Sorption of Co(II) ong-alumina in the presence and absence of fulvic acid

Sh. Yu; X. Li; A. Ren; D. Shao; Ch. Chen; X. Wang

doi:10.1007/s10967-006-0175-9

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 268: Issue 2

Sorption of Co(II) ong-alumina in the presence and absence of fulvic acid

Authors:

Sh. Yu

Sh. Yu School of Chemical Engineering, Hefei University of Technology 230009, Hefei, Anhui, P.R. China

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X. Li

X. Li School of Chemical Engineering, Hefei University of Technology 230009, Hefei, Anhui, P.R. China

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A. Ren

A. Ren School of Chemical Engineering, Hefei University of Technology 230009, Hefei, Anhui, P.R. China

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D. Shao

D. Shao Institute of Plasma Physics, Chinese Academy of Sciences P.O.Box 1126, 230031, Hefei, Anhui, P.R. China

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Ch. Chen

Ch. Chen Institute of Plasma Physics, Chinese Academy of Sciences P.O.Box 1126, 230031, Hefei, Anhui, P.R. China

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, and

X. Wang

X. Wang Institute of Plasma Physics, Chinese Academy of Sciences P.O.Box 1126, 230031, Hefei, Anhui, P.R. China

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Pages:: 387–392

Online Publication Date:: 03 Jun 2006

Publication Date:: 17 May 2006

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-006-0175-9

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Summary

The removal of heavy metal ion Co(II) from aqueous solution was studied usingg-Al₂O₃ by batch technique. The experiments were performed at T=20±2 °C, in 0.01M NaNO₃ solutions and under aerobic conditions. The effect of pH, ionic strength, fulvic acid (FA) and alumina amount on the sorption of Co(II) on alumina were also investigated. The pH affected the sorption of Co(II) significantly as compared with the effect of FA and ionic strength. The results indicated that strong chemical bonds are formed between Co(II) and functional groups of the bare or FA coated alumina, and a precipitation of Co(II) takes place on the alumina surface, induced by a transition from the adsorption to surface. The addition sequences of Co/FA on Co(II) sorption were also studied: the sorption of Co(II) in the ternary system was found independent of addition sequences.

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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)