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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Seco-Reigosa, Natalia Nóvoa-Muñoz, Juan Carlos Alvarez-Rodríguez, Esperanza Núñez-Delgado, Avelino Arias-Estévez, Manuel Fernández-Sanjurjo, María J. Peña-Rodríguez, Susana |
| Description | Country affiliation: Spain Author Affiliation: Seco-Reigosa N ( Departamento de Edafoloxía e Química Agrícola, Escola Politécnica Superior, University of Santiago de Compostela, Campus univ. s/n, 27002 Lugo, Spain.) |
| Abstract | Different batches of valued mussel shell and waste mussel shell ash are characterised. Shell ash has pH > 12 and high electrical conductivities (between 16.01 and 27.27 dS m(-1)), while calcined shell shows pH values up to 10.7 and electrical conductivities between 1.19 and 3.55 dS m(-1). X-ray fluorescence, nitric acid digestion and water extractions show higher concentrations in shell ash for most parameters. Calcite is the dominant crystalline compound in this ash (95.6%), followed by aragonite. Adsorption/desorption trials were performed for mussel shell ash and for a waste mixture including shell ash, sewage sludge and wood ash, showing the following percentage adsorptions: Hg(II) >94%, As(V) >96% and Cr(VI) between 11 and 30% for shell ash; Hg(II) >98%, As(V) >88% and Cr(VI) between 30 and 88% for the waste mixture. Hg and As desorption was <5% for both shell ash and the waste mixture, while Cr desorption was between 92 and 45% for shell ash, and between 19 and 0% for the mixture. In view of that, mussel shell ash and the mixture including shell ash, sewage sludge and wood ash could be useful for Hg(II) and As(V) removal. |
| ISSN | 09441344 |
| Issue Number | 4 |
| Volume Number | 20 |
| e-ISSN | 16147499 |
| Journal | Environmental Science and Pollution Research |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2013-04-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Animal Shells Chemistry Environmental Pollutants Industrial Waste Analysis Mytilus Sewage Waste Management Methods Wood Adsorption Animals Arsenic Chromium Mercury Spectrometry, X-ray Emission X-ray Diffraction Evaluation Studies Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine |
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