Exergoenvironmental analysis of a steam methane reforming process for hydrogen production

被引：243

作者：

Boyano, A. ^{[2
]}

Blanco-Marigorta, A. M. ^{[3
]}

Morosuk, T. ^{[1
]}

Tsatsaronis, G. ^{[2
]}

机构：

[1] Maritime Acad Szczecin, Inst Marine Prop Plants Operat, PL-70500 Szczecin, Poland

[2] Tech Univ Berlin, Inst Energy Engn, D-10587 Berlin, Germany

[3] Univ Las Palmas Gran Canaria, Dept Proc Engn, Las Palmas Gran Canaria 35017, Spain

来源：

ENERGY | 2011年 / 36卷 / 04期

关键词：

Hydrogen production; Steam methane reforming process; Exergoenvironmental analysis; Exergy analysis; Life cycle assessment; Eco-indicator; 99; LIFE-CYCLE ASSESSMENT; ENVIRONMENTAL-IMPACT; EXERGY ANALYSIS; NATURAL-GAS;

D O I：

10.1016/j.energy.2010.05.020

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Steam methane reforming (SMR) is one of the most promising processes for hydrogen production. Several studies have demonstrated its advantages from the economic viewpoint. Nowadays process development is based on technical and economical aspects; however, in the near future, the environmental impact will play a significant role in the design of such processes. In this paper, an SMR process is studied from the viewpoint of overall environmental impact, using an exergoenvironmental analysis. This analysis presents the combination of exergy analysis and life cycle assessment. Components where chemical reactions occur are the most important plant components from the exergoenvironmental point of view, because, in general, there is a high environmental impact associated with these components. This is mainly caused by the exergy destruction within the components, and this in turn is mainly due to the chemical reactions. The obtained results show that the largest potential for reducing the overall environmental impact is associated with the combustion reactor, the steam reformer, the hydrogen separation unit and the major heat exchangers. The environmental impact in these components can mainly be reduced by improving their exergetic efficiency. A sensitivity analysis for some important exergoenvironmental variables is also presented in the paper. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：2202 / 2214

页数：13

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