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Kinetics and Adsorption Isotherms for the Removal of Tartrazine from Aqueous Solution by Coal Ash

  • M. Ishaq , K. Saeed and S. Nadeem
Published/Copyright: April 11, 2013
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Abstract

The coal ash (Φ) was used as an adsorbent for the removal of tartrazine from aqueous solution at room temperature. The adsorption capacity of tartrazine increased as the adsorption time was increased and then remains constant after 30 min adsorption duration. It was found that the Φ removed more than 40% of tartrazine from the aqueous solution within 1 h contact time. The equilibrium adsorption was also analyzed by Langmuir isotherm and it was found that the data followed the Langmuir isotherm models.

Kurzfassung

Kohlenasche (Φ) wurde als Adsorptionsmittel zur Entfernung von Tartrazin aus wässriger Lösung bei Raumtemperatur eingesetzt. Die Adsorptionskapazität von Tartrazin nahm zu mit steigender Adsorptionszeit und blieb nach einer Adsorptionsdauer von 30 Minuten konstant. Bei einer Behandlungdauer von einer Stunde konnten mehr als 40% des Tartrazins aus der wässrigen Lösung mit der Kohlenasche entfernt werden. Die Gleichgewichtsadsorption wurde mit Hilfe der Langmuir-Isothermen analysiert. Es wurde festgestellt, dass die Daten der Langmuir-Modellisothermen folgen.


Dr. Khalid Saeed, Institute of Chemical Sciences, University of Peshawar, Peshawar-25120, Khyber Pukhtoonkhwa, Pakistan. E-Mail:

Dr. Muhammad Ishaq received his M. Sc in 1983 from Department of Chemistry, University of Peshawar and PhD from the same department in 1995. He went to University of Dundee, Scotland in 2004 for Post doc. He is working as associate professor in Institute of Chemical Sciences, University of Peshawar. His research work focuses on Coal, Petroleum, catalysis and removal/investigation of toxic organic and inorganic materials in drinking and waste water.

Dr. Khalid Saeed completed his M. Sc and M. Phil from Department of Chemistry, University of Peshawar in 2001 and 2004, respectively. He received his PhD in 2008, from Department of Polymer Science, Kyungpook National University, South Korea. At present he is working as assistant professor in Department of Chemistry. His current research work focuses on preparation of CNT/polymer nanocomposites, Electrospun nanofibers and Polymer Blend, and adsorption of Toxic materials using different adsorbents.

Mr. Said Nadeem completed his M. Sc in 2005 from Department of Chemistry, University of Peshawar. Currently he is Ph.D student in H.E.J. Research Institute of Chemistry, University of Karachi.


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Received: 2010-04-14
Published Online: 2013-04-11
Published in Print: 2011-03-01

© 2011, Carl Hanser Publisher, Munich

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