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Citation: Ai Hong-Tao, Chen Song, Tao Zu-Yi, Lin Zi-Huang. Theory of Kinetics and Equilibrium of Ion Exchange-Adsorption and Mechanism of Extracting Uranium From Sea-Water with Titanic Gel[J]. Acta Physico-Chimica Sinica, ;1989, 5(01): 81-86. doi: 10.3866/PKU.WHXB19890117 shu

Theory of Kinetics and Equilibrium of Ion Exchange-Adsorption and Mechanism of Extracting Uranium From Sea-Water with Titanic Gel

1.
Zhengzhou Food Institute; National Bureau of Oceanography; Lanzhou University; The Attached Middle School of Beijing University

Received Date: 27 July 1987
Available Online: 15 February 1989

An isothermal equation for ion exchange-adsorption is derived by mass action law. The equation can be used to sum up empirical and semiempirical formnlas of exchangeadsorption, such as Gapon Equation, Sips Formula, Langmuir Equation and Freundlich Formula.
In this paper, by adopting the ion exchange reaction to act as the determining step of the ion exchange adsorption kinetics, an exchange-adsorption kinetics equation is derived. It is verified by the results of a series of experiments in which uranium is extracted form enriched sea-water and natural sea-water with hydrous titanium oxide (titanic gel). This equation can be used to explain not only the results of tests which have been applied to prove fast....
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