Regeneration of zinc halide catalyst used in the hydrocracking of polynuclear hydrocarbons
Patent
·
OSTI ID:863042
- San Rafael, CA
Improved recovery of spent molten zinc halide hydro-cracking catalyst is achieved in the oxidative vapor phase regeneration thereof by selective treatment of the zinc oxide carried over by the effluent vapors from the regeneration zone with hydrogen halide gas under conditions favoring the reaction of the zinc oxide with the hydrogen halide, whereby regenerated zinc halide is recovered in a solids-free state with little loss of zinc values.
- Research Organization:
- Conoco Coal Development Co
- Assignee:
- Continental Oil Company (Stamford, CT)
- Patent Number(s):
- US 4081400
- OSTI ID:
- 863042
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/502/208/423/
achieved
carried
catalyst
conditions
cracking catalyst
effluent
effluent vapors
favoring
gas
halide
halide catalyst
halide gas
hydro-cracking
hydrocarbons
hydrocracking
hydrogen
hydrogen halide
improved
improved recovery
loss
molten
molten zinc
oxidative
oxidative vapor
oxide
phase
phase regeneration
polynuclear
polynuclear hydrocarbons
reaction
recovered
recovery
regenerated
regeneration
regeneration zone
selective
selective treatment
solids-free
spent
spent molten
treatment
values
vapor
vapor phase
vapors
whereby
zinc
zinc halide
zinc oxide
zinc values
zone
achieved
carried
catalyst
conditions
cracking catalyst
effluent
effluent vapors
favoring
gas
halide
halide catalyst
halide gas
hydro-cracking
hydrocarbons
hydrocracking
hydrogen
hydrogen halide
improved
improved recovery
loss
molten
molten zinc
oxidative
oxidative vapor
oxide
phase
phase regeneration
polynuclear
polynuclear hydrocarbons
reaction
recovered
recovery
regenerated
regeneration
regeneration zone
selective
selective treatment
solids-free
spent
spent molten
treatment
values
vapor
vapor phase
vapors
whereby
zinc
zinc halide
zinc oxide
zinc values
zone