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首页> 外文会议>Chemistry for the protection of the environment 3 >Effect of Concentration and Duration of ACID Treatment on Water Adsorpton and Titration Behavious of Smectite, Illite and Kaolin
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Effect of Concentration and Duration of ACID Treatment on Water Adsorpton and Titration Behavious of Smectite, Illite and Kaolin

机译：酸的浓度和持续时间对蒙脱石，伊利石和高岭土的水吸附和滴定行为的影响

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摘要

Three clay mierals: bentonite, illite and kaolin were treated with acid at different concentration and timel The changes of surface areas, water vapor adsorption energies, variable charge and apparent surface dissociation constants were observed depending on the kind of the mineral and acidification conditions. After acid treatment, the surface area increased for kaolin and illite, but decreased for smectite and the opposite tendency cocured for the adsorption energy. For all minerals the amount of variable charge increased and the apparent surface dissociation constant decreased indicating the decrease of the surface acidity strength.
机译：用酸在不同的浓度和时间处理三种粘土矿物：膨润土，伊利石和高岭土。根据矿物的种类和酸化条件，观察到了表面积，水蒸气吸附能，可变电荷和表观解离常数的变化。酸处理后，高岭土和伊利石的表面积增加，而蒙脱石的表面积减少，并且吸附能的趋势相反。对于所有矿物，可变电荷量增加，表观表面离解常数降低，表明表面酸性强度降低。

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