A comparison between SHF and SSSF processes from cardoon for ethanol production

被引：71

作者：

Cotana, Franco ^{[1
]}

Cavalaglio, Gianluca ^{[1
]}

Gelosia, Mattia ^{[1
]}

Coccia, Valentina ^{[1
]}

Petrozzi, Alessandro ^{[1
]}

Ingles, David ^{[1
]}

Pompili, Enrico ^{[1
]}

机构：

[1] Univ Perugia, CIRIAF, Biomass Res Ctr, I-06125 Perugia, Italy

来源：

INDUSTRIAL CROPS AND PRODUCTS | 2015年 / 69卷

关键词：

Lignocellulosic ethanol; Cardoon; Enzymatic hydrolysis; Fermentation; SSSF; SHF; CYNARA-CARDUNCULUS L; ENZYMATIC-HYDROLYSIS; STEAM EXPLOSION; BIOETHANOL PRODUCTION; BIOMASS; PRETREATMENT; SSF; FERMENTATION; ENERGY; FRACTIONATION;

D O I：

10.1016/j.indcrop.2015.02.064

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The purpose of the present work is the evaluation of Cynara cardunculus L. potential in terms of ethanol production from lignocellulosic feedstock for industrial purposes. After a steam explosion (SE) pretreatment at different severity conditions, to obtain the dissolution of hemicellulose and the separation between cellulose and lignin, two different processes were tested: separate hydrolysis and fermentation (SHF) and semi-simultaneous saccharification and fermentation (SSSF). The enzymatic hydrolysis was carried out with (TM) Ctec2 cellulase enzyme and fermentation with Saccharomyces cerevisiae yeast. The results showed slightly better performances by SSSF process compared to SHF, especially at low severity conditions, with a maximum overall ethanol yield of 13.64g of ethanol/100 g of raw material. For the SHF process the best overall ethanol yield achieved was 13.17 g of ethanol/100 g of raw materials. In addition, the SSSF process required at least 24 h less than the SHF to achieve the same final ethanol concentration for every severity condition tested. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：424 / 432

页数：9

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