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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
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
Volume13Issue:2Pages:467-472
SubtypeArticle
AbstractThe 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.
KeywordMagnesium Chloride With Low Water Hydration Heat Adsorption Heat Differential Scanning Calorimetry Frontal Chromatography
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000182726000048
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6085
Collection青海盐湖研究所知识仓储
Affiliation1.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
Recommended Citation
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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