Abstract
In this study, novel chelating resins containing aminophosphonic acid groups grafted on poly(styrene-co-divinylbenzene) (1 % or 15 % DVB) were obtained by “one-pot” reactions. The phosphorus contents were determined in order to calculate the degree of functionalization with pendant aminophosphonic acid groups. The fraction of repetitive units functionalized with aminophosphonic acid groups was determined by accepting the statistical structure of the repetitive unit of initial and final copolymer. These materials were characterized by FT-IR spectroscopy, EDX, and TGA. Adsorption properties of aminophosphonic acids grafted on poly(styrene-co-divinylbenzene) were examined for the removal of Ni(II) ions from aqueous solutions using the batch equilibrium procedure. By applying the kinetic models to the experimental data it was found that the adsorption of Ni(II) on the studied chelating resins is described by the pseudo-second-order kinetic model. For all the studied systems, Langmuir isotherm model provided an excellent fit of the equilibrium adsorption data.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
