State Parameters and Phase Transformations in Carbonized Periclase Refractories

State Parameters and Phase Transformations in Carbonized Periclase Refractories The effect of temperature and formulation (relative volumes of the gas phase) on phase and chemical transformations in the MgO – C – H2O – air system at 298 – 2400 K is considered using methods of thermodynamic and physicochemical simulation with a view to using carbonized periclase refractories under industrial conditions. Temperature ranges for stable existence of refractory phases and formulation ranges (for the gas phase) with allowance for different chemical homo- and heterophase interactions are determined. Effects of temperature, concentration, and pressure of pore gases (CO2, CO, CH4, H2O, H2, etc.) on the bulk material and effects of the carbon component, porosity, intrinsic and atmospheric moisture on gasification processes are considered in terms of a theoretical simulation model. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

State Parameters and Phase Transformations in Carbonized Periclase Refractories

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2004 by Plenum Publishing Corporation
Subject
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1023/B:REFR.0000029619.13819.e3
Publisher site
See Article on Publisher Site

Abstract

The effect of temperature and formulation (relative volumes of the gas phase) on phase and chemical transformations in the MgO – C – H2O – air system at 298 – 2400 K is considered using methods of thermodynamic and physicochemical simulation with a view to using carbonized periclase refractories under industrial conditions. Temperature ranges for stable existence of refractory phases and formulation ranges (for the gas phase) with allowance for different chemical homo- and heterophase interactions are determined. Effects of temperature, concentration, and pressure of pore gases (CO2, CO, CH4, H2O, H2, etc.) on the bulk material and effects of the carbon component, porosity, intrinsic and atmospheric moisture on gasification processes are considered in terms of a theoretical simulation model.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Sep 30, 2004

References

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