Solar fermentation and distillation process
A solar fermentation process and distillation system for the manufacture of ethanol product suitable for blending with motor gasoline or as a substitute fuel for gasoline. Fermentation of starches or sugars is carried out in situ in solar collector tubes. The raw beer product emanating from the solar tubes is purified into a high quality ethanol fuel product by passing the beer product through a series of distillation columns whose internal reboil vapor is generated in whole or in substantial part through direct application of solar heat energy. The use of solar energy as heating source in the fermentation and distillation steps markedly reduces the need for external utilities such as steam and fuel to run the plant thereby greatly reducing the operating costs of the plant.
- Assignee:
- EDB-84-164739
- Patent Number(s):
- US 4455374
- OSTI ID:
- 6478334
- Resource Relation:
- Patent File Date: Filed date 14 Jul 1982; Other Information: PAT-APPL-398210
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
ETHANOL
PRODUCTION
SOLAR DISTILLATION
FERMENTATION
SOLAR PROCESS HEAT
SACCHARIDES
STARCH
FUEL ADDITIVES
GASOLINE
IN-SITU PROCESSING
PURIFICATION
SOLAR COLLECTORS
SOLAR RADIATION
ADDITIVES
ALCOHOLS
BIOCONVERSION
CARBOHYDRATES
ENERGY
EQUIPMENT
FUELS
HEAT
HYDROXY COMPOUNDS
LIQUID FUELS
ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
POLYSACCHARIDES
PROCESS HEAT
PROCESSING
RADIATIONS
REAGENTS
SOLAR EQUIPMENT
STELLAR RADIATION
090222* - Alcohol Fuels- Preparation from Wastes or Biomass- (1976-1989)
140504 - Solar Energy Conversion- Biomass Production & Conversion- (-1989)
140905