cobalt molybdenum tungsten and vanadium from spent hydroprocessing catalysts
Patent
·
OSTI ID:5356474
A process for removing nickel, cobalt, molybdenum, and vanadium from spent hydroprocessing catalyst particles by roasting the catalyst at between 400/sup 0/ C. and 600/sup 0/ C. and leaching the catalyst particles with an aqueous solution of ammonia and an ammonium salt.
- Assignee:
- Chevron Research Company
- Patent Number(s):
- US 4514368
- OSTI ID:
- 5356474
- Country of Publication:
- United States
- Language:
- English
Similar Records
Recovering metals from spent hydroprocessing catalysts
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
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
·
Mon Feb 18 23:00:00 EST 1985
·
OSTI ID:5566840
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 00:00:00 EDT 1985
·
OSTI ID:5356481
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
·
Mon Feb 27 23:00:00 EST 1984
·
OSTI ID:6767528
Related Subjects
02 PETROLEUM
020400* -- Petroleum-- Processing
AMMONIUM CHLORIDES
AMMONIUM COMPOUNDS
AMMONIUM HALIDES
AQUEOUS SOLUTIONS
CATALYSTS
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
COBALT
CRACKING
DECOMPOSITION
DEMETALLIZATION
DISPERSIONS
DISSOLUTION
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
HIGH TEMPERATURE
HYDROCRACKING
LEACHING
METALS
MIXTURES
MOLYBDENUM
NICKEL
OXIDATION
PYROLYSIS
REMOVAL
ROASTING
SEPARATION PROCESSES
SOLUTIONS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
TUNGSTEN
VANADIUM
020400* -- Petroleum-- Processing
AMMONIUM CHLORIDES
AMMONIUM COMPOUNDS
AMMONIUM HALIDES
AQUEOUS SOLUTIONS
CATALYSTS
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
COBALT
CRACKING
DECOMPOSITION
DEMETALLIZATION
DISPERSIONS
DISSOLUTION
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
HIGH TEMPERATURE
HYDROCRACKING
LEACHING
METALS
MIXTURES
MOLYBDENUM
NICKEL
OXIDATION
PYROLYSIS
REMOVAL
ROASTING
SEPARATION PROCESSES
SOLUTIONS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
TUNGSTEN
VANADIUM