1. Enzymatic synthesis of sucrose polyester as food emulsifier compound 2. Photocatalytic decolorization of acid red 4 azo dye by using immobilized TiO2 microparticle and nanoparticle catalysts 3. the effect of alkaline tretment to the stuctural of ZSM5 zeolites 4. Adsorption of waste metal Cr (VI) with composite membranes (chitosan-silica rice husks) 5. Investigation on the synergistic com…