Removal of cobalt- and mercury-EDTA chelates from aqueous solutions with a macroporous char

T. Marrero; S. Manahan; J. Morris

doi:10.1023/a:1020826522318

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 254: Issue 1

Removal of cobalt- and mercury-EDTA chelates from aqueous solutions with a macroporous char

Authors:

T. Marrero

T. Marrero University of Missouri Department of Chemistry 125 Chemistry Columbia Missouri 65211 USA

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S. Manahan

S. Manahan University of Missouri Department of Chemistry 125 Chemistry Columbia Missouri 65211 USA

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J. Morris

J. Morris University of Missouri Research Reactor Research Park Columbia Missouri 65211 USA

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Pages:: 193–200

Online Publication Date:: 22 Dec 2004

Publication Date:: 17 Oct 2002

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1020826522318

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Abstract

A bench-scale method was developed to remove cobalt- and mercury-EDTA chelates from water onto macroporous char. Experimental parameters included variations on solution pH, char pre-treatment, cobalt oxidation state, and apparatus configuration. The use of ⁶⁰Co and ²⁰³Hg radiotracers allowed for total accountability of the metals in the char and effluents. Overall experimental results demonstrate the applicability of treated macroporous chars for the effective removal of both cobalt and mercury EDTA chelates from aqueous solutions. The char system was optimized to sequester 97.5% and 99.8% of the cobalt- and mercury-EDTA from 20 ppm solutions, respectively.

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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)