Method for the regeneration of spent molten zinc chloride
Patent
·
OSTI ID:863841
- McMurray, PA
- Pittsburgh, PA
In a process for regenerating spent molten zinc chloride which has been used in the hydrocracking of coal or ash-containing polynuclear aromatic hydrocarbonaceous materials derived therefrom and which contains zinc chloride, zinc oxide, zinc oxide complexes and ash-containing carbonaceous residue, by incinerating the spent molten zinc chloride to vaporize the zinc chloride for subsequent condensation to produce a purified molten zinc chloride: an improvement comprising the use of clay in the incineration zone to suppress the vaporization of metals other than zinc. Optionally water is used in conjunction with the clay to further suppress the vaporization of metals other than zinc.
- Research Organization:
- Conoco Coal Development Co
- DOE Contract Number:
- EX-76-C-01-1743
- Assignee:
- Conoco, Inc. (Stamford, CT); United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4257914
- OSTI ID:
- 863841
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
method
regeneration
spent
molten
zinc
chloride
process
regenerating
hydrocracking
coal
ash-containing
polynuclear
aromatic
hydrocarbonaceous
materials
derived
therefrom
contains
oxide
complexes
carbonaceous
residue
incinerating
vaporize
subsequent
condensation
produce
purified
improvement
comprising
clay
incineration
zone
suppress
vaporization
metals
optionally
water
conjunction
purified molten
materials derived
hydrocarbonaceous materials
regenerating spent
improvement comprising
zinc oxide
carbonaceous materials
carbonaceous material
zinc chloride
spent molten
containing carbon
aromatic hydrocarbon
molten zinc
derived therefrom
containing poly
polynuclear aromatic
containing carbonaceous
aromatic hydrocarbonaceous
/502/203/208/423/
regeneration
spent
molten
zinc
chloride
process
regenerating
hydrocracking
coal
ash-containing
polynuclear
aromatic
hydrocarbonaceous
materials
derived
therefrom
contains
oxide
complexes
carbonaceous
residue
incinerating
vaporize
subsequent
condensation
produce
purified
improvement
comprising
clay
incineration
zone
suppress
vaporization
metals
optionally
water
conjunction
purified molten
materials derived
hydrocarbonaceous materials
regenerating spent
improvement comprising
zinc oxide
carbonaceous materials
carbonaceous material
zinc chloride
spent molten
containing carbon
aromatic hydrocarbon
molten zinc
derived therefrom
containing poly
polynuclear aromatic
containing carbonaceous
aromatic hydrocarbonaceous
/502/203/208/423/