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Thermodynamic studies on removal of reactive blue 19 dye on cross-linked chitosan/oil palm ash composite beads

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3 Author(s)
Masitah, H. ; Sch. of Environemntal Eng., Univ. Malaysia Perlis, Jejawi, Malaysia ; Bassim, H.H. ; Latif, A.A.

The effect of temperature on adsorption of reactive blue 19 (RB19) by cross-linked chitosan/oil palm ash composite beads was investigated. Temperature studied from range 30 to 50°C. It was observed that the uptake of this dye increased with increasing in temperature. Results revealed that sorptions of reactive blue 19 (RB19) on cross-linked chitosan/oil palm ash composite beads was endotermic in nature. Thermodynamics parameters such as entrophy change, entalphy change and Gibb's free energy were found out to be 166.20 J/mol.K, 46.21 kJ/mol and -3.86 to - 7.15 kJ/mol, respectively.

Published in:

Energy and Environment, 2009. ICEE 2009. 3rd International Conference on

Date of Conference:

7-8 Dec. 2009