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Global Geology 2013, 16(2) 88-93 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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CHAI Mao1, LI Chunxiao2, JIANG Wei3 and DU Fengzhi4 |
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Effect of cations on thermal properties of montmorillonite |
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CHAI Mao1, LI Chunxiao2, JIANG Wei3 and DU Fengzhi4 |
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1�� College of Geo-Exploration Science and Technology��Jilin University��Changchun 130026��China; 2�� Hydrogeology Investigation Institute of Jilin Province��Changchun 130021��China; 3�� The First Geological Survey of Jilin Province��Changchun 130022��China; 4�� Regional Survey of Geology �� Mineral Resources��Jilin Province��Changchun 130022��China |
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Abstract:
Based on comparison and analysis on structural cations of montmorillonite in bentonite samples collected from several typical areas in Jilin Province��relationships among type and quantity of interlayer /tetrahedral /octahedral cations and temperature and activation energy of removal of bound and hydroxyl water were investigated�� The results show that the interlayer cations not only play decisive roles on removal temperature of bound water��but also influence dehydroxylation temperature and activation energy of montmorillonite�� Type of octahedral cations also has an effect on dehydroxylation process�� |
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Keywords:
montmorillonite
cation
interlayer water
structural water
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