REMOVAL OF CHROMIUM (VI) FROM AQUEOUS SOLUTIONS USING LEWATIT FO36 NANO ION EXCHANGE RESIN

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RAFATI L.; MAHVI A.H.; ASGARI A.R.; HOSSEINI S.S.

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Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2010 | Volume:7 | Issue:1 (25) Page(s): 147-156

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Title

REMOVAL OF CHROMIUM (VI) FROM AQUEOUS SOLUTIONS USING LEWATIT FO36 NANO ION EXCHANGE RESIN

Author(s)

RAFATI L. | MAHVI A.H. | ASGARI A.R. | HOSSEINI S.S. | Issue Writer Certificate

Keywords

ADSORPTION ISOTHERM

CHROMIUM (VI)

ION EXCHANGE KINETICS

LEWATIT FO36

NANO RESIN

Abstract

The removal of the chromium (VI) ion from aqueous solutions with the LEWATIT FO36 ion-exchange resin is described at different conditions. The effects of adsorbent dose, initial metal concentration, contact time and pH on the removal of chromium (VI) were investigated. The batch ion exchange process was relatively fast and it reached equilibrium after about 90 min of contact. The ion exchange process, which is pH dependent showed maximum removal of chromium (VI) in the pH range 5.0-8.0 for an initial chromium (VI) concentration of 0.5 mg/dm3. The equilibrium related to LEWATIT FO36 ion- exchange capacity and the amounts of the ion exchange were obtained using the plots of the Langmuir ADSORPTION ISOTHERM. It was observed that the maximum ion exchange capacity of 0.29 mmol of chromium (VI)/g for LEWATIT FO36 was achieved at optimum pH value of 6.0. The ion exchange of chromium (VI) on this cation-exchange resin followed first-order reversible kinetics.

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APA: Copy

RAFATI, L., MAHVI, A.H., ASGARI, A.R., & HOSSEINI, S.S.. (2010). REMOVAL OF CHROMIUM (VI) FROM AQUEOUS SOLUTIONS USING LEWATIT FO36 NANO ION EXCHANGE RESIN. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 7(1 (25)), 147-156. SID. https://sid.ir/paper/285214/en

Vancouver: Copy

RAFATI L., MAHVI A.H., ASGARI A.R., HOSSEINI S.S.. REMOVAL OF CHROMIUM (VI) FROM AQUEOUS SOLUTIONS USING LEWATIT FO36 NANO ION EXCHANGE RESIN. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2010;7(1 (25)):147-156. Available from: https://sid.ir/paper/285214/en

IEEE: Copy

L. RAFATI, A.H. MAHVI, A.R. ASGARI, and S.S. HOSSEINI, “REMOVAL OF CHROMIUM (VI) FROM AQUEOUS SOLUTIONS USING LEWATIT FO36 NANO ION EXCHANGE RESIN,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 7, no. 1 (25), pp. 147–156, 2010, [Online]. Available: https://sid.ir/paper/285214/en

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