Published Date

Bioresour Technol. 2011 Aug;102(15):7307-12. doi: 10.1016/j.biortech.2011.04.082. Epub 2011 May 1.

Ethanol production from oil palm trunks treated with aqueous ammonia and cellulase.

Jung YH1, Kim IJ, Kim JJ, Oh KK, Han JI, Choi IG, Kim KH

Abstract

Oil palm trunks are a possible lignocellulosic source for ethanol production. Low enzymatic digestibility of this type of material (11.9% of the theoretical glucose yield) makes pretreatment necessary. An enzymatic digestibility of 95.4% with insoluble solids recovery of 49.8% was achieved after soaking shredded oil palm trunks in ammonia under optimum conditions (80°C, 1:12 solid-to-liquid ratio, 8h and 7% (w/w) ammonia solution). Treatment with 60 FPU of commercial cellulase (Accellerase 1000) per gram of glucan and fermentation with Saccharomyces cerevisiae D(5)A resulted in an ethanol concentration of 13.3g/L and an ethanol yield of 78.3% (based on the theoretical maximum) after 96 h. These results indicate that oil palm trunks are a biomass feedstock that can be used for bioethanol production.

For further details log on website :
http://www.ncbi.nlm.nih.gov/pubmed/21616661