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Cogeneration of hydrogen and electrical power in an extended chemical-looping combustion
KTH, Superseded Departments, Chemical Engineering and Technology.
KTH, Superseded Departments, Chemical Engineering and Technology.
2004 (English)In: Energy-Efficient, Cost-Effective and Environmentally-Sustainable Systems and Processes, Vols 1-3 / [ed] Rivero, R; Monroy, L; Pulido, R; Tsatsaronis, G, MEXICO: INST MEXICANO DEL PETROLEO , 2004, 1151-1160 p.Conference paper (Refereed)
Abstract [en]

This paper presents an extended chemical-looping combustion (exCLC), which may be the core process in an advanced power generation system with CO2-capture that cogenerates hydrogen and electrical power. This paper focuses on the description of the exCLC and its novelty compared to the classic chemical-looping combustion (CLC), which is known as all efficient alternative for CO2-capture. In CLC. a solid oxygen carrier circulates between two fluidised-bed reactors and transports oxygen from the combustion air to the fuel, thus, the fuel is not mixed with air and an inherent CO2 separation occurs. In addition to the classic CLC, the exCLC inherently separates the CO2 and hydrogen, that is produced by the process. A thermo-chemical study of the exCLC provides the required operating conditions of each step. The results indicate that the production of hydrogen is possible as well as an inherent separation of hydrogen and CO2.

Place, publisher, year, edition, pages
Keyword [en]
chemical-looping combustion, CO2-capture, hydrogen production, cogeneration
National Category
Chemical Engineering
URN: urn:nbn:se:kth:diva-44694ISI: 000232747300103ISBN: 968-489-027-3OAI: diva2:451805
17th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy and Process Systems (ECOS 2004) Location: Guanajuato, MEXICO Date: JUL 07-09, 2004
QC 20111027Available from: 2011-10-27 Created: 2011-10-25 Last updated: 2011-10-27Bibliographically approved

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