Advancing the Technology Base for High Temperature Hydrogen Membranes

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High purity hydrogen is a critical component for at least two major industrial processes: 1) the refining of conventional steels and raw pig iron into low carbon steels and high purity iron used for high performance magnets in motors, generators, alternators, transformers, and etc.; and 2) refining metallurgical grade silicon to the high- purity, polycrystalline silicon used in fabricating single crystal silicon wafers for semiconductor manufacturing. In the process of producing low carbon iron products, CO and CO2 impurities prevent efficient removal of the carbon already in the raw iron. In the refining of metallurgical grade silicon, the presence of ... continued below

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10 p.

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Dye, Robert C. & Moss, Thomas S. 1997.

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Description

High purity hydrogen is a critical component for at least two major industrial processes: 1) the refining of conventional steels and raw pig iron into low carbon steels and high purity iron used for high performance magnets in motors, generators, alternators, transformers, and etc.; and 2) refining metallurgical grade silicon to the high- purity, polycrystalline silicon used in fabricating single crystal silicon wafers for semiconductor manufacturing. In the process of producing low carbon iron products, CO and CO2 impurities prevent efficient removal of the carbon already in the raw iron. In the refining of metallurgical grade silicon, the presence of any impurity above the part-per- million level prevents the ultimate fabrication of the large scale single crystals that are essential to the semiconductor device. In a lesser magnitude role, high quality hydrogen is used in a variety of other processes, including specialty metals refining (e.g., iridium, osmium, palladium, platinum, and ruthenium) and R{ampersand}D in areas such as organic synthesis and development of certain types of fuel cells. In all of these applications, a high-temperature hydrogen membrane can provide a method for achieving a very high purity level of hydrogen in a manner that is more economical and/or more rugged than existing techniques.

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10 p.

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OSTI as DE98003017

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  • 5. annual membrane technology separations planning conference, Newton, MA (United States), 27-29 Oct 1997

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  • Other: DE98003017
  • Report No.: LA-UR--97-3968
  • Report No.: CONF-9710158--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/532704 | External Link
  • Office of Scientific & Technical Information Report Number: 635083
  • Archival Resource Key: ark:/67531/metadc695477

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • May 5, 2016, 7:29 p.m.

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Dye, Robert C. & Moss, Thomas S. Advancing the Technology Base for High Temperature Hydrogen Membranes, article, 1997; New Mexico. (digital.library.unt.edu/ark:/67531/metadc695477/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.