Synthesis of Ozone at Atmospheric Pressure by a Quenched Induction-Coupled Plasma Torch

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The technical feasibility of using an induction-coupled plasma (ICP) torch to synthesize ozone at atmospheric pressure is explored. Ozone concentrations up to ~250 ppm were produced using a thermal plasma reactor system based on an ICP torch operating at 2.5 MHz and ~11 kVA with an argon/oxygen mixture as the plasma-forming gas. A gaseous oxygen quench formed ozone by rapid mixing of molecular oxygen with atomic oxygen produced by the torch. The ozone concentration in the reaction chamber was measured by Fourier Transform infrared (FTIR) spectroscopy over a wide range of experimental configurations. The geometry of the quench gas flow, ... continued below

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Blutke, A.; Stratton, B.C.; Mikkelsen, D.R.; Vavruska, J. & Knight, R. January 1, 1998.

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Description

The technical feasibility of using an induction-coupled plasma (ICP) torch to synthesize ozone at atmospheric pressure is explored. Ozone concentrations up to ~250 ppm were produced using a thermal plasma reactor system based on an ICP torch operating at 2.5 MHz and ~11 kVA with an argon/oxygen mixture as the plasma-forming gas. A gaseous oxygen quench formed ozone by rapid mixing of molecular oxygen with atomic oxygen produced by the torch. The ozone concentration in the reaction chamber was measured by Fourier Transform infrared (FTIR) spectroscopy over a wide range of experimental configurations. The geometry of the quench gas flow, the quench flow velocity, and the quench flow rate played important roles in determining the ozone concentration. The ozone concentration was sensitive to the torch RF power, but was insensitive to the torch gas flow rates. These observations are interpreted within the framework of a simple model of ozone synthesis.

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206 Kilobytes

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  • Other: DE00004522
  • Report No.: PPPL-3281
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/4522 | External Link
  • Office of Scientific & Technical Information Report Number: 4522
  • Archival Resource Key: ark:/67531/metadc676285

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • April 15, 2016, 7:58 p.m.

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Blutke, A.; Stratton, B.C.; Mikkelsen, D.R.; Vavruska, J. & Knight, R. Synthesis of Ozone at Atmospheric Pressure by a Quenched Induction-Coupled Plasma Torch, report, January 1, 1998; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc676285/: accessed April 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.