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Passivating metals on cracking catalysts

Patent ·
OSTI ID:5778358
Metals such as nickel, vanadium and iron contaminating a cracking catalyst are passivated by contacting the cracking catalyst under elevated temperature conditions with antimony selenide, antimony sulfide, antimony sulfate, bismuth selenide, bismuth sulfide, or bismuth phosphate.
Assignee:
Phillips Petroleum Co
Patent Number(s):
US 4183803
OSTI ID:
5778358
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
ANTIMONY COMPOUNDS
ANTIMONY SELENIDES
ANTIMONY SULFATES
ANTIMONY SULFIDES
BISMUTH COMPOUNDS
BISMUTH PHOSPHATES
BISMUTH SELENIDES
BISMUTH SULFIDES
CATALYSTS
CATALYTIC CRACKING
CHALCOGENIDES
CHEMICAL ACTIVATION
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ELEMENTS
HYDROCARBONS
IRON
METALS
NICKEL
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PASSIVATION
PHOSPHATES
PHOSPHORUS COMPOUNDS
PYROLYSIS
SELENIDES
SELENIUM COMPOUNDS
SULFATES
SULFIDES
SULFUR COMPOUNDS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
VANADIUM