Hydrolysis of Poplar for Cellulosic Ethanol Production
A preliminary process design has been conducted for a facility for biochemical conversion of poplar hardwood to hexose (C6) and pentose (C5) sugars via enzymatic hydrolysis. This facility is in contrast to conventional plants, which use corn stover as the primary feedstock. The three primary process sections are (1) dilute-acid pretreatment, (2) saccharification, and (3) ethanol precipitation and sugar separation. The design was based on existing pilot plants including Zeachem and National Renewable Energy Laboratory (NREL) facilities. The dilute-acid pretreatment section utilizes sulfuric acid ...
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