Metallurgical Transactions B

, Volume 19, Issue 6, pp 927–933 | Cite as

Vapor phase reduction of chromic oxide in an Ar-H2 Rf Plasma

  • A. Huczko
  • P. Meubus
Physical Chemistry
Received:

Abstract

The reduction of chromic oxide in an rf Ar-H2 plasma was studied with a new experimental system, the process being carried out entirely in the vapor phase. The products were collected along the reactor length and analyzed by chemical methods as well as by SEM, X-ray, and IR absorption techniques. Temperatures in the reaction zone were measured by means of spectroscopic techniques. A diffusion model for the build-up of wall-deposited constituents is discussed. Vapor phase plasma reduction of Cr2O3 proved to be much more effective in comparison to both thermal decomposition and heterogeneous reduction.

Keywords

Metallurgical Transaction Plasma Torch Induction Coil Chromic Oxide Chromium Oxide 
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Copyright information

© The Metallurgical Society and ASM INTERNATIONAL 1988

Authors and Affiliations

  • A. Huczko
    • 1
  • P. Meubus
    • 2
  1. 1.Department of ChemistryWarsaw UniversityWarsawPoland
  2. 2.Department of Applied SciencesUniversité du Québec à ChicoutimiChicoutimiCanada

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