La2O3/Bi2O3 photocatalysts were prepared by impregnation of Bi2O3 with an aqueous solu-tion of lanthanum precursor followed by calcination at different temperat
A series of novel adsorbents composed of cellulose(CL)with Ca/Al layered double hydroxide(CCxA;where x represent the Ca/Al molar ratio)were prepared for the ads