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Please use this identifier to cite or link to this item:
http://hdl.handle.net/123456789/19597
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| Title: | Adsorption of heavy metals solution on commercial activated carbon adsorbent: Batch studies |
| Authors: | Mohd Nazri, Shamsudin |
| Advisors: | Masitah Hasan |
| Keywords: | Commercial activated carbon
Batch experiments
Adsorption activated carbon
Aqueous solution
Industrial wastewater |
| Issue Date: | Apr-2011 |
| Publisher: | Universiti Malaysia Perlis (UniMAP) |
| Department: | School of Environmental Engineering |
| Abstract: | The ability of commercial activated carbon to adsorb Pb2+ from aqueous solution has been
investigated through batch experiments. The adsorption of lead onto commercial activated
carbon has been found to depend on adsorbent dose, initial concentration and contact time. The
experiments were carried out at natural solution pH. Equilibrium data fitted well with the
Langmuir model and Freundlich model with a maximum adsorption capacity of 23.81 mg of
Pb/g of commercial activated carbon. The experiments showed that the highest removal rate was
92.42% for Pb2+ under optimal conditions. The sorption of Pb2+ on commercial activated carbon
was rapid during the first 30 min and the equilibrium attained within 60 min. The kinetic
processes of Pb2+ adsorption on commercial activated carbon were described by applying
pseudo-first-order and pseudo-second-order kinetic models. The kinetic data for the adsorption
process obeyed a pseudo-second-order kinetic model, suggesting that the adsorption process is
chemisorption. The commercial activated carbon investigated in this study showed good
potential for the removal of Pb2+ from aqueous solution. |
| Description: | Access is limited to UniMAP community. |
| URI: | http://hdl.handle.net/123456789/19597 |
| Appears in Collections: | School of Environmental Engineering (FYP)
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