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Gas chromatographic thermodynamics on hydration processes of magnesium chloride with low water
Chen, JJ; Chen, GC; Ma, PH; Bao, JQ; Ma, YT; Chen, FQ
2003-04-01
发表期刊TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
卷号13期号:2页码:467-472
文章类型Article
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.
关键词Magnesium Chloride With Low Water Hydration Heat Adsorption Heat Differential Scanning Calorimetry Frontal Chromatography
WOS标题词Science & Technology ; Technology
收录类别SCI
语种英语
WOS研究方向Metallurgy & Metallurgical Engineering
WOS类目Metallurgy & Metallurgical Engineering
WOS记录号WOS:000182726000048
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6085
专题青海盐湖研究所知识仓储
作者单位1.Qinghai Univ, Coll Chem Engn, Xining 810016, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
3.Zhejiang Univ, Coll Chem Engn, Hangzhou 310027, Peoples R China
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GB/T 7714
Chen, JJ,Chen, GC,Ma, PH,et al. Gas chromatographic thermodynamics on hydration processes of magnesium chloride 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 magnesium chloride 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 magnesium chloride with low water".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 13.2(2003):467-472.
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