Removal Behavior of Cobalt from Aqueous Solutions by a Sodium-Modified Zeolitic Tuff
2015
Solache-Ríos, M. | Olguín, M. T. | Martínez-Miranda, V. | Ramírez-García, J. | Zárate-Montoya, N.
The sorption behavior of cobalt by a sodium-modified zeolite-rich tuff was investigated using cobalt solutions prepared with water from the cooling system of a nuclear reactor. The sorption kinetics shows that the equilibrium was reached in less than 20 h. The isotherms showed that the sorption capacity of the sodium-modified zeolite-rich tuff for cobalt was 20.73 mg/g at 60 °C. The pH affects the sorption capacity of the sodium-modified zeolite-rich tuff for cobalt. The sorption capacity of the sodium-modified zeolite-rich tuff for cobalt was higher using nuclear purity water than water from other aqueous matrices.
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