Alkal treatment of corn stover to improve sugar production by enzymatic hydrolysis
Journal Article
·
· Biotechnol. Bioeng.; (United States)
Alkali treatment of corn stover improves the availability of cellulose and hemicellulose for enzymatic attack. Treatments were carried out for 1 to 60 min at temperatures and NaOH concentrations ranging from 100 to 150 degrees C and 0 to 2%, respectively. Solubilization of the stover and sugar production by enzymatic hydrolysis (Trichoderma viride cellulase) of the solid residue and the dissolved solids were used to measure the effect of caustic treatment. At 150 degrees C and 2% NaOH concentration, 65% of the original stover was dissolved after 5 min and 52% saccharification (g sugar/g stover) of the residue and dissolved solids by enzymatic hydrolysis was achieved compared to 20% for untreated corn stover. (6 Refs.)
- Research Organization:
- Dept. of Chemical Engineering, Univ. of Saskatchewan, Saskatoon, Saskatchewan, S7N OWO Canada; Dept. of Chemical Engineering, Univ. of Waterloo, Ontario, N2L 3G1 Canada
- OSTI ID:
- 5282922
- Journal Information:
- Biotechnol. Bioeng.; (United States), Journal Name: Biotechnol. Bioeng.; (United States) Vol. 25:8; ISSN BIBIA
- 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)
AGRICULTURAL WASTES
ALKALI METAL COMPOUNDS
ALKALINE HYDROLYSIS
CARBOHYDRATES
CELLULASE
CELLULOSE
CHEMICAL REACTIONS
DECOMPOSITION
ENZYMATIC HYDROLYSIS
ENZYMES
FUNGI
GLYCOSYL HYDROLASES
HEMICELLULOSE
HYDROGEN COMPOUNDS
HYDROLASES
HYDROLYSIS
HYDROXIDES
LYSIS
O-GLYCOSYL HYDROLASES
ORGANIC COMPOUNDS
ORGANIC WASTES
OXYGEN COMPOUNDS
PLANTS
POLYSACCHARIDES
SACCHARIDES
SACCHARIFICATION
SODIUM COMPOUNDS
SODIUM HYDROXIDES
SOLVOLYSIS
TRICHODERMA
TRICHODERMA VIRIDE
WASTES
090222* -- Alcohol Fuels-- Preparation from Wastes or Biomass-- (1976-1989)
140504 -- Solar Energy Conversion-- Biomass Production & Conversion-- (-1989)
AGRICULTURAL WASTES
ALKALI METAL COMPOUNDS
ALKALINE HYDROLYSIS
CARBOHYDRATES
CELLULASE
CELLULOSE
CHEMICAL REACTIONS
DECOMPOSITION
ENZYMATIC HYDROLYSIS
ENZYMES
FUNGI
GLYCOSYL HYDROLASES
HEMICELLULOSE
HYDROGEN COMPOUNDS
HYDROLASES
HYDROLYSIS
HYDROXIDES
LYSIS
O-GLYCOSYL HYDROLASES
ORGANIC COMPOUNDS
ORGANIC WASTES
OXYGEN COMPOUNDS
PLANTS
POLYSACCHARIDES
SACCHARIDES
SACCHARIFICATION
SODIUM COMPOUNDS
SODIUM HYDROXIDES
SOLVOLYSIS
TRICHODERMA
TRICHODERMA VIRIDE
WASTES