Fibers nut activated charcoal has been used as an adsorbent to remove cadmium (Cd2+) and lead (Pb2+) ions in solution; The activated charcoal of fibers nut was made by carbonization at 400oC for ± 2 hours and chemical ...

Pesticide is not only used to control pest and plant deseases, but its residue will also give negative influence. Pesticide residues were analyzed by Gas Chromatography with FPD detector. The results showed that the residue ...

Discovery of natural resources such as gold in Kuantan Singingi Riau province increased the gold mining in the watershed singingi which break the balance of ecosystem. Accumulation of Cd causes kidney disfunction and cause ...

The aim of this research was to determine the optimum ability of activated char of bamboo (Dendrocalamus asper) with variations concentration of Na2CO3 (2.5%, 5% and 7.5%) to adsorp Mn(II) (SNI 6989.16-2009) and nitrate ...

Pine cone activated carbon has been used as an adsorbent to remove cadmium ions (II) and lead (II) in solution; it was made from carbonization and activation process using H2SO4 with variation concentration of 2.5, 5.0 ...

Orange peel was investigated as adsorbent in activated carbon with variation of sodium hydroxide concentration (2.5%, 5%, and 7.5%) . The characterization result showed that activated carbon of orange peel with 7,5% sodium ...