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Utilization of durian (Durio zibethinus Murray) peel as low cost sorbent for the removal of acid dye from aqueous solutions

Paper ID Volume ID Publish Year Pages File Format Full-Text
4633 235 2008 6 PDF Available
Title
Utilization of durian (Durio zibethinus Murray) peel as low cost sorbent for the removal of acid dye from aqueous solutions
Abstract

In this paper, durian peel (DP), an agricultural waste, was evaluated for its ability to remove acid dye from aqueous solutions. Adsorption equilibrium and kinetics of acid green 25 (AG25) from aqueous solutions at various initial dye concentrations (50–500 mg/L), pH (2–10), and temperature (30–50 °C) on DP were studied in a batch mode operation. Equilibrium isotherms were analyzed by Langmuir and Freundlich isotherm models. The equilibrium data were best represented by Langmuir isotherm model with maximum monolayer adsorption capacity of 63.29 mg/g at 30 °C. Kinetics analyses were conducted using pseudo-first-order, pseudo-second-order and intraparticle diffusion models. It was found that the adsorption kinetics of AG25 on DP obeyed pseudo-second-order sorption kinetics. The results indicate the potential of DP as sorbent for the removal of acid dye from aqueous solution.

Keywords
Durian peel; Acid green 25; Adsorption isotherm; Equilibrium; Kinetics
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Utilization of durian (Durio zibethinus Murray) peel as low cost sorbent for the removal of acid dye from aqueous solutions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 39, Issue 2, 15 April 2008, Pages 338–343
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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