Composition and ethanol production potential of cotton gin residues

被引：64
|
作者：
Agblevor, FA [1 ]
Batz, S [1 ]
Trumbo, J [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Dept Biol Syst Engn, Blacksburg, VA 24061 USA
来源：
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY | 2003年 / 105卷 / 1-3期
关键词：
cotton gin waste; steam explosion; characterization; summative composition;
D O I：
10.1385/ABAB:105:1-3:219
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Cotton gin residue (CGR) collected from five cotton gins was fractionated and characterized for summative composition. The. major fractions of the CGR varied widely between cotton gins and consisted of clean lint (5-12%), hulls (16-48%), seeds (6-24%), motes (16-24%), and leaves (14-30%). The summative composition varied within and between cotton gins and consisted of ash (7.9-14.6%), acid-insoluble material (18-26%), xylan (4-15%), and cellulose (20-38%). Overlimed steam-exploded cotton gin waste was readily fermented to ethanol by Escherichia coli KO11. Ethanol yields were feedstock and severity dependent and ranged from 58 to 92.5% of the theoretical yields. The highest ethanol yield was 191 L (50 gal)/t, and the lowest was 120 L (32 gal)/t.
引用
收藏
页码：219 / 230
页数：12
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