Abstract
Natural loofah sponge is a low cost adsorbent, but its adsorption property needs to be improved. A grafted copolymer of poly(acrylonitrile-g-loofah) [poly(AN-g-loofah)] was prepared using cericammonium nitrate (CAN) as initiator. The poly(AN-g-loofah) was further functionalized into a amidoxime-modified poly(AN-g-loofah), which was characterized through FT-IR, X-ray diffraction, and thermogravimetric analysis. The adsorption capacity of amidoxime-modified poly(AN-g-loofah) was investigated under different adsorption conditions. Amidoxime-modified poly(AN-g-loofah) with approximately 70% conversion of the nitrile group could adsorb 51.40mg/g Cu2+, which is more than two times higher than that obtained by previous studies. The modified Langmuir isotherm model and pseudo-second-order model fitted well with the Cu2+ adsorption data. A good adsorption amount of Cu2+ was obtained after five adsorption–deadsorption cycles. Hence, amidoxime-modified poly(AN-g-loofah) could be used as a novel substance for waste water treatment in industrial level.
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.
