Acid softening and hydrolysis of cellulose

Technical Report · Sun Dec 31 23:00:00 EST 1989

DOI:https://doi.org/10.2172/5898379· OSTI ID:5898379

Cellulose obtained from steam-exploded wood is softened with concentrated sulfuric acid. After removal of most of the acid by washing with ethanol, the residual acid hydrolyzes the cellulose as it is added in portions to water. Very attractive features of this process are reaction speed that is many times that of enzymatic hydrolysis, simplicity, and the potential to prepare high concentrations of glucose in the hydrolysis mixture. The experiments addressed yields, glucose concentrations, and recycle of sulfuric acid because these have great impact on process economics. 27 refs., 9 tabs.

• Research Organization: New York State Energy Research and Development Authority, Albany, NY (USA); Rensselaer Polytechnic Inst., Troy, NY (USA). Dept. of Chemical Engineering
• Sponsoring Organization: NYSERDA; New York State Energy Research and Development Authority, Albany, NY (USA)
• OSTI ID: 5898379
• Report Number(s): NYSERDA-91-2; ON: TI91012245
• Country of Publication: United States
• Language: English

Related Subjects

09 BIOMASS FUELS
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098000 -- Biomass Fuels-- Waste Management-- (1990-)
ALCOHOLS
ALDEHYDES
AUTOHYDROLYSIS
BIOMASS
CARBOHYDRATES
CELLULOSE
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
DECOMPOSITION
DOCUMENT TYPES
ENERGY SOURCES
ETHANOL
GLUCOSE
HEAT TREATMENTS
HEMICELLULOSE
HEXOSES
HYDROGEN COMPOUNDS
HYDROLYSIS
HYDROXY COMPOUNDS
INORGANIC ACIDS
LIGNIN
LYSIS
MANAGEMENT
MONOSACCHARIDES
ORGANIC COMPOUNDS
POLYSACCHARIDES
PROCESSING
PROGRESS REPORT
REFINING
RENEWABLE ENERGY SOURCES
RENEWABLE RESOURCES
RESOURCES
SACCHARIDES
SOLVOLYSIS
SULFURIC ACID
WASTE MANAGEMENT
WOOD
YIELDS