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The reaction of MgCl2 center dot 4H(2)O with CCl2F2
Long, GM; Ma, PH
2003-07-28
发表期刊THERMOCHIMICA ACTA
卷号403期号:2页码:231-235
文章类型Article
摘要A new reaction Of MgCl2.4H(2)O with CCl2F2 is investigated by DTA and TG from room temperature to 350degreesC. It is observed that MgF2 was obtained between 252 and 350degreesC, Below the temperature, MgCl2.4H(2)O dehydrates and hydrolyzes to MgCl2 and Mg(OH)Cl, which are the real reactants of the reaction with CCl2F2. The formation of MgF2 is ascribed to the reaction of MgCl2 and Mg(OH)Cl with HF, which forms by decomposition Of CCl2F2 with the taking part in of H2O released from dehydration of hydrated magnesium chloride on the surface Of MgCl2 and Mg(OH)Cl, which catalyzes the decomposition Of CCl2F2 in this case. Consequently, the reactions are tested in the fluid-bed condition. It is found that MgF2 formed at temperatures down to 200degreesC in a fluid-bed reactor. This reaction may be used as a method of disposing of the environmentally sensitive CCl2F2 (rather than release into the atmosphere). It is also a method for the preparation of MgF2. (C) 2003 Published by Elsevier Science B.V.
关键词Mgf2 Mgcl2 Center Dot 4h(2)o Ccl2f2 Catalytic Decomposition Thermal Analysis Fluid-bed
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]DECOMPOSITION ; DICHLORODIFLUOROMETHANE ; CATALYST
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Analytical ; Chemistry, Physical
WOS记录号WOS:000184536200010
引用统计
被引频次:1[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/363002/6115
专题青海盐湖研究所知识仓储
作者单位Chinese Acad Sci, Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
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Long, GM,Ma, PH. The reaction of MgCl2 center dot 4H(2)O with CCl2F2[J]. THERMOCHIMICA ACTA,2003,403(2):231-235.
APA Long, GM,&Ma, PH.(2003).The reaction of MgCl2 center dot 4H(2)O with CCl2F2.THERMOCHIMICA ACTA,403(2),231-235.
MLA Long, GM,et al."The reaction of MgCl2 center dot 4H(2)O with CCl2F2".THERMOCHIMICA ACTA 403.2(2003):231-235.
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