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Scavenging behaviour of meranti sawdust in the removal of methylene blue from aqueous solution.
J Hazard Mater. 2009 Oct 15; 170(1):357-65.JH

Abstract

Meranti (Philippine mahogany) sawdust, an inexpensive material, showed strong scavenging behaviour through adsorption for the removal of methylene blue (MB) from aqueous solution. Batch studies were performed to evaluate and optimize the effects of various parameters such as contact time, pH, initial dye concentrations and adsorbent dosage. Langmuir, Freundlich and Temkin isotherms were used to analyze the equilibrium data at different temperatures. The experimental data fitted well with the Langmuir adsorption isotherm, indicating thereby the mono layer adsorption of the dye. The monolayer sorption capacity of meranti sawdust for MB was found to be 120.48, 117.64, 149.25 and 158.73 mg/g at 30, 40, 50 and 60 degrees C, respectively. Thermodynamic calculations showed that the MB adsorption process is endothermic and spontaneous in nature. Kinetic studies showed that the adsorption followed a pseudo-second-order kinetic model. The results indicated that the meranti sawdust could be an alternative material in place of more costly adsorbents used for dye removal.

Authors+Show Affiliations

Environmental Technology Division, School of Industrial Technology, Universiti Sains Malaysia, 11800 Penang, Malaysia. aneesahmad_ana@yahoo.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19464117

Citation

Ahmad, A, et al. "Scavenging Behaviour of Meranti Sawdust in the Removal of Methylene Blue From Aqueous Solution." Journal of Hazardous Materials, vol. 170, no. 1, 2009, pp. 357-65.
Ahmad A, Rafatullah M, Sulaiman O, et al. Scavenging behaviour of meranti sawdust in the removal of methylene blue from aqueous solution. J Hazard Mater. 2009;170(1):357-65.
Ahmad, A., Rafatullah, M., Sulaiman, O., Ibrahim, M. H., & Hashim, R. (2009). Scavenging behaviour of meranti sawdust in the removal of methylene blue from aqueous solution. Journal of Hazardous Materials, 170(1), 357-65. https://doi.org/10.1016/j.jhazmat.2009.04.087
Ahmad A, et al. Scavenging Behaviour of Meranti Sawdust in the Removal of Methylene Blue From Aqueous Solution. J Hazard Mater. 2009 Oct 15;170(1):357-65. PubMed PMID: 19464117.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Scavenging behaviour of meranti sawdust in the removal of methylene blue from aqueous solution. AU - Ahmad,A, AU - Rafatullah,M, AU - Sulaiman,O, AU - Ibrahim,M H, AU - Hashim,R, Y1 - 2009/05/04/ PY - 2009/02/06/received PY - 2009/04/08/revised PY - 2009/04/21/accepted PY - 2009/5/26/entrez PY - 2009/5/26/pubmed PY - 2009/10/6/medline SP - 357 EP - 65 JF - Journal of hazardous materials JO - J Hazard Mater VL - 170 IS - 1 N2 - Meranti (Philippine mahogany) sawdust, an inexpensive material, showed strong scavenging behaviour through adsorption for the removal of methylene blue (MB) from aqueous solution. Batch studies were performed to evaluate and optimize the effects of various parameters such as contact time, pH, initial dye concentrations and adsorbent dosage. Langmuir, Freundlich and Temkin isotherms were used to analyze the equilibrium data at different temperatures. The experimental data fitted well with the Langmuir adsorption isotherm, indicating thereby the mono layer adsorption of the dye. The monolayer sorption capacity of meranti sawdust for MB was found to be 120.48, 117.64, 149.25 and 158.73 mg/g at 30, 40, 50 and 60 degrees C, respectively. Thermodynamic calculations showed that the MB adsorption process is endothermic and spontaneous in nature. Kinetic studies showed that the adsorption followed a pseudo-second-order kinetic model. The results indicated that the meranti sawdust could be an alternative material in place of more costly adsorbents used for dye removal. SN - 1873-3336 UR - https://www.unboundmedicine.com/medline/citation/19464117/Scavenging_behaviour_of_meranti_sawdust_in_the_removal_of_methylene_blue_from_aqueous_solution_ DB - PRIME DP - Unbound Medicine ER -