title: Kinetic studies on sorption of basic dye using Eichhornia crassipes.
abstract: Sorption capacity of different parts of Eichhornia crassipes, such as rhizome, root, lamina and petiole on basic aurophine-o was studied in a batch system. The equilibrium uptake capacity was observed as 13.65 mg/g (using root), 13.5 mg/g (using lamina), 12.9 mg/g (using rhizome) and 12.75 mg/g (using petiole). It was observed that the equilibrium dye uptake capacity using root was found to be more when compared to all other E. crassipes parts used in the present investigation. The shortcut equations developed are accurate and can be used in the place of experimental data. The shortcut equations form the basis for further research. The intra particle diffusion coefficient (K(i)) and effective diffusion coefficient (D(i)) were evaluated for the removal of dye using root, which were found to be more when compared to all other parts of E. crassipes studied such as, lamina, rhizome and petiole.
authors.affiliation: Department of Chemical Engineering, Alagappa College of Technology, Anna University, Chennai -600 025, Tamil Nadu, India. rengsah@rediffmail.com
authors.forename: S
authors.initials: S
authors.lastname: Renganathan
authors.forename: R
authors.initials: R
authors.lastname: Venkatakrishnan
authors.forename: S
authors.initials: S
authors.lastname: Venkataramana
authors.forename: M Dharmendira
authors.initials: MD
authors.lastname: Kumar
authors.forename: S
authors.initials: S
authors.lastname: Deepak
authors.forename: Lima Rose
authors.initials: LR
authors.lastname: Miranda
authors.forename: M
authors.initials: M
authors.lastname: Velan
mesh_terms: D000327:Adsorption; D001673:Biodegradation, Environmental; D004396:Coloring Agents / Q000737:chemistry* / Q000302:isolation & purification / Q000378:metabolism*; D003198:Computer Simulation; D031806:Eichhornia / Q000737:chemistry* / Q000378:metabolism*; D007220:Industrial Waste / Q000517:prevention & control; D007700:Kinetics; D008657:Metabolic Clearance Rate; D008954:Models, Biological; D008956:Models, Chemical; D013783:Textile Industry / Q000379:methods; D014874:Water Pollutants, Chemical / Q000737:chemistry* / Q000378:metabolism*; D018508:Water Purification / Q000379:methods*
chemical_list: D004396:Coloring Agents; D007220:Industrial Waste; D014874:Water Pollutants, Chemical