The Reaction between Alkali Vapor and the Theoretical Composition MgAl2O4

Ya Qin Liu; Yong Li; Shan Shan Hong; Guo Dong Ma; Yuan Gao; Bin Li; Ru Liang Wen; Zhi Ming Qian; Jing Heng Huang

doi:10.4028/www.scientific.net/AMR.503-504.477

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 503-504The Reaction between Alkali Vapor and the...

The Reaction between Alkali Vapor and the Theoretical Composition MgAl₂O₄

Abstract:

The theoretical composition was made from MgO-rich MgAl2O4 (MR66) and alumina powder. The static crucible method was used to study alkali-resistance of the block samples. It has been observed that alkali steam permeated into the hole and reacted with corundum particles that produced β-Al2O3 by means of XRD, SEM and EDS. It led to volume expansion, cracks and melting erosion of corundum particles. The specimen of the 32% content of MgO has good physical and chemical properties and excellent alkali erosion performance. So the specimen is suitable for oxy-fuel combustion for glass melting furnace.

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Periodical:

Advanced Materials Research (Volumes 503-504)

Pages:

477-481

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.503-504.477

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Online since:

April 2012

Authors:

Ya Qin Liu, Yong Li, Shan Shan Hong, Guo Dong Ma, Yuan Gao, Bin Li, Ru Liang Wen, Zhi Ming Qian, Jing Heng Huang

Keywords:

Alkali Erosion, MgAl₂O₄, Oxy-Fuel Combustion

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