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Nickel,Lead and Zinc Sorption in a Reclaimed Settling Pond Soil

Pedosphere 2016年第1期26卷 39-48页

作者： Veronica ASENSIO Ruben FORJAN flora alonso vega Emma Fernandez COVELO Department of Plant Biology and Soil Science Faculty of BiologyUniversity of VigoAs Lagoas-Marcosende36310 VigoPon-tevedra(Spain) Department Of Plant Nutrition University of Sdo Paulo-Center of Nuclear Energy in Agriculture(USP-CENA)134 00-970 Piracica-ba-SP(Brazil)

The wastes used to amend soils sometimes have high concentrations of metals such as nickel(Ni), lead(Pb) and zinc(Zn). To determine the capacity of soils to retain these metals, the sorption capacities of different mine soils with and without reclamation treatments(tree vegetation and waste amendment) for Ni, Pb and Zn in individual and competitive situations were evaluated using the batch sorption technique. The untreated settling pond soil had low capacity for Ni, Pb and Zn retention. The site amended with wastes(sewage sludges and paper mill residues) increased the sorption capacity most, probably because of the higher concentrations of soil components with high retention capacity such as carbon and clay fraction. No significant competition was observed between metals in the competitive sorption experiment, indicating that the maximum of sorption was not achieved by adding 0.5 mmol L^(-1) of metal. We can conclude that, despite the possible additions of Ni, Pb and Zn from wastes to degraded soils, sewage sludges and paper mill residues have a high sorption capacity that would prevent the metals from being in a mobile form.

关键词：土壤成分吸附能力沉淀池镍铅锌回收污水污泥

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Neuropathology of Schizophrenia

引用

Journal of Pharmacy and Pharmacology 2014年第7期2卷 422-431页

作者： Villeda-Hernandez Juana Sanchez Martinez Rodrigo Totxo-Guerrero Sebastian Manzanarez-Colin Mariel Carolina Palacios-Escalona Sergio Franco-Del Toro Perla Guadalupe Cuevas-Nunez flora Minerva alonso-Zuniga Rosa Emma Peralta-Rodriguez Brenda Rembao-Bojorquez Daniel Tristan-Agundis Ma.Francisca Department of Neuropathology National Institute of Neurology and Neurosurgery Distrito Federal 14269 Mexico Faculty of Medicine National Autonomous University of Mexico Distrito Federal 03000 Mexico School of Medicine Guadalajara University Guadalajara 44100 Mexico School of Medicine San Luis Potosi University San Luis Potosi 78000 Mexico Department of Pathology Fray Bernardino Alvarez Psychiatric Hospital Distrito Federal 14000 Mexico

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