Release of heavy metals from a river sediment by a synthetic polymer and an agricultural residue: Variation with time of contact
A comparative study of the solubilization of Fe, Zn, Cu and Mn from a river sediment by solutions of a residue from agricultural industry and a synthetic polymer (SP) is presented. The agricultural residue shows a higher mobilising effect than the SP. The presence of the latter causes in most cases an initial solubilization and a readsorption afterwards, with a tendency to an equilibrium for long reaction times. The effect of the agricultural residue is not uniform for all metals studied, with a significant formation of metal-organic complexes for Cu and Zn. In the presence of the SP, the proportion of complexes formed is significant only for Zn.
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Main Authors: | Bejarano Bravo, M., Madrid, Luis |
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Format: | artículo biblioteca |
Language: | English |
Published: |
Taylor & Francis
1996
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Online Access: | http://hdl.handle.net/10261/65693 |
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