Electrode polarization studies in hot corrosion systems. Progress report, June 1, 1977--May 31, 1978

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Analysis of thermodynamic models pertaining to coal gasification is near completion. Model I, comprising a gas phase and a molten salt phase, pertains to laboratory materials testing; Model II incorporates as well a solid carbon phase and is intended to model typical gasifier environments. Anodic and cathodic polarization measurements on iron, 1018 steel, nickel, and 304 and 316 stainless steel have been performed in molten sodium carbonate under air and oxygen; tests under reducing environment are in progress. Preliminary metal/gas reactions tests involving iron, and hydrogen sulfide and nitrogen, have been performed. Reaction with nitrogen is minimal; reaction with hydrogen ... continued below

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Pages: 34

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Devereux, O.F. February 1, 1978.

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Description

Analysis of thermodynamic models pertaining to coal gasification is near completion. Model I, comprising a gas phase and a molten salt phase, pertains to laboratory materials testing; Model II incorporates as well a solid carbon phase and is intended to model typical gasifier environments. Anodic and cathodic polarization measurements on iron, 1018 steel, nickel, and 304 and 316 stainless steel have been performed in molten sodium carbonate under air and oxygen; tests under reducing environment are in progress. Preliminary metal/gas reactions tests involving iron, and hydrogen sulfide and nitrogen, have been performed. Reaction with nitrogen is minimal; reaction with hydrogen sulfide is very non-uniform, rendering kinetic analysis difficult.

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Pages: 34

Notes

Dep. NTIS, PC A03/MF A01.

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  • Report No.: COO-2960-2
  • Grant Number: EY-76-S-02-2960
  • DOI: 10.2172/5159368 | External Link
  • Office of Scientific & Technical Information Report Number: 5159368
  • Archival Resource Key: ark:/67531/metadc1061435

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • February 1, 1978

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 7:56 p.m.

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Devereux, O.F. Electrode polarization studies in hot corrosion systems. Progress report, June 1, 1977--May 31, 1978, report, February 1, 1978; San Diego, California. (digital.library.unt.edu/ark:/67531/metadc1061435/: accessed July 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.