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Processes of the Phase Changes for LiCl, CaCl2 and NaCl-CaCl2 Aqueous Solutions at the Subzero-Temperature with X-ray Diffraction Method
Li Qing-Hai1,3; He Li2; Yao Yan1; Zhu Dong-Hai1,3; Li Bing1; Li Wu1
2010-10-10
发表期刊CHINESE JOURNAL OF INORGANIC CHEMISTRY
卷号26期号:10页码:1804-1809
文章类型Article
摘要The X-ray powder diffraction patterns of the solids of CaCl2-H2O, NaCl-CaCl2-H2O systems at different temperature (the temperature of each system was quickly lowered from 5 similar to-80 degrees C) were determined. For the CaCl2-H2O system, with the decrease of the temperature, ice or CaCl2 center dot 6H(2)O was precipitated at the temperature range of -10 similar to-60 degrees C. For the LiCl-H2O system, ice or LiCl center dot H2O was obtained as the solid phase at the temperature range of 5 similar to-80 degrees C. For CaCl2-NaCl-H2O system, CaCl2 center dot 6H(2)O or NaCl ice was precipitated at the temperature range of 5 similar to-40 degrees C. The XRD results of the CaCl2-H2O, LiCl-H2O and NaCl-CaCl2-H2O systems are consistent with the outcomes of the corresponding phase diagrams. According to the experimental results, we might deduce that the anhydrous salts were formed firstly, and the hydrated solids were obtained with the extension of the equilibrium time. This study provides a reliable method for determining the solid phases of the brine or oilfield water systems.
关键词X-ray Diffraction At subzero-temperAture Real-time Monitoring Oilfield Brines System Phase Change
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]CRYSTALS ; CRYOCRYSTALLOGRAPHY ; CRYSTALLIZATION ; BEHAVIOR
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Inorganic & Nuclear
WOS记录号WOS:000283571200013
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5960
专题青海盐湖研究所知识仓储
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Chinese Acad Sci, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Li Qing-Hai,He Li,Yao Yan,et al. Processes of the Phase Changes for LiCl, CaCl2 and NaCl-CaCl2 Aqueous Solutions at the Subzero-Temperature with X-ray Diffraction Method[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2010,26(10):1804-1809.
APA Li Qing-Hai,He Li,Yao Yan,Zhu Dong-Hai,Li Bing,&Li Wu.(2010).Processes of the Phase Changes for LiCl, CaCl2 and NaCl-CaCl2 Aqueous Solutions at the Subzero-Temperature with X-ray Diffraction Method.CHINESE JOURNAL OF INORGANIC CHEMISTRY,26(10),1804-1809.
MLA Li Qing-Hai,et al."Processes of the Phase Changes for LiCl, CaCl2 and NaCl-CaCl2 Aqueous Solutions at the Subzero-Temperature with X-ray Diffraction Method".CHINESE JOURNAL OF INORGANIC CHEMISTRY 26.10(2010):1804-1809.
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