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Abstract
Decentralized hydrogen production via fixed bed chemical looping offers the opportunity for an emission free economy based on hydrogen. The cyclic process consists of the reduction of an iron based oxygen carrier with syngas from biofuels or methane at 800 °C and the following oxidation with steam to produce high purity pressurized hydrogen with efficiencies up to 80%. The alternating reduction and oxidation reactions at high temperatures lead to oxygen carrier deactivation processes due to the high material stress. An applicable oxygen carrier synthesis route has to be found that combines high cyclic stability with economic feasibility.
Original language | English |
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Publication status | Published - 4 Apr 2018 |
Event | Minisymposium Verfahrenstechnik 2018 - Johannes Kepler Universität Linz, Linz, Austria Duration: 4 Apr 2018 → 4 Apr 2018 http://www.chemical-engineering.at/conference/index.php/miniVT/2018/index |
Conference
Conference | Minisymposium Verfahrenstechnik 2018 |
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Country/Territory | Austria |
City | Linz |
Period | 4/04/18 → 4/04/18 |
Internet address |
Keywords
- hydrogen
- chemical looping hydrogen
- oxygen carrier
- iron oxide
- thermogravimetric analysis
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Dive into the research topics of 'Improvement of iron based oxygen carriers for chemical looping hydrogen'. Together they form a unique fingerprint.Projects
- 1 Finished
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HyStORM - Hydrogen Storage via Oxidation and Reduction of Metals
Hacker, V., Malli, K., Zacharias, R. & Bock, S.
1/03/16 → 31/12/19
Project: Research project