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Design Construction and Test of a Subscale Ammonia Borane Reactor

[+] Author Affiliations
Kedaresh A. Deshpande, Tyler G. Voskuilen, Sumit Basu, Timothée L. Pourpoint, Jay P. Gore

Purdue University, West Lafayette, IN

Yuan Zheng

University of Wyoming, Laramie, WY

Paper No. IMECE2010-39343, pp. 849-855; 7 pages
doi:10.1115/IMECE2010-39343
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

Two ammonia borane (AB or NH3 BH3 ) dehydrogenation routes, namely hydrolysis and thermolysis, have been described in the literature. The work done on design, construction and testing of a subscale AB reactor is reported herein along with a discussion on the results. In this work, an AB dehydrogenation reactor system capable of handling two grams of AB per batch was designed. Operational safety, material compatibility and manufacturability were the major design requirements. The reactor system consisted of a high pressure feeder, a cylindrical stainless steel reactor vessel, an evolved gas heat exchanger and an ammonia filter, and a hydrogen flow meter. The reactor was operated in a temperature range of 430 K to 445 K for a nominal batch reaction time of 30 minutes. Measurements of hydrogen yield rates, system storage capacity and analysis of the reaction kinetics were completed. Overall repeatability of hydrogen yields was confirmed. A few practical problems associated with byproduct formation and removal are discussed in this paper.

Copyright © 2010 by ASME
Topics: Construction , Design

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