Application of a continuous twin screw-driven process for dilute acid pretreatment of rape straw

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논문

Application of a continuous twin screw-driven process for dilute acid pretreatment of rape straw

학술지

Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies

저자명

Choi, C.H.; Oh, K.K.

초록

Rape straw, a processing residue generated from the bio-oil industry, was used as a model biomass for application of continuous twin screw-driven dilute acid pretreatment. The screw rotation speed and feeding rate were adjusted to 19.7rpm and 0.5g/min, respectively to maintain a residence time of 7.2min in the reaction zone, respectively. The sulfuric acid concentration was 3.5wt% and the reaction temperature was 165<SUP>o</SUP>C. The enzymatic digestibility of the glucan in the pretreated solids was 70.9%. The continuous process routinely gave around 28.8% higher yield for glucan digestibility than did the batch processing method.

발행연도

2012

발행기관

Elsevier Applied Science

ISSN

0960-8524

권

110

페이지

pp.349-354

DOI

10.1016/j.biortech.2012.01.075