| 钛胶海水提铀动力学研究Ⅰ——吸附活化能测定——一种直接用于天然海水的测定方法 |
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| 引用本文： | 陈松,廖文卓,许溪滨.钛胶海水提铀动力学研究Ⅰ——吸附活化能测定——一种直接用于天然海水的测定方法[J].海洋学报,1981,3(1):79-85. |
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| 作者姓名： | 陈松 廖文卓 许溪滨 |
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| 作者单位： | 国家海洋局第三海洋研究所 |
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| 摘 要： | 在反应动力学中,活化能是一种比较基本的数据,它可以用于确定过程的动力学特性,和研究过程的机制.因此,活化能的测定是动力学研究的一个重要方面.其测定方法通常是以过程的动力学方程为基础,测定不同温度下的反应速率,并根据Arrhenius方程式计算得出.
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| 收稿时间： | 1979/10/10 0:00:00 |
A KINETIC STUDY OF THE EXTRACTION OF URANIUM FROM SEA WATER BY TITANIC GEL I MEASUREMENT OF THE ACTIVATION ENERGY OF ADSORPTION——A METHOD DIRECTLY USED FOR NATURAL SEA WATER. |
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| Chen Song,Liao Wenzhuo and Xu Xiben.A KINETIC STUDY OF THE EXTRACTION OF URANIUM FROM SEA WATER BY TITANIC GEL I MEASUREMENT OF THE ACTIVATION ENERGY OF ADSORPTION——A METHOD DIRECTLY USED FOR NATURAL SEA WATER.[J].Acta Oceanologica Sinica (in Chinese),1981,3(1):79-85. |
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| Authors: | Chen Song Liao Wenzhuo and Xu Xiben |
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| Institution: | Third Institute of Oceanography, National Bureau of Oceanography |
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| Abstract: | Some previous works and our experimental data have shown that the adsorption process of Uranium on the titanic gel in sea water could be treated by using langmuir's theory of monolayer adsorption.A method for determining the activation energy of adsorption is proposed on the basis of this theory with some simplifying assumptions in connection with the characteristics of the adsorption process——low velocity of adsorption,long time to reach equilibrium,and low percentage extraction.By use of this method,the activation energy of uranium adsorbed on the titanic gel in the natural sea water has been determined and found to be about 10 kcal./mol. |
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