An anion exchange resin NDP-5 has been prepared successfully and applied on the selective removal of nitrate from SO_4^(2-)/ NO_3^- binary co-existence system.The composition and morphology of NDP-5 were confirmed b...An anion exchange resin NDP-5 has been prepared successfully and applied on the selective removal of nitrate from SO_4^(2-)/ NO_3^- binary co-existence system.The composition and morphology of NDP-5 were confirmed by FT-IR and SEM.The NDP-5 resin exhibits the completely different behavior on the adsorption capacity,adsorption kinetic and the effect of the completing anion in the absence or presence of sulfate,compared to D213.And,the resultants of kinetic are well fitted by the pseudo-first-order and pseudo-second-order models.These results are very important to develop novel resins with great features.展开更多
基金acknowledge generous suppoa provided by Program for Changjiang Scholars Innovative Research Team in UniversityNSFC(Nos50938004,50825802 and 51178215)+1 种基金Jiangsu Natural Science Fund(Nos BK2010006 and BK201 1032)P.R. Chinathe Scientific Research Starting Fund for Postdoctors,Nanjing University(No0211003046)
文摘An anion exchange resin NDP-5 has been prepared successfully and applied on the selective removal of nitrate from SO_4^(2-)/ NO_3^- binary co-existence system.The composition and morphology of NDP-5 were confirmed by FT-IR and SEM.The NDP-5 resin exhibits the completely different behavior on the adsorption capacity,adsorption kinetic and the effect of the completing anion in the absence or presence of sulfate,compared to D213.And,the resultants of kinetic are well fitted by the pseudo-first-order and pseudo-second-order models.These results are very important to develop novel resins with great features.