Phase equilibrium study of ZnO-“FeO”-SiO2 System at Fixed Po2 10−8 atm

Hongquan Liu, Zhixiang Cui, Mao Chen and Baojun Zhao (2015) Phase equilibrium study of ZnO-“FeO”-SiO2 System at Fixed Po2 10−8 atm. Metallurgical and Materials Transactions B, 47 1: 164-173. doi:10.1007/s11663-015-0480-1

Author Hongquan Liu
Zhixiang Cui
Mao Chen
Baojun Zhao
Title Phase equilibrium study of ZnO-“FeO”-SiO2 System at Fixed Po2 10−8 atm
Formatted title
Phase equilibrium study of ZnO-“FeO”-SiO2 system at fixed Po2 10−8 atm
Journal name Metallurgical and Materials Transactions B   Check publisher's open access policy
ISSN 1073-5615
Publication date 2015-10-20
Sub-type Article (original research)
DOI 10.1007/s11663-015-0480-1
Open Access Status Not Open Access
Volume 47
Issue 1
Start page 164
End page 173
Total pages 10
Place of publication New York, NY, United States
Publisher Springer New York
Collection year 2016
Language eng
Formatted abstract
Experimental studies of phase equilibria and liquidus temperatures have been carried out in the systems “FeO”-SiO2 and ZnO-“FeO”-SiO2 at Po2 10−8 atm. Research techniques have been developed to enable the ZnO-containing system to be investigated under reducing conditions controlled by CO-CO2 gas mixture. The experimental approach includes master slag preparation, high-temperature equilibration, quench, and electron probe X-ray microanalysis (EPMA). Phase compositions in the quenched samples were measured by EPMA and used for construction of phase diagram. It was found that the isotherms of the system ZnO-“FeO”-SiO2 at Po2 10−8 atm are significantly different from those in equilibrium with metallic iron and those predicted by FactSage. The presence of ZnO in copper smelting slag significantly increases the liquidus temperature in spinel primary phase field. Partitioning of ZnO in liquid and spinel is also discussed in this paper.
Q-Index Code CX
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemical Engineering Publications
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Created: Thu, 03 Dec 2015, 10:10:37 EST by Mr Mao Chen on behalf of School of Chemical Engineering