| Removal of toxic metals from aqueous solutions by fungal biomass of Agaricus macrosporus. | |
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MedLine Citation:
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PMID: 17692896 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Fungi such as Agaricus macrosporus show potential for the removal of heavy metals from aqueous solutions contaminated by zinc, copper, mercury, cadmium or lead. This study investigated biosorption of these metals by living or non-living biomass of A. macrosporus from an acid solution, an acid solution supplemented with potassium and phosphorus, and an alkaline solution. Uptake showed a pH-dependent profile. Maximum percentage uptake of all metals was found to occur at alkaline pH (Cu 96%, Pb 89%). With living biomass, metal biosorption was greater and faster in K/P-supplemented acid medium than in non-supplemented acid medium, with equilibrium reached within 15 min for all metals, and the highest percentage uptake being of cadmium (96%). In general, the greatest differences in biosorption capacity were seen for living biomass, between supplemented and non-supplemented acid medium; the smallest differences were between living and dead biomass in alkaline medium. These results support the potential utility of A. macrosporus for heavy metal removal. |
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Authors:
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M J Melgar; J Alonso; M A García |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2007-08-10 |
Journal Detail:
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Title: The Science of the total environment Volume: 385 ISSN: 0048-9697 ISO Abbreviation: Sci. Total Environ. Publication Date: 2007 Oct |
Date Detail:
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Created Date: 2007-09-11 Completed Date: 2007-11-08 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0330500 Medline TA: Sci Total Environ Country: Netherlands |
Other Details:
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Languages: eng Pagination: 12-9 Citation Subset: IM |
Affiliation:
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Departamento de Toxicología, Facultad de Veterinaria, Universidad de Santiago de Compostela, C/ Carvalho Calero s/n, 27002-Lugo, Spain. mjmelgar@lugo.usc.es |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adsorption Agaricus / chemistry*, growth & development Biomass Environmental Pollutants / analysis* Environmental Remediation / methods* Kinetics Metals, Heavy / analysis* Solutions Water |
| Chemical | |
Reg. No./Substance:
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0/Environmental Pollutants; 0/Metals, Heavy; 0/Solutions; 7732-18-5/Water |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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