Test of a Natural-Circulating High-Pressure Recombiner for Hydrogen and Oxygen

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A natural-circulation loop to catalytically recombine hydrogen and oxygen at high pressure was built and operated without incident. Stoichiometric 2H/sub 2/ + O/sub 2/ electrolytically generated from 15% KOH at high pressure, was recombined on platinized wire mesh at a rate of 0.60 to 0.75 scfm at 350 deg C aad 1500 psi total pressure for a period of 2500 hours. The concentration of stoichiometric gas ranged up to 8 mol%, the diluent being steam and excess O/sub 2/. Metallurgical examination of zirconium and titanium alloys and a modified 430 stainless steel exposed in the system indicated none would be ... continued below

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16 p.

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Hannaford, B. A. May 1, 1960.

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Description

A natural-circulation loop to catalytically recombine hydrogen and oxygen at high pressure was built and operated without incident. Stoichiometric 2H/sub 2/ + O/sub 2/ electrolytically generated from 15% KOH at high pressure, was recombined on platinized wire mesh at a rate of 0.60 to 0.75 scfm at 350 deg C aad 1500 psi total pressure for a period of 2500 hours. The concentration of stoichiometric gas ranged up to 8 mol%, the diluent being steam and excess O/sub 2/. Metallurgical examination of zirconium and titanium alloys and a modified 430 stainless steel exposed in the system indicated none would be a suitable material of construction for all parts of the recombiner system, although Zircaloy-2 would be adequate for fabrication of the boiler, and the modified 430 stainless steel for the recombiner section. (auth)

Physical Description

16 p.

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  • Other Information: Orig. Receipt Date: 31-DEC-60

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  • Report No.: CF-60-5-107
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/4163506 | External Link
  • Office of Scientific & Technical Information Report Number: 4163506
  • Archival Resource Key: ark:/67531/metadc865476

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • May 1, 1960

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 12, 2017, 2:10 p.m.

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Hannaford, B. A. Test of a Natural-Circulating High-Pressure Recombiner for Hydrogen and Oxygen, report, May 1, 1960; Tennessee. (digital.library.unt.edu/ark:/67531/metadc865476/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.