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Advanced Exergoenvironmental Analysis of a Steam Methane Reforming System for Hydrogen Production

[+] Author Affiliations
G. Tsatsaronis, A. Boyano, T. Morosuk

Technical University of Berlin, Berlin, Germany

A. M. Blanco-Marigorta

University of Las Palmas de Gran Canária, Spain, Las Palmas de Gran Canária, Spain

Paper No. IMECE2010-38551, pp. 839-848; 10 pages
doi:10.1115/IMECE2010-38551
From:
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4429-8
  • Copyright © 2010 by ASME

abstract

In this paper, an advanced exergoenvironmental analysis is conducted for a steam methane reforming process for the production of hydrogen. The approach for calculating pollutant formation is generalized and the assumptions required for applying the analysis are discussed in detail. These are the main contributions of this work to the development of exergy-based methods for the analysis of energy-intensive chemical processes. In an advanced exergoenvironmental analysis, the environmental impact associated with the exergy destruction within a component as well as the component-related environmental impact and a component-related pollutant formation are split into unavoidable/avoidable and endogenous/exogenous parts. This splitting improves our understanding of the sources of thermodynamic inefficiencies and their effect to the formation of environmental impacts and pollutants, and facilitates a subsequent improvement of the overall process. Finally, some improvement options developed on the basis of the results of the advanced exergoenvironmental analysis are discussed.

Copyright © 2010 by ASME

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