Abstract
Oak Ridge National Laboratory, in collaboration with Minteq International, Inc., Missouri University of Science and Technology and refractory end users, has developed novel refractory systems and techniques to reduce energy consumption of refractory lined vessels. The objective of this U.S. DOE funded project was to address the need for innovative refractory compositions by developing MgO-Al2O3 spinel gunnable refractory compositions utilizing new aggregate materials, bond systems, protective coatings, and phase formation techniques. Materials have been developed specifically for coal gasification environments and work has been performed to develop and apply low cost coatings using a colloidal approach for protection against attack of the refractory brick by the service environment and to develop a light-weight back-up refractory system to help offset the high thermal conductivity inherent in spinel materials. This paper discusses the systematic development of these materials, laboratory testing and evaluation of these materials, and relevant results achieved toward the reduction of chemical reactions and mechanical degradation by the service environment though compositional and processing modifications.
Recommended Citation
J. G. Hemrick et al., "Spinel-Based Refractories for Improved Performance in Coal Gasification Environments," Proceedings of the Unified International Technical Conference on Refractories, UNITECR 2013, pp. 1211 - 1216, Wiley, Jan 2014.
The definitive version is available at https://doi.org/10.1002/9781118837009.ch205
Department(s)
Materials Science and Engineering
Publication Status
Full Access
International Standard Book Number (ISBN)
978-111883703-0
Document Type
Article - Conference proceedings
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2024 Wiley, All rights reserved.
Publication Date
01 Jan 2014
