Measurements of alkali concentrations in an oxygen-natural gas-fired soda-lime-silica glass furnace

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Sodium species vaporized from melting batch and molten glass in tank furnaces are the principal agents of corrosion of superstructure refractory and main contributors to emissions of particulate matter from glass melting. The use of oxygen in place of air for combustion of natural gas reduces particulate emissions, but is thought to accelerate corrosion in some melting tanks. Methods for measuring sodium are under investigation as means for identifying the volatilization, transport, and deposition mechanisms and developing strategies for control. Three separate methods were used to measure the concentrations of sodium species at various locations in an oxygen-natural gas-fired soda-lime-silica ... continued below

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32 p.

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Buckley, S. G.; Walsh, P. M.; Hahn, D. w.; Gallagher, R. J.; Misra, M. K.; Brown, J. T. et al. October 18, 1999.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Sodium species vaporized from melting batch and molten glass in tank furnaces are the principal agents of corrosion of superstructure refractory and main contributors to emissions of particulate matter from glass melting. The use of oxygen in place of air for combustion of natural gas reduces particulate emissions, but is thought to accelerate corrosion in some melting tanks. Methods for measuring sodium are under investigation as means for identifying the volatilization, transport, and deposition mechanisms and developing strategies for control. Three separate methods were used to measure the concentrations of sodium species at various locations in an oxygen-natural gas-fired soda-lime-silica glass melting tank. Measurements were made inside the furnace using the absorption of visible light and in the flue duct using Laser-Induced Breakdown Spectroscopy (LIBS). Measurements in both the furnace and flue were also made by withdrawing and analyzing samples of the furnace gas.

Physical Description

32 p.

Notes

OSTI as DE00755820

Medium: P; Size: 32 pages

Source

  • Ceramic Engineering and Science Proceedings, Cleveland, OH (US), 10/18/1999

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  • Report No.: SAND2000-8405C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 755820
  • Archival Resource Key: ark:/67531/metadc711608

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  • October 18, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 12, 2017, 1:17 p.m.

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Buckley, S. G.; Walsh, P. M.; Hahn, D. w.; Gallagher, R. J.; Misra, M. K.; Brown, J. T. et al. Measurements of alkali concentrations in an oxygen-natural gas-fired soda-lime-silica glass furnace, article, October 18, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc711608/: accessed November 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.