Sorption of Cd(II) and Pb(II) ions onto Shorea acuminata sawdust: Isotherm, kinetics and sorption mechanism studies

  • Azlan Kamari
  • Wan Saime Wan Ngah
  • Ramli Ibrahim
  • Norhayati Hashim
  • Illyas Md Isa
  • Azmi Mohamed
Keywords: sorption, sawdust, isotherm, kinetics, sorption mechanism

Abstract

The potential of Shorea acuminata (also known as Dark Red Meranti) sawdust as a sorbent to clean-up metal contaminated water was investigated in a batch sorption system. Its efficacy was evaluated at different pH, contact time and initial metal concentration. Equilibrium isotherm data were best described using the Langmuir isotherm model, while the kinetics followed the pseudo-second-order model. The maximum sorption capacity (Q) of Dark Red Meranti sawdust, estimated from the Langmuir equation were 94 and 328 mg/g for Cd(II) and Pb(II), respectively. FTIR analysis confirmed that O- and N-containing functional groups are the main sorption sites in Dark Red Meranti sawdust.

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Published
2019-01-19
How to Cite
Kamari, A., Wan Ngah, W. S., Ibrahim, R., Hashim, N., Md Isa, I., & Mohamed, A. (2019). Sorption of Cd(II) and Pb(II) ions onto Shorea acuminata sawdust: Isotherm, kinetics and sorption mechanism studies. Journal of Science and Mathematics Letters, 4(1), 32-42. Retrieved from https://ejournal.upsi.edu.my/index.php/JSML/article/view/362

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