Efisiensi Penyerapan Ion Logam Cu(II) Menggunakan Karbon Aktif Dari Limbah Sagu

Rauzah Tarisma, Balkis Fitria, Abrar Muslim, Edi Munawar

Abstract


Cu is a toxic heavy metal that is harmful to humans and the environment. Therefore, it is required a technology to reduce the contamination of Cu(II) metal that is in the water. One leading technology used in overcoming this problem is the utilization of adsorbents from sago waste (Metroxylon sago) to adsorb heavy metals using physical and chemical-activated carbon. Parameters analyzed to see adsorption performance which are equilibrium time and activator concentration variation. Adsorbent used on this process is the pyroliysed sago waste at temperature of 450 oC and activated with a 0.2; 0.4 and 0.6 M NaOH activator. The concentration of Cu(II) solution used was 592.6 and contact time 0, 5, 10, 15, 20, 25 and 30 minutes. Initial concentrations of Cu metals before and after adsorption were analyzed using AAS. The result showed that maximum adsorption efficiency of the adsorbent was 71,99 mg/g of activated sago waste using NaOH 0,6 M, temperature 30˚C. The higher initial concentrations, the bigger adsorption efficiency of Cu metals. 


Keywords


Cu(II) ion metal; sago waste; active carbon; adsorption

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References


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