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Keywords: Hydrogen
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Proceedings Papers

Proc. ASME. ES2013, ASME 2013 7th International Conference on Energy Sustainability, V001T10A006, July 14–19, 2013
Paper No: ES2013-18403
...Investigation of Thermochemical Hydrogen Production via the Novel Thermo-Mechanical Stabilized Iron Oxide-Zirconia Porous Structure Ayyoub M. Mehdizadeh 1* , Kelvin Randhir 2 , James F. Klausner 3 , Nicholas AuYeung 1 , Fotouh Al-Raqom 2 , Renwei Mei 3 and David Hahn 3 1. Post Doctoral Research...
Proceedings Papers

Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 1595-1605, August 7–10, 2011
Paper No: ES2011-54193
... Thermodynamics, Solar Research 51147 Köln, Germany #German Aerospace Center (DLR) Institute of Materials Research 51147 Köln, Germany ABSTRACT A two-step thermochemical cycle for hydrogen production using mixed iron oxides coated on silicon carbide substrates has been investigated. The water-splitting step...
Topics: Cycles, Iron, Water
Proceedings Papers

Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 903-916, August 7–10, 2011
Paper No: ES2011-54752
... 1 Copyright © 2011 by ASME HYDROGEN PRODUCTION AND UTILIZATION IN PETROLEUM REFINERIES: A STUDY OF THE U.S. OIL AND GAS INDUSTRY ABSTRACT Petroleum refining industry in the United States is the largest in the world operating 148 refineries. These refineries contribute a major economic value...
Proceedings Papers

Proc. ASME. ES2010, ASME 2010 4th International Conference on Energy Sustainability, Volume 1, 241-254, May 17–22, 2010
Paper No: ES2010-90323
... 10 01 2011 This paper presents a thermo-economic assessment of three different hydrogen production processes using fossil fuels as feedstock. First, the paper provides process-step level energy and cost analysis for the solar reforming of natural gas. The same analysis is given...
Proceedings Papers

Proc. ASME. ES2010, ASME 2010 4th International Conference on Energy Sustainability, Volume 1, 255-263, May 17–22, 2010
Paper No: ES2010-90324
... sweeping gas to identify the best screening gas to avoid carbon deposition inside the vortex-flow reactor. Our results have shown that hydrogen is a better screening gas than argon. Keywords: Solar cracking; RTD; Solar reactor; Hydrogen; CFD; Vortex. 1. INTRODUCTION Solar thermal cracking of natural gas...
Proceedings Papers

Proc. ASME. ES2010, ASME 2010 4th International Conference on Energy Sustainability, Volume 1, 265-272, May 17–22, 2010
Paper No: ES2010-90341
... hydrogen (GH2) and anhydrous ammonia (NH 3 ) fuels can: GH2 in large solution-mined salt caverns, NH 3 in surface tanks, interconnected via underground pipelines in RE systems for gathering, transmission, distribution, and end use. Thus, we need to think beyond electricity as we plan new “transmission...
Proceedings Papers

Proc. ASME. ES2010, ASME 2010 4th International Conference on Energy Sustainability, Volume 2, 143-152, May 17–22, 2010
Paper No: ES2010-90326
... 10 01 2011 With the increasing concern of CO 2 emissions and climate change, efforts have grown to include solar technologies in chemical processes to manufacture products that can be used both as a commodity and as a fuel, such as hydrogen. This study focuses on a technique, referred...
Proceedings Papers

Proc. ASME. ES2009, ASME 2009 3rd International Conference on Energy Sustainability, Volume 1, 335-340, July 19–23, 2009
Paper No: ES2009-90365
... 05 10 2010 This research presents an approach for modeling and control of a hydrogen production plant based in steam reforming of methane (SRM). Many studies in the literature have established some important hydrogen production plant information related to sizing and optimization...
Proceedings Papers

Proc. ASME. ES2009, ASME 2009 3rd International Conference on Energy Sustainability, Volume 1, 295-304, July 19–23, 2009
Paper No: ES2009-90273
... 05 10 2010 The transient thermal behavior of two solar receiver-reactors for hydrogen production has been modeled using Modelica/Dymola. The simulated reactors are dedicated to carry out the same chemical reactions but represent two different development stages of the project HYDROSOL...
Proceedings Papers

Proc. ASME. ES2009, ASME 2009 3rd International Conference on Energy Sustainability, Volume 1, 97-103, July 19–23, 2009
Paper No: ES2009-90056
... 05 10 2010 Biomass gasification process is simulated in order to determine the influence of the operating parameters on the quality of the gas produced. Furthermore, the hydrogen required to enrich the syngas is also established. The modeling and simulation showed that the gas obtained...
Proceedings Papers

Proc. ASME. ES2008, ASME 2008 2nd International Conference on Energy Sustainability, Volume 1, 525-535, August 10–14, 2008
Paper No: ES2008-54171
... into promising sulfur based thermochemical cycles for solar production of hydrogen from water. After proof-of-principle a modified design of the reactor was applied. A separated chamber for the evaporation of the sulfuric acid, which is the precursor of sulfur trioxide in the mentioned thermochemical cycles...
Proceedings Papers

Proc. ASME. ES2008, ASME 2008 2nd International Conference on Energy Sustainability, Volume 1, 331-338, August 10–14, 2008
Paper No: ES2008-54121
... 23 06 2009 This paper gives a representative energy process-step model of hydrogen production in the U.S. Chemical Industry based on federal data. There have been prior efforts to create energy process-step models for other industries. However, among all manufacturing industries...
Proceedings Papers

Proc. ASME. ES2008, ASME 2008 2nd International Conference on Energy Sustainability, Volume 1, 507-515, August 10–14, 2008
Paper No: ES2008-54328
.... Similar to hydrogen, ammonia is a synthetic product that can be obtained thermally, physically, chemically or biologically either from fossil fuels, biomass, or other renewable sources and can be used as a clean fuel. The refrigeration effect of ammonia is another advantage of it and is included...
Proceedings Papers

Proc. ASME. ES2008, ASME 2008 2nd International Conference on Energy Sustainability, Volume 1, 517-524, August 10–14, 2008
Paper No: ES2008-54031
... hydrogen in a LaNi 5 reference storage tank. Compared to gas transport and reaction kinetics, heat transfer is found to limit the hydrogen charging dynamics of the storage tank. To improve the refueling time, it is found to be necessary to increase first of all the heat transfer inside the metal hydride...
Proceedings Papers

Proc. ASME. ES2007, ASME 2007 Energy Sustainability Conference, 25-29, July 27–30, 2007
Paper No: ES2007-36098
... 26 02 2009 UT-3 thermochemical hydrogen production cycle has been studied, both theoretically and experimentally, and is one of the very few cycles studied on a pilot plant scale. The maximum operating temperature in this cycle is relatively lower than the temperatures in other cycles...
Proceedings Papers

Proc. ASME. ES2007, ASME 2007 Energy Sustainability Conference, 47-57, July 27–30, 2007
Paper No: ES2007-36259
... of the SOFC stack in combination with a gas turbine cycle are presented. solid oxide fuel cell energy exergy efficiency hydrogen electricity fuel cell Proceedings of ASME2007 Energy Sustainability 2007 June 27-30, 2007, Long Beach, California, USA L L F o pp o O se gas turbine cycle integrated...