Progressing batch hydrolysis process
A progressive batch hydrolysis process is disclosed for producing sugar from a lignocellulosic feedstock. It comprises passing a stream of dilute acid serially through a plurality of percolation hydrolysis reactors charged with feed stock, at a flow rate, temperature and pressure sufficient to substantially convert all the cellulose component of the feed stock to glucose. The cooled dilute acid stream containing glucose, after exiting the last percolation hydrolysis reactor, serially fed through a plurality of pre-hydrolysis percolation reactors, charged with said feedstock, at a flow rate, temperature and pressure sufficient to substantially convert all the hemicellulose component of said feedstock to glucose. The dilute acid stream containing glucose is cooled after it exits the last prehydrolysis reactor.
- Research Organization:
- Solar Energy Research Inst., Golden, CO (USA)
- DOE Contract Number:
- AC02-83CH10093
- Assignee:
- Dept. of Energy
- Patent Number(s):
- US A 6-690544
- Application Number:
- ON: DE85017754
- OSTI ID:
- 5331074
- Country of Publication:
- United States
- Language:
- English
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ACID HYDROLYSIS
ALDEHYDES
CARBOHYDRATES
CELLULOSE
CHEMICAL REACTIONS
DECOMPOSITION
DESIGN
GLUCOSE
HEAT TREATMENTS
HEXOSES
HYDROLYSIS
LYSIS
MONOSACCHARIDES
ORGANIC COMPOUNDS
POLYSACCHARIDES
RECYCLING
SACCHARIDES
SOLVOLYSIS