Low energy process of producing gasoline-ethanol mixtures
Patent
·
OSTI ID:5741182
Gasoline-ethanol mixtures useable as motor fuel are produced by a relatively low energy process comprising interrelated distillation and extraction steps. In the first step, aqueous ethanol, such as an ethanol fermentation beer, is subjected to fractional distillation to produce a distillate of at least 75 weight percent ethanol, which is then subjected to extraction with gasoline under conditions producing an extract containing the desired amount of ethanol, such as 8 to 14% by weight. The aqueous phase raffinate from the extraction is returned to the fractionation column for redistillation.
- Assignee:
- Kansas State Univ Research Foundation
- Patent Number(s):
- US 4297172
- OSTI ID:
- 5741182
- Resource Relation:
- Patent File Date: Filed date 23 Jan 1980; Other Information: PAT-APPL-114699
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
02 PETROLEUM
GASOHOL
CHEMICAL PREPARATION
INTERNAL COMBUSTION ENGINES
AUTOMOTIVE FUELS
ENERGY EFFICIENCY
ETHANOL
EXTRACTION
FRACTIONATION
FUEL SUBSTITUTION
GASOLINE
PROCESSING
ALCOHOLS
EFFICIENCY
ENGINES
FUELS
HEAT ENGINES
HYDROXY COMPOUNDS
LIQUID FUELS
ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
SEPARATION PROCESSES
SYNTHESIS
330800* - Emission Control- Alternative Fuels
330100 - Internal Combustion Engines
020500 - Petroleum- Products & By-Products
02 PETROLEUM
GASOHOL
CHEMICAL PREPARATION
INTERNAL COMBUSTION ENGINES
AUTOMOTIVE FUELS
ENERGY EFFICIENCY
ETHANOL
EXTRACTION
FRACTIONATION
FUEL SUBSTITUTION
GASOLINE
PROCESSING
ALCOHOLS
EFFICIENCY
ENGINES
FUELS
HEAT ENGINES
HYDROXY COMPOUNDS
LIQUID FUELS
ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
SEPARATION PROCESSES
SYNTHESIS
330800* - Emission Control- Alternative Fuels
330100 - Internal Combustion Engines
020500 - Petroleum- Products & By-Products