An alternative evaluation method for accumulated dead leaves of Posidonia oceanica (L.) Delile on the beaches: removal of uranium from aqueous solutions

Mustafa Aydin; Levent Cavas; Melek Merdivan

doi:10.1007/s10967-012-1782-2

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 293: Issue 2

An alternative evaluation method for accumulated dead leaves of Posidonia oceanica (L.) Delile on the beaches: removal of uranium from aqueous solutions

Authors:

Mustafa Aydin

Mustafa Aydin Division of Analytical Chemistry, Department of Chemistry, Faculty of Science, Dokuz Eylul University, Kaynaklar Campus, 35160 Izmir, Turkey

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Levent Cavas

Levent Cavas Division of Biochemistry, Department of Chemistry, Faculty of Science, Dokuz Eylul University, Kaynaklar Campus, 35160 Izmir, Turkey

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, and

Melek Merdivan

Melek Merdivan Division of Analytical Chemistry, Department of Chemistry, Faculty of Science, Dokuz Eylul University, Kaynaklar Campus, 35160 Izmir, Turkey

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Pages:: 489–496

Online Publication Date:: 04 May 2012

Publication Date:: 01 Aug 2012

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-012-1782-2

Keywords:: Adsorption; Chemical pollution; Dead leaves; Radioactive wastes; Uranium (VI)

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Abstract

Posidonia oceanica (L.) Delile is an important endemic sea plant in the Mediterranean Sea. Its dead leaves are accumulated in the beaches and cause bad view and also odour in the touristical beaches. Therefore, these dead leaves accumulated on the beaches are collected and then burned in some beaches in Turkey. In the present study, the adsorption between dead leaves and uranium were studied in the aqueous solutions. The adsorption data obeyed the pseudo-second order kinetics. Among the studied isotherms, the data were well in line with the Freundlich and Dubinin-Raduschkevich models and the maximum adsorption capacities obtained from these models were found as 5.67 and 9.81 mg g⁻¹, respectively. Negative values of Gibbs free energy showed that the adsorption was in spontaneous nature. In conclusion, the dead leaves of P. oceanica from touristic beaches might be collected and evaluated as a low-cost adsorbent for removal of uranium(VI) from aqueous solutions.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)