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Sorption of Pb(II) and Cd(II) ions onto chemically unmodified and modified oil palm fruit fibre adsorbent: Analysis of pseudo second order kinetic models

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Title Sorption of Pb(II) and Cd(II) ions onto chemically unmodified and modified oil palm fruit fibre adsorbent: Analysis of pseudo second order kinetic models
 
Creator Abia, A A
Asuquo, E D
 
Subject Sorption
Kinetics
Pseudo-second order
Oil palm fibre
Cadmium
Lead
 
Description 341-348
This study examines the sorption kinetics of Pb (II) and Cd (II) ions from aqueous solutions using unmodified and chemically modified oil palm fruit fibre. Four different models of the pseudo-second order equation were used to characterize the metal ion sorption kinetics. The results indicate that different kinetic parameters were obtained from the four forms of the pseudo-second order equations. The chemical modification of the adsorbent increased the equilibrium sorption capacity with maximum values of 5.579 mg/g for Pb(II) and 7.980 mg/g for Cd(II) for the 1.0 MOPF adsorbents. The coefficient of determination (r²) was used to analyse the different pseudo second order equations with the best fit for each of the different metal ions.
 
Date 2009-01-20T04:46:19Z
2009-01-20T04:46:19Z
2008-07
 
Type Article
 
Identifier 0971–457X
http://hdl.handle.net/123456789/2822
 
Language en_US
 
Publisher CSIR
 
Source IJCT Vol.15(4) [July 2008]