Integration of Solid Oxide Fuel Cell in a sugar-ethanol factory: analysis of the efficiency and the environmental profile of the products

被引：21

作者：

Casas, Yannay ^{[2
]}

Dewulf, Jo ^{[1
]}

Arteaga-Perez, Luis E. ^{[2
]}

Morales, Mayra ^{[2
]}

Van Langenhove, Herman ^{[1
]}

Rosa, Elena ^{[3
]}

机构：

[1] Univ Ghent, Res Grp ENVOC, B-9000 Ghent, Belgium

[2] Cent Univ Las Villas, Dept Chem Engn, Santa Clara 54830, Villa Clara, Cuba

[3] Cent Univ Las Villas, Appl Chem Ctr, Santa Clara 54830, Villa Clara, Cuba

来源：

JOURNAL OF CLEANER PRODUCTION | 2011年 / 19卷 / 13期

关键词：

Environmental impact; Exergy efficiency; SOFC; Renewability parameter; Ethanol; LIFE-CYCLE ASSESSMENT; ELECTRICITY-GENERATION; EXERGY; SYSTEM; BIOETHANOL; SIMULATION; REDUCTION; HYDROGEN; ENERGY;

D O I：

10.1016/j.jclepro.2011.04.018

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effect of the integration of Solid Oxide Fuel Cell (SOFC) technology in a sugar ethanol factory on the environmental profile/footprint of the products (sugar, ethanol, electricity) is evaluated. The sugarcane is the primary feedstock and sugar, ethanol and electricity are the main products of the system, where the functional unit is defined as 9.86 ton/h of sugar, 2.195 ton/h of hydrated ethanol (96% w/w) and 847 kWh of electricity. A detailed set of material and energy inputs and outputs was obtained from a local factory and was completed using simulation data by Aspen Plus (R). The environmental impacts (greenhouse gases and air pollution), exergy efficiency and a renewability parameter have been considered as indicators for the comparative assessment with conventional sugar, ethanol and electricity production technologies. The results show that the use of a SOFC technology involves a reduction of greenhouse gas emissions (52-55%) and non-renewable resources (60-64%) when compared with the conventional integrated sugar and ethanol plant. The higher renewability index (0.93) and exergy efficiency (38%) are noticed for the Solid Oxide Fuel Cell technology integrated in the sugar ethanol factory than conventional sugar ethanol plant. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1395 / 1404

页数：10

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