The particulate hydrous oxides of rare-earth RExOy· nH2O(RE=Ce,Nd,La,Pr)have been prepared using polyacrylonitrile as adhesive agent. They showed better fluorideremoving property. The adsorption mechanism in rela...The particulate hydrous oxides of rare-earth RExOy· nH2O(RE=Ce,Nd,La,Pr)have been prepared using polyacrylonitrile as adhesive agent. They showed better fluorideremoving property. The adsorption mechanism in relation with the pH value and temperatureof the solution have been discussed briefly.展开更多
文摘The particulate hydrous oxides of rare-earth RExOy· nH2O(RE=Ce,Nd,La,Pr)have been prepared using polyacrylonitrile as adhesive agent. They showed better fluorideremoving property. The adsorption mechanism in relation with the pH value and temperatureof the solution have been discussed briefly.
