Potensi Arang Aktif Dari Kulit Jeruk Medan (Citrus Sinensis (L.)Osbeck) Sebag…

SUMMARY Orange peels contain organic compound like cellulose, hemicelluloses, lignin and pectin, so it make orange peels have ability to be adsorbent. Purposes of this research were to know about optimum concentration of NaOH as activator and to obtaine characteristics and their ability for adsorption of lead (II) and cadmium (II) solutions. Sample of orange peel activated carbon were char…