The research adsorption of Zn2+ ion with using activated carbon from gelam wood has been done. Optimum condition of adsorption was determined by variating is particle size (60, 80, 100 and 140 mesh…
Conversion of cellulose and glucose to levulinic acid using oxotrinuclear [Cr30(00CC6H5)6(H20)](N03) and [Cr30(00CC2H5)6(H20)](N03) as catalyst at 80 °C in water as medium has been carried out. Th…