In this section, you can access to the latest technical information related to the FUTURE project topic.

Phase equilibria of CaO-SiO2-Gd2O3 system and the feasibility of rare-earth recovery

Phase equilibria of the CaO-Gd2O3-SiO2 slag system at 1773?K and 1873?K were investigated by characterizing equilibrated samples with electron probe microanalysis (EPMA). Four three-phase equilibria and five two-phase equilibria are formed in the CaO-Gd2O3-SiO2 ternary system at 1773?K in argon atmosphere. While three three-phase equilibria, six two-phase equilibria and one liquid phase are presented in the system at 1873?K. The isothermal section of the phase diagram is thereafter constructed based on the experimental results. The feasibility of the rare earth recovery is also discussed based on the phase relations.

» Author: Wenke Zhi, Fei Wang, Hongwei Yang, Bin Yang, Yang Tian, Yong Deng, Tao Qu

» Reference: 10.1016/j.ceramint.2018.06.006

» Publication Date: 01/09/2018

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