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Solubility of CaS in Molten CaCl2

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Title: Solubility of CaS in Molten CaCl2
Authors: Matsuzaki, Takahiro Browse this author
Suzuki, Ryosuke O. Browse this author →KAKEN DB
Natsui, Shungo Browse this author
Kikuchi, Tatsuya Browse this author →KAKEN DB
Ueda, Mikito Browse this author →KAKEN DB
Keywords: solubility
CaCl2-Cas binary system
molten calcium chloride
sulfur concentration
equilibrium phase diagram
Issue Date: 1-Mar-2019
Publisher: The Japan Institute of Metals and Materials
Volume: 60
Issue: 3
Start Page: 386
End Page: 390
Publisher DOI: 10.2320/matertrans.MA201803
Abstract: In order to check the solubility of CaS during sulfide reduction in molten CaCl2, the mixture of CaCl2 and a small amount of CaS was melted in Ar at the range from 1123 K to 1223 K. The melt was sampled by quartz tube and rapidly solidified. The solidified samples showed a lamella structure with CaS particles, which results in a simple eutectic reaction between CaCl2 and CaS. Using ICP-AES analysis, the saturation of CaS was found to be completed within 1.8 ks, and 1.77 ± 0.1 mol%CaS at 1173 K was measured as the solubility limit at the initial composition of 3.0 mol%CaS. A tentative phase diagram of CaCl2–CaS binary system was proposed based on the solubility analysis in these temperatures and eutectic structure.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鈴木 亮輔

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