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Basic dye removal from synthetic wastewater by adsorption on palm ash

Abdulbari, Abdulbari and Ahmad, A. and Hameed, Bassim H. and Aziz, N. (2006) Basic dye removal from synthetic wastewater by adsorption on palm ash. In: 1st International Conference on Natural Resources Engineering & Technology 2006, 24-25th July 2006, Putrajaya, Malaysia.

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Palm ash, an agriculture waste residue from palm oil industry in Malaysia, was investigated as a replacement for the current expensive activated carbon adsorbent for removing of basic blue 66 dye from synthetic wastewater. Adsorption equilibrium and kinetics of basic dye from aqueous solutions onto palm oil were studied in a batch system. Effects of the initial concentration (50 to 600 mg/l), contact time, pH (2-12) and temperature on adsorption rate were investigated. The experimental data were analyzed by the Langmuir, Freundlich and Redlich-Peterson models of adsorption. Equilibrium data fitted well Langmuir, Freundlich and Redlich-Peterson models in the range of 50-600 mg/l. The kinetic models pseudo firstorder and pseudo-second-order were tested to investigate the adsorption mechanisms. It was shown that second-order kinetic equation could best describe the adsorption kinetics. The results indicate that the activated palm ash could be employed as a low cost alternative to commercial activated carbon.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Adsorption; basic blue 66 dye; palm ash; isotherms; kinetic models
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Natural Resources Engineering (Formerly known)
ID Code:364
Deposited By: Khairulbahiyah Yaakub
Deposited On:15 Feb 2007 09:36
Last Modified:23 Aug 2017 07:04

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