Process for production of iso-olefin and ether
This patent describes a process for upgrading paraffinic naphtha to high octane fuel. It comprises: contacting a fresh naphtha feedstock stream containing a major amount of C7+ alkanes and naphthenes with medium pore acid cracking catalyst having the structure of MCM-22 under low pressure selective cracking conditions effective to produce at least 10 wt% total C4-C5 isoalkene and at lease 10 wt% total C4-C5 isoalkane, the cracking catalyst being substantially free of hydrogenation-dehydrogenation metal components and having an acid cracking activity less than 15; separating cracking effluent to obtain a light olefinic fraction rich in C4-C5 isoalkene and a C6+ liquid fraction of enhanced octane value; and etherifying the C4-C5 isoalkene fraction by catalytic reaction with lower akanol to produce tertiary-alkyl either product.
- Assignee:
- Mobil Oil Corp., Fairfax, VA (United States)
- Patent Number(s):
- US 5100533; A
- Application Number:
- PPN: US 7-607952
- OSTI ID:
- 5253658
- Resource Relation:
- Patent File Date: 1 Nov 1990
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
HYDROCARBONS
CATALYTIC CRACKING
NAPHTHA
REFINING
ALKENES
CHEMICAL COMPOSITION
ETHERS
OCTANE
PARAFFIN
PETROLEUM FRACTIONS
PETROLEUM REFINERIES
ALKANES
CHEMICAL REACTIONS
COAL TAR OILS
CRACKING
DECOMPOSITION
DISTILLATES
ENERGY SOURCES
FOSSIL FUELS
FUELS
INDUSTRIAL PLANTS
OILS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM DISTILLATES
PROCESSING
PYROLYSIS
THERMOCHEMICAL PROCESSES
WAXES
020400* - Petroleum- Processing
020500 - Petroleum- Products & By-Products