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Gas chromatographic thermodynamics on hydration processes of magnesiumchloride with low water
Chen, JJ; Chen, GC; Ma, PH; Bao, JQ; Ma, YT; Chen, FQ
2003
发表期刊TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
卷号13期号:2页码:467-472
摘要The dehydration and hydration processes of magnesium chloride hydrates were studied by means of frontal chromatography analysis, calorimetry, thermogravimetry and chemical analysis. The mathematical imitation for the adsorption isotherms of MgCl2 . 4H(2)O and MgCl2 . 2H(2)O at different temperatures indicates that Boltzmann Function is the ideal equation to describe those adsorption isotherms. Its adsorption heat is -13.06 kJ/mol and -16.11 kJ/mol, respectively. The adsorption equilibrium constants are also given. From the data obtained, there is a thermodynamical possibility to use partial dehydrated magnesium chloride hydrates as an absorbance to clean water vapor contained in bischophite dehydration equipment and let the protection gas HCl recycle in the fluid bed reaction system. The dehydration and hydration processes of magnesium chloride hydrates were studied by means of frontal chromatography analysis, calorimetry, thermogravimetry and chemical analysis. The mathematical imitation for the adsorption isotherms of MgCl2 . 4H(2)O and MgCl2 . 2H(2)O at different temperatures indicates that Boltzmann Function is the ideal equation to describe those adsorption isotherms. Its adsorption heat is -13.06 kJ/mol and -16.11 kJ/mol, respectively. The adsorption equilibrium constants are also given. From the data obtained, there is a thermodynamical possibility to use partial dehydrated magnesium chloride hydrates as an absorbance to clean water vapor contained in bischophite dehydration equipment and let the protection gas HCl recycle in the fluid bed reaction system.
收录类别SCI
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/2353
专题青海盐湖研究所知识仓储
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GB/T 7714
Chen, JJ,Chen, GC,Ma, PH,et al. Gas chromatographic thermodynamics on hydration processes of magnesiumchloride with low water[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2003,13(2):467-472.
APA Chen, JJ,Chen, GC,Ma, PH,Bao, JQ,Ma, YT,&Chen, FQ.(2003).Gas chromatographic thermodynamics on hydration processes of magnesiumchloride with low water.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,13(2),467-472.
MLA Chen, JJ,et al."Gas chromatographic thermodynamics on hydration processes of magnesiumchloride with low water".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 13.2(2003):467-472.
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