Repeated fed-batch rapid fermentation using yeast cells and activated carbon extraction system
Conference
·
· Biotechnol. Bioeng. Symp.; (United States)
OSTI ID:6060846
The application of a repeated fed-batch rapid ethanol fermentation employing immobilized yeast cells accompanied by an activated carbon extraction system has been investigated in an attempt to increase product yield. Immobilized and free yeast cells were used to effect ethanol fermentations in a simplified nitrogen-free medium containing only glucose and mineral salts. Repeatedly, fermentation broth with a high ethanol concentration (80 to 100 g/L) was extracted using activated carbon beads (BACM) and the resulting broth of low ethanol content (< 50 g/L) was recycled back for further fermentations. The maximum ethanol productivity achieved in this system was 25 g/L/h. 7 figures, 1 table.
- Research Organization:
- Univ. of Michigan, Ann Arbor
- OSTI ID:
- 6060846
- Report Number(s):
- CONF-820580-
- Conference Information:
- Journal Name: Biotechnol. Bioeng. Symp.; (United States) Journal Volume: 12
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
09 BIOMASS FUELS
090222* -- Alcohol Fuels-- Preparation from Wastes or Biomass-- (1976-1989)
140504 -- Solar Energy Conversion-- Biomass Production & Conversion-- (-1989)
ACTIVATED CARBON
ADSORBENTS
ALCOHOLS
ALDEHYDES
BATCH CULTURE
BIOCONVERSION
CARBOHYDRATES
CARBON
ELEMENTS
ETHANOL
EXTRACTION
FERMENTATION
FUNGI
GLUCOSE
HEXOSES
HYDROXY COMPOUNDS
IMMOBILIZED CELLS
MICROORGANISMS
MONOSACCHARIDES
NONMETALS
ORGANIC COMPOUNDS
PLANTS
PRODUCTION
RECOVERY
SACCHARIDES
SACCHAROMYCES
SACCHAROMYCES CEREVISIAE
SEPARATION PROCESSES
YEASTS
090222* -- Alcohol Fuels-- Preparation from Wastes or Biomass-- (1976-1989)
140504 -- Solar Energy Conversion-- Biomass Production & Conversion-- (-1989)
ACTIVATED CARBON
ADSORBENTS
ALCOHOLS
ALDEHYDES
BATCH CULTURE
BIOCONVERSION
CARBOHYDRATES
CARBON
ELEMENTS
ETHANOL
EXTRACTION
FERMENTATION
FUNGI
GLUCOSE
HEXOSES
HYDROXY COMPOUNDS
IMMOBILIZED CELLS
MICROORGANISMS
MONOSACCHARIDES
NONMETALS
ORGANIC COMPOUNDS
PLANTS
PRODUCTION
RECOVERY
SACCHARIDES
SACCHAROMYCES
SACCHAROMYCES CEREVISIAE
SEPARATION PROCESSES
YEASTS