The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The objective of the present study is to evaluate the boron removal performance of two selective resins: N-methyl-d-glucamine modified poly(styrene) based polymer (VBC–NMG) and the iminodipropylene glycol functionalized polymer (GMA–PVC). The effect of contact time on adsorption capacity was investigated in batch scale experiments. The adsorption kinetic data were fitted well with the pseudo-second-order model. Fixed bed column experiments were conducted at different flow rates. The breakthrough profile of VBC–NMG resin was found sharper than that of GMA–PVC. Column data were described using the Thomas and Yoon–Nelson models. The breakthrough curve prediction by the Thomas model was found to be very satisfactory for both resins. Applicability of selective resins to real wastewater obtained from mining industry was examined. The residual boron concentration in solution was reduced from 545 to less than 0.5mg/L by the combination of precipitation–adsorption processes. Novel boron selective resins seem promising for practical uses as they could be used for more than eight cycles of recycling without any significant change in adsorption capacity.