Abstract
Brine, which is used to produce high-purity magnesia, was purified by XSC-700 to remove boron. Boron adsorption capacity of XSC-700 was investigated by varying the initial boron concentration, temperature, resin/brine ratio and stirring speed, while keeping the diameter at constant. The results show that boron adsorption capacity increases with increasing boron concentration, temperature, and decreases with increasing resin/brine ratio. And the stirring speed could slightly affect the boron adsorption capacity. The adsorption kinetics obeys the pseudo-second-order model. Equilibrium data were both examined by Freundlich and Langmuir isotherm equations and it can be well represented by the Freundlich isotherm equation.
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