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| Phase diagram of the NaCl-MgCl2-H2O system at 25-75A degrees C and its application for MgCl2 center dot 6H(2)O purification | |
Han, Haijun; Dong, Ouyang ; Li, Dongdong; Zeng, Dewen
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| 第一作者 | Han, Haijun |
| 2017-07 | |
| 发表期刊 | RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
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| ISSN | 0036-0244 |
| 卷号 | 91期号:7页码:1255-1259 |
| 关键词 | Phase Equilibria Purification Re-crystallization Magnesium Chloride Sodium Chloride |
| 摘要 | The co-saturation line for the solid phases NaCl(s) and MgCl2 center dot 6H(2)O((s)) in aqueous solution has been measured by a phase equilibrium at various temperatures. It was found that the Y (b) (Y (b) = w(NaCl)/(w(NaCl) + w(MgCl2))) value of the co-saturation line increase with increasing temperature. A new recrystallization approach has been suggested for the purification of MgCl2 center dot 6H(2)O((s)) containing quite amount of impurity NaCl, i.e., dissolving the crude sample at low temperatures, followed by evaporating and phase separating at high temperatures. Applying the proposed approach a crude MgCl2 center dot 6H(2)O((s)) sample can be purified to the level of Y (b) = 0.17% by only one crystallization process. |
| DOI | 10.1134/S0036024417070147 |
| 语种 | 英语 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.isl.ac.cn/handle/363002/6218 |
| 专题 | 青海盐湖研究所知识仓储 盐湖资源与化学实验室 |
| 推荐引用方式 GB/T 7714 | Han, Haijun,Dong, Ouyang,Li, Dongdong,et al. Phase diagram of the NaCl-MgCl2-H2O system at 25-75A degrees C and its application for MgCl2 center dot 6H(2)O purification[J]. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A,2017,91(7):1255-1259. |
| APA | Han, Haijun,Dong, Ouyang,Li, Dongdong,&Zeng, Dewen.(2017).Phase diagram of the NaCl-MgCl2-H2O system at 25-75A degrees C and its application for MgCl2 center dot 6H(2)O purification.RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A,91(7),1255-1259. |
| MLA | Han, Haijun,et al."Phase diagram of the NaCl-MgCl2-H2O system at 25-75A degrees C and its application for MgCl2 center dot 6H(2)O purification".RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 91.7(2017):1255-1259. |
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| Phase diagram of the（1951KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 | |
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