Crystalline porous silicate composite and its use in catalytic cracking

Patent · Tue Sep 24 04:00:00 EDT 1991

OSTI ID:5796192

Herbst, J A; Huss, A Jr

This patent describes a method for catalytically cracking gas oil, residual oil, and admixtures thereof in a cracking unit to a product. It comprises increased C{sub 3} and C{sub 4} olefins and gasoline of an increased octane number, wherein the method comprises in combination subjecting the gas oil to catalytic cracking conditions, in the presence of a cracking catalyst inventory comprising an inorganic oxide matrix bound porous crystalline silicate having a Constraint Index of between about 1 and about 12 and a catalytically active cracking catalyst selected from the group consisting of amorphous silica- alumina, crystalline silica-alumina and large port crystalline zeolites, wherein the inorganic oxide matrix bound porous crystalline silicate is produced by preparing the silicate from a reaction mixture which comprises a source of silicon and water, thereafter adding to the reaction mixture which contains unincorporated silica and a crystalline silicate, an inorganic oxide matrix and water and spray drying the resulting mixture to produce an inorganic oxide matrix bound porous crystalline silicate whereby the unincorporated silica is incorporated in the matrix; and subjecting the inorganic oxide matrix bound porous crystalline silicate to steam; producing gasoline of the octane number and C{sub 3} and C{sub 4} olefins; recovering the C{sub 3} and C{sub 4} olefins; and passing the steamed silicate to the cracking unit.

• Assignee: Mobil Oil Corp., Fairfax, VA (United States)
• Patent Number(s): US 5051164; A
• Application Number: PPN: US 7-298866
• OSTI ID: 5796192
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
020500 -- Petroleum-- Products & By-Products
023000 -- Petroleum-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
ALKANES
CATALYSTS
CATALYTIC CRACKING
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ENERGY SOURCES
FOSSIL FUELS
FUELS
GASOLINE
HYDROCARBONS
INDUSTRIAL PLANTS
LIQUID FUELS
MATERIALS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PETROLEUM
PETROLEUM FRACTIONS
PETROLEUM PRODUCTS
PETROLEUM REFINERIES
PETROLEUM RESIDUES
POROUS MATERIALS
PYROLYSIS
SILICATES
SILICON COMPOUNDS
THERMOCHEMICAL PROCESSES