ICCAS OpenIR
Calorimetric investigation for exchange reaction of aluminum with Na-montmorillonite
Pan, JJ; Yang, GY; Zhao, Y; Han, BX; Yan, HK
1998-06-01
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume14Issue:6Pages:569-572
AbstractExchange enthalpies of aluminum with Na-montmorillonite suspension are determined at:303.15,K and pH=3, and 4, using: titration calorimetry and the exchange reaction mechanism are further studied by combining calorimetric results and exchange isotherm determined bi static method. The adsorption of aluminum on Na-montmorillonite is endothermic, and therefore exchange reaction is a process driven by entropy. S-l ay diffract ion patterns of montmorillonite. saturated by Na+ and Al3+ determined at wet and dry slate respectively. The results show:Al3+ adsorbed on the clay carl dramatically reduce the expansion of montmorillonite because Al3+ prevents osmotic swelling.
KeywordAluminum Montmorillonite Exchange Enthalpy Titration Calorimetry X-ray Diffraction
DOI10.3866/PKU.WHXB19980617
Indexed BySCI
Language英语
WOS IDWOS:000074858800017
PublisherPEKING UNIV PRESS
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74462
Collection中国科学院化学研究所
Corresponding AuthorYan, HK
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Pan, JJ,Yang, GY,Zhao, Y,et al. Calorimetric investigation for exchange reaction of aluminum with Na-montmorillonite[J]. ACTA PHYSICO-CHIMICA SINICA,1998,14(6):569-572.
APA Pan, JJ,Yang, GY,Zhao, Y,Han, BX,&Yan, HK.(1998).Calorimetric investigation for exchange reaction of aluminum with Na-montmorillonite.ACTA PHYSICO-CHIMICA SINICA,14(6),569-572.
MLA Pan, JJ,et al."Calorimetric investigation for exchange reaction of aluminum with Na-montmorillonite".ACTA PHYSICO-CHIMICA SINICA 14.6(1998):569-572.
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