Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutions

The effects of acidic, basic and neutral reagents on the recovery of Pb2+ and Cd2+ from metal-loaded biomass of wild cocoyam (C. bicolor) were investigated by eluting the biomass in five successive cycles using 0.01 M HCl, 0.1 M HCl, 0.01 M NaOH, 0.1 M NaOH and distilled water at different contact t...

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Autores principales:	Horsfall Jnr,Michael, Ogban,Fred E., Akporhonor,Eyetemi E.
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso 2006
Materias:	cocoyam desorption heavy metals removal metal recovery water treatment
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000200009
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spelling	oai:scielo:S0717-345820060002000092006-12-10Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutionsHorsfall Jnr,MichaelOgban,Fred E.Akporhonor,Eyetemi E. cocoyam desorption heavy metals removal metal recovery water treatment The effects of acidic, basic and neutral reagents on the recovery of Pb2+ and Cd2+ from metal-loaded biomass of wild cocoyam (C. bicolor) were investigated by eluting the biomass in five successive cycles using 0.01 M HCl, 0.1 M HCl, 0.01 M NaOH, 0.1 M NaOH and distilled water at different contact times. The data showed that the ease of metal ion recovery from metal -loaded biomass by the eluent solutions is of the order 0.01 M HCl > 0.1 M HCl > 0.01 M NaOH > 0.1 M NaOH > distilled water. Over 94% Pb2+ and 74% Cd2+ of the initially adsorbed metals were recovered by 0.01 M HCl, while < 20% of both metals was recovered by basic reagent. Distilled water recovered less than 9% of both metal ions from the biomass. Macroscopic changes were also observed as the concentration of recovery reagent increased. This study has demonstrated that the selection of a recovery reagent for metal ions on a biomaterial should give consideration to the reusability of the biomass.info:eu-repo/semantics/openAccessPontificia Universidad Católica de ValparaísoElectronic Journal of Biotechnology v.9 n.2 20062006-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000200009en
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	cocoyam desorption heavy metals removal metal recovery water treatment
spellingShingle	cocoyam desorption heavy metals removal metal recovery water treatment Horsfall Jnr,Michael Ogban,Fred E. Akporhonor,Eyetemi E. Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutions
description	The effects of acidic, basic and neutral reagents on the recovery of Pb2+ and Cd2+ from metal-loaded biomass of wild cocoyam (C. bicolor) were investigated by eluting the biomass in five successive cycles using 0.01 M HCl, 0.1 M HCl, 0.01 M NaOH, 0.1 M NaOH and distilled water at different contact times. The data showed that the ease of metal ion recovery from metal -loaded biomass by the eluent solutions is of the order 0.01 M HCl > 0.1 M HCl > 0.01 M NaOH > 0.1 M NaOH > distilled water. Over 94% Pb2+ and 74% Cd2+ of the initially adsorbed metals were recovered by 0.01 M HCl, while < 20% of both metals was recovered by basic reagent. Distilled water recovered less than 9% of both metal ions from the biomass. Macroscopic changes were also observed as the concentration of recovery reagent increased. This study has demonstrated that the selection of a recovery reagent for metal ions on a biomaterial should give consideration to the reusability of the biomass.
author	Horsfall Jnr,Michael Ogban,Fred E. Akporhonor,Eyetemi E.
author_facet	Horsfall Jnr,Michael Ogban,Fred E. Akporhonor,Eyetemi E.
author_sort	Horsfall Jnr,Michael
title	Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutions
title_short	Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutions
title_full	Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutions
title_fullStr	Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutions
title_full_unstemmed	Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutions
title_sort	recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (caladium bicolor) using acidic, basic and neutral eluent solutions
publisher	Pontificia Universidad Católica de Valparaíso
publishDate	2006
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000200009
work_keys_str_mv	AT horsfalljnrmichael recoveryofleadandcadmiumionsfrommetalloadedbiomassofwildcocoyamcaladiumbicolorusingacidicbasicandneutraleluentsolutions AT ogbanfrede recoveryofleadandcadmiumionsfrommetalloadedbiomassofwildcocoyamcaladiumbicolorusingacidicbasicandneutraleluentsolutions AT akporhonoreyetemie recoveryofleadandcadmiumionsfrommetalloadedbiomassofwildcocoyamcaladiumbicolorusingacidicbasicandneutraleluentsolutions
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Recovery of lead and cadmium ions from metal-loaded biomass of wild cocoyam (Caladium bicolor) using acidic, basic and neutral eluent solutions

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