Ethanol production from industrial hemp: Effect of combined dilute acid/steam pretreatment and economic aspects

被引：49
|
作者：
Kuglarz, Mariusz [1 ]
Gunnarsson, Ingolfur B. [2 ]
Svensson, Sven-Erik [3 ]
Prade, Thomas [3 ]
Johansson, Eva [4 ]
Angelidaki, Irini [2 ]
机构：
[1] Univ Bielsko Biala, Fac Mat & Environm Sci, PL-43309 Bielsko Biala, Poland
[2] Tech Univ Denmark, Dept Environm Engn, DK-2800 Lyngby, Denmark
[3] Swedish Univ Agr Sci, Dept Biosyst & Technol, SE-23053 Alnarp, Sweden
[4] Swedish Univ Agr Sci, Dept Plant Breeding, SE-23053 Alnarp, Sweden
来源：
BIORESOURCE TECHNOLOGY | 2014年 / 163卷
关键词：
Bioethanol; Steam pretreatment; Industrial hemp; Economic analysis; STEAM EXPLOSION CONDITIONS; WHEAT-STRAW; BIOETHANOL PRODUCTION; BIOREFINERY CONCEPT; BIOMASS; COPRODUCTION; METHANE; BIOGAS; SACCHARIFICATION; BIOCONVERSION;
D O I：
10.1016/j.biortech.2014.04.049
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In the present study, combined steam (140-180 degrees C) and dilute-acid pre-hydrolysis (0.0-2.0%) were applied to industrial hemp (Cannabis sativa L), as pretreatment for lignocellulosic bioethanol production. The influence of the pretreatment conditions and cultivation type on the hydrolysis and ethanol yields was also evaluated. Pretreatment with 1% sulfuric acid at 180 degrees C resulted in the highest glucose yield (73-74%) and ethanol yield of 75-79% (0.38-0.40 g-ethanol/g-glucose). Taking into account the costs of biomass processing, from field to ethanol facility storage, the field-dried hemp pretreated at the optimal conditions showed positive economic results. The type of hemp cultivation (organic or conventional) did not influence significantly the effectiveness of the pretreatment as well as subsequent enzymatic hydrolysis and ethanol fermentation. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：236 / 243
页数：8
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