alexa Degradation Study of Phenazin Neutral Red from Aqueous Suspension by Paper Sludge
ISSN: 2157-7048

Journal of Chemical Engineering & Process Technology
Open Access

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Research Article

Degradation Study of Phenazin Neutral Red from Aqueous Suspension by Paper Sludge

Elaziouti Abdelkader1* Laouedj Nadjia2 and Bekka Ahmed1
1LCPCE Laboratory, Faculty of sciences, Department of industrial Chemistry, University of the Science and Technology of Oran (USTO M.B) BP 1505 El M'naouar 31000 Oran, Algeria
2Dr. Moulay Tahar University, Saida, Algeria
Corresponding Author : Dr. Elaziouti Abdelkader
LCPCE Laboratory, Faculty of sciences
Department of industrial Chemistry
University of the Science and the technology of Oran (USTO M.B) BP 1505 El M'naouar 31000 Oran, Algeria
Tel: (213) 0551723590
Fax: (213)041 56 00 50
E-mail: elaziouti_a@yahoo.com
Received March 19, 2011; Accepted June 01, 2011; Published June 25, 2011
Citation: Abdelkader E, Nadjia L, Ahmed B (2011) Degradation Study of Phenazin Neutral Red from Aqueous Suspension by Paper Sludge. J Chem Eng Process Technol 2:109. doi:10.4172/2157-7048.1000109
Copyright: © 2011 Abdelkader E, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

The potential ability of paper sludge to remove neutral red (NR) from aqueous solution was investigated using UV-visible and FTIR spectroscophotometers. The stability of the optical properties of NR was assessed in terms of evolution of the main absorption bands of NR in aqueous solution and in NR/incinerated sludge suspension as a function of pH and exposure time. The results showed that, the adsorption kinetic of NR onto incinerated paper sludge was fast as a result of 60.09% removal efficiency obtained within 80 minutes at pH 5. The adsorption reaction was perfectly described by pseudo- second-order kinetic model. The profile of isotherm adsorption of NR onto incinerated sludge was S-shape type. Incinerated sludge exhibited excellent performance for adsorption of NR with a maximum of 374. 98 mg/g. The equilibrium adsorption data were well fitted with Freundlich model. FTIR analysis revealed the strong interaction forces operating on heterogeneous surface of the incinerated sludge between the dissociation of the oxygenated groupings, which are in general acid functional, and dimethylamine goup [-N+(CH3)2 ] of the NR dye which could be used to explain the high adsorption capacity of cationic dye onto incinerated sludge. These findings can support the design of remediation processes and also assist in predict their fate in the environment.

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