Phase Equilibria, Phase Diagrams and Phase Transformations

Thermodynamic modeling of phase equilibria in a liquid metal of Fe–La–Ce–O system at 1600 °С, using the technique of constructing the solubility surfaces for the components of a metal, was carried out. The calculation technique allowed assessing the depth of liquid iron de-oxidation at a complex use of lanthanum and cerium as deoxidizing agents. Also, diagrams of de-oxidants’ consumption for one ton of liquid oxygen-containing iron were calculated in the course of the work. Carrying out a calculation of the solubility surfaces for the components of a metal required simulation of phase diagrams of the following oxide systems: FeO–La2O3–Ce2O3, FeO–CeO2–La2O3, CeO2–La2O3–Ce2O3. The obtained results might be of interest for optimization of the use of rare-earth metals in steelmaking technology.

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Phase Chemistry and Thermal Chemistry on the Calcium-Containing Brine Systems

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.1015.405 ◽

2014 ◽

Vol 1015 ◽

pp. 405-408

Author(s):

Bai Hui Bu ◽

Fei Li ◽

Ya Fei Guo ◽

Shi Qiang Wang ◽

Tian Long Deng

Keyword(s):

Phase Equilibria ◽

Phase Diagrams ◽

Salt Lake ◽

Comprehensive Utilization ◽

Thermal Chemistry ◽

The World ◽

The Future ◽

Phase Chemistry

It is well known that phase equilibria and phase diagrams can successfully guide the comprehensive utilization of the salt lake resources. The researches on phase chemistry and thermal chemistry of the calcium-containing brine system are essential to promote the development of brines. In this paper, the progresses on the phase chemistry and thermal chemistry of the calcium-containing brine system around the world from 2007 up to now were summarized. The problems existed and the new trends in the future were also carried out.

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Phase Equilibria, Phase Diagrams and Phase Transformations

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Phase Equilibria in a Liquid Metal of Fe-La-Ce-O System at 1600 °С

Phase Chemistry and Thermal Chemistry on the Calcium-Containing Brine Systems

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