Laboratory method for high-solids countercurrent fermentations

被引：17

作者：

Ross, MK ^{[1
]}

Holtzapple, MT ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Chem Engn, College Stn, TX 77843 USA

来源：

APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY | 2001年 / 94卷 / 02期

关键词：

fermentation; countercurrent; carboxylic acids; volatile fatty acids; MixAlco process; high solids;

D O I：

10.1385/ABAB:94:2:111

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：

Equipment and procedures were developed to study the conversion of lignocellulosic biomass to carboxylic acids using high-solids countercurrent fermentations. Countercurrent fermentations of cattle manure yielded a rapid fermentation (maximum 2.98 g of total acid/ [Ld]) with high acid concentrations (maximum of 32.5 g of total acid/L), but the acid yield tended to be low (maximum of 0.24 g of total acid/g of volatile solids). Countercurrent fermentations of a mixture of 80% municipal solid waste/20% sewage sludge fermented more slowly (maximum of 1.98 g of total acid/[L.d]) with a lower acid concentration (maximum of 26.5 g of total acids/L), but higher acid yields were achieved (maximum of 0.34 g of total acid/g of volatile solids).

引用

页码：111 / 126

页数：16

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