Techno-economic analysis of different pretreatment processes for lignocellulosic-based bioethanol production

被引：99

作者：

da Silva, Andre Rodrigues Gurgel ^{[1
]}

Ortega, Carlo Edgar Torres ^{[1
]}

Rong, Ben-Guang ^{[1
]}

机构：

[1] Univ Southern Denmark, Dept Chem Engn Biotechnol & Environm Technol, Campusvej 55, DK-5230 Odense M, Denmark

来源：

BIORESOURCE TECHNOLOGY | 2016年 / 218卷

关键词：

Lignocellulosic biomass; Bioethanol; Pretreatment; Techno-economic analysis; HOT-WATER PRETREATMENT; ENZYMATIC-HYDROLYSIS; CORN STOVER; ETHANOL-PRODUCTION; EXPLOSION PRETREATMENT; BIOFUEL PRODUCTION; ACID PRETREATMENT; WHEAT-STRAW; DILUTE-ACID; BIOMASS;

D O I：

10.1016/j.biortech.2016.07.007

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

In this work, a method based on process synthesis, simulation and evaluation has been used to setup and study the industrial scale lignocellulosic bioethanol productions processes. Scenarios for pretreatment processes of diluted acid, liquid hot water and ammonia fiber explosion were studied. Pretreatment reactor temperature, catalyst loading and water content as well as solids loading in the hydrolysis reactor were evaluated regarding its effects on the process energy consumption and bioethanol concentration. The best scenarios for maximizing ethanol concentration and minimizing total annual costs (TAC) were selected and their minimum ethanol selling price was calculated. Ethanol concentration in the range of 2-8% (wt.) was investigated after the pretreatment. The best scenarios maximizing the ethanol concentration and minimizing TAC obtained a reduction of 19.6% and 30.2% respectively in the final ethanol selling price with respect to the initial base case. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：561 / 570

页数：10

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