Response surface methodology for cobalt removal from aqueous solutions using Isparta pumice and zeolite 4A adsorbents

• Autorzy: Çiçek E. , Cojocaru C. , Zakrzewska-Trznadel G. , Jaworska A. , Harasimowicz M.
• Konferencja: International Conference on Recent Developments and Applications of Nuclear Technologies (15-17.09 2008 ; Białowieża, Poland)
• Języki publikacji: EN

Abstrakty

EN

In this study, the adsorption of non-radioactive cobalt ions from aqueous solutions onto Isparta pumice and zeolite 4A sorbents was investigated. Both adsorbent materials have been activated at 873 K for 2 h prior to adsorption experiments in batch mode. The maximum removal efficiencies of 90% and 99% have been obtained experimentally using Isparta pumice and zeolite 4A, respectively. In addition, the experiments with radioactive 60Co were performed to test zeolite ability to remove radioactive compounds. Likewise, the response surface methodology (RSM) has been applied to develop the predictive regression models to describe the adsorption of cobalt and radiocobalt ions onto zeolite 4A and Isparta pumice. The results indicated that zeolite 4A as well as Isparta pumice could be used as the efficient sorption materials for cobalt and radiocobalt ions removal.

Słowa kluczowe

EN

zeolite; Isparta pumice; adsorption; radioactive waste; cobalt ions; response surface methodology

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2008
• Tom: Vol. 53, suppl. 2
• Strony: 121--128
• Opis fizyczny: Bibliogr. 23 poz., rys.

Twórcy

autor

Çiçek E.

• Department of Physics, Faculty of Arts and Science, Mehmet Akif Ersoy University, Burdur, Turkey and 276 Hannah Hall, Department of Physics, Oakland University, Rochester, MI 48309-4487, USA, Tel.: [phone], Fax: [phone]

autor

Cojocaru C.

• Department of Environmental Engineering and Management, Faculty of Chemical Engineering, Gh. Asachi Technical University, 71 Mangeron Blvd., 700050 Iasi, Romania

autor

Zakrzewska-Trznadel G.

• Department of Nuclear Methods in Process Engineering, Institute of Nuclear Chemistry and Technology, 16 Dorodna Str., 03-195 Warsaw, Poland

autor

Jaworska A.

• Department of Nuclear Methods in Process Engineering, Institute of Nuclear Chemistry and Technology, 16 Dorodna Str., 03-195 Warsaw, Poland

autor

Harasimowicz M.

• Department of Nuclear Methods in Process Engineering, Institute of Nuclear Chemistry and Technology, 16 Dorodna Str., 03-195 Warsaw, Poland

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