Separation of methyl t-butyl ether from close boiling C[sub 5] hydrocarbons by extractive distillation
Patent
·
OSTI ID:6419990
A method for recovering methyl t-butyl ether from a mixture of methyl t-butyl ether and 1-pentene which comprises distilling a mixture of methyl t-butyl ether and 1-pentene in the presence of about one part of an extractive agent per part of methyl t-butyl ether -- 1-pentene mixture, recovering the 1-pentene as overhead product and obtaining the methyl t-butyl ether and the extractive agent from the still pot, wherein said extractive agent consists of one material selected from the group consisting of sulfolane, nitroethane, t-butanol, ethylene glycol diacetate, 1-methoxy-2-propanol acetate, methyl isoamyl ketone, ethylene glycol methyl ether, propylene glycol phenyl ether and diethyl malonate.
- Assignee:
- Lloyd Berg, Bozeman, MT (United States)
- Patent Number(s):
- A; US 5228957
- Application Number:
- PPN: US 8-002505
- OSTI ID:
- 6419990
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020400 -- Petroleum-- Processing
10 SYNTHETIC FUELS
100200* -- Synthetic Fuels-- Production-- (1990-)
ACETATES
ADDITIVES
ALCOHOLS
ALKENES
BUTANOLS
CARBOXYLIC ACID SALTS
DISTILLATION
ETHERS
EXTRACTION
FUEL ADDITIVES
HYDROCARBONS
HYDROXY COMPOUNDS
KETONES
NITRO COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PENTENES
SEPARATION PROCESSES
020400 -- Petroleum-- Processing
10 SYNTHETIC FUELS
100200* -- Synthetic Fuels-- Production-- (1990-)
ACETATES
ADDITIVES
ALCOHOLS
ALKENES
BUTANOLS
CARBOXYLIC ACID SALTS
DISTILLATION
ETHERS
EXTRACTION
FUEL ADDITIVES
HYDROCARBONS
HYDROXY COMPOUNDS
KETONES
NITRO COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PENTENES
SEPARATION PROCESSES