International journal of

ADVANCED AND APPLIED SCIENCES

EISSN: 2313-3724, Print ISSN:2313-626X

Frequency: 12
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 Volume 4, Issue 12 (December 2017), Pages: 89-93

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 Original Research Paper

 Title: Adsorption kinetics and isotherm of methylene blue by thermally treated alum-based water treatment plant sludge

 Author(s):  Soleha Mohamat Yusuff 1, Ong Keat Khim 2, *, Wan Md Zin Wan Yunus 3, A. Fitrianto 4, M. B. Ahmad 5, N. A. Ibrahim 5, Mohd Junaedy Osman 2, Teoh Chin Chuang 6

 Affiliation(s):

 1Department of Defence Science, Faculty of Defence Science and Technology, Universiti Pertahanan Nasional Malaysia, Kem Sungai Besi, 57000, Kuala Lumpur, Malaysia
 2Department of Chemistry and Biology, Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Kem Sungai Besi, 57000, Kuala Lumpur, Malaysia
 3Department of Science and Technology Defense, Universiti Pertahanan Nasional Malaysia, Kem Sungai Besi, Sungai Besi, 57000, Kuala Lumpur, Malaysia
 4Department of Mathematics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
 5Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
 6Engineering Research Centre, Malaysian Agricultural Research and Development Institute Headquarter, G. P.O. Box 12301, 50774 Kuala Lumpur, Malaysia

 https://doi.org/10.21833/ijaas.2017.012.018

 Full Text - PDF          XML

 Abstract:

This paper describes the sorption kinetic and isotherm of methylene blue (MB) by thermally treated alum sludge (TAS) at the laboratory scale. Kinetics study was conducted by varying initial concentrations of MB (50, 150 and 250 mg/L) and contact time (30, 60, 120 and 180 min) whereas adsorption isotherm was investigated at various initial concentrations (10, 50, 100, 200, 300 and 400 mg/L) at constant temperature (25oC), contact time and agitation speed. Lagergren, Ho and Mckay and intra-particle diffusion kinetics modes were applied to the experimental data while the adsorption isotherms are described by Langmuir and Freundlich and Temkin isotherm models. The results showed that sorption kinetics and isotherm of MB were best described by Ho and Mckay kinetics model and Langmuir isotherm model, respectively. The maximum adsorption capacity (qm) obtained from Langmuir plot was 25.445 mg/g. It can be concluded the adsorption of MB by TAS is monolayer adsorption. 

 © 2017 The Authors. Published by IASE.

 This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

 Keywords: Alum-based water treatment plant, sludge, Kinetics, Isotherm, Thermally treated, Sorption, Methylene blue

 Article History: Received 28 February 2017, Received in revised form 10 September 2017, Accepted 15 October 2017

 Digital Object Identifier: 

 https://doi.org/10.21833/ijaas.2017.012.018

 Citation:

 Yusuff SM, Khim OK, Yunus WMZW, Fitrianto A, Ahmad MB, Ibrahim NA, Osman MJ, and Chuang TC (2017). Adsorption kinetics and isotherm of methylene blue by thermally treated alum-based water treatment plant sludge. International Journal of Advanced and Applied Sciences, 4(12): 89-93

 Permanent Link:

 http://www.science-gate.com/IJAAS/V4I12/Yusuff.html

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