Catalytic conversion over dehydroxylated zeolite

Patent · Tue Dec 13 04:00:00 EST 1988

OSTI ID:6337861

Chang, C D; Chen, N Y; Hellring, S D; Tsao, P; Walsh, D E

This patent describes a process for catalytically dewaxing a hydrocarbon feedstock which comprises contacting the feedstock with a solid, porous catalyst comprising a zeolite having a Constraint Index of 1 to 12, a silica:alumina ratio of at least 12:1 and possessing acidic functionality, the zeolite having been heated to a temperature of at least 725/sup 0/C in an essentially water-free atmosphere to reduce its acidity to an alpha value below 100.

• Assignee: Mobil Oil Corp., New York, NY
• Patent Number(s): US 4790928
• OSTI ID: 6337861
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYSTS
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
DEWAXING
ENERGY SOURCES
FOSSIL FUELS
FUELS
HEATING
HIGH TEMPERATURE
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM
PH VALUE
QUANTITY RATIO
SEPARATION PROCESSES
SILICA
SILICON COMPOUNDS
SILICON OXIDES
SYNTHESIS
ZEOLITES