Lead behavior in sandy soil treated with sewage sludge contaminated with lead and its absorption by plants

Authors

  • Margarete Soares da Silva UEMS
  • Silvia Naves de Souza UEM
  • Ervim Lenzi UEM
  • Eduardo Bernardi Luchese UNIOESTE

DOI:

https://doi.org/10.4025/actascitechnol.v20i0.3117

Keywords:

lodo de esgoto, chumbo em plantas, chumbo em solo, metal pesado

Abstract

Five treatments were applied in a sandy soil with contaminated sewage sludge. Three treatments with lead, in µg.g-1, in the concentrations of 0 (control); 2,500; 5,000 and two with a mixture of lead + cadmium (as interferer), in µg.g-1 each, in the concentrations of 2,500 + 2,500 and 5,000 + 5,000 respectively. The soils in the vases that received the treatment were cultivated with maize during two months and a half in a greenhouse. The soil analyses for the treatments showed heavy metal Pb only at the surface (from 0 to 20cm deep). In the depth from 20 to 60cm the concentration was steady showing a non-significant difference between themselves in any of the treatments. The Pb concentrations found in the aerial parts of the plants, for all the treatments, were inferior to the values considered phytotoxic by the literature. Interference of cadmium on the lead behaviour was not observed.

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Author Biography

Ervim Lenzi, UEM

possui graduação em Quí­mica pela Universidade Federal de Santa Maria (1970), mestrado em Quí­mica (Quí­mica Analí­tica Inorgânica) pela Pontifí­cia Universidade Católica do Rio de Janeiro (1972) e doutorado em Quí­mica (Quí­mica Analí­tica Inorgânica) pela Pontifí­cia Universidade Católica do Rio de Janeiro (1980). Desde 1974 é professor da Universidade Estadual de Maringá - UEM. Em 1996 aposentou-se como Professor Titular da UEM. Prestou novo concurso na UEM reingressando como Professor Adjunto A. Atualmente é Professor Associado da Universidade Estadual de Maringá. Tem experiência na área de Quí­mica, com ênfase em Quí­mica Analí­tica, atuando principalmente nos seguintes temas: meio ambiente, metal pesado, poluição ambiental, poluição e solos Currí­culo Lattes

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Published

2008-05-13

How to Cite

Silva, M. S. da, Souza, S. N. de, Lenzi, E., & Luchese, E. B. (2008). Lead behavior in sandy soil treated with sewage sludge contaminated with lead and its absorption by plants. Acta Scientiarum. Technology, 20, 427–432. https://doi.org/10.4025/actascitechnol.v20i0.3117

Issue

Vol. 20 (1998)

Section

Chemistry

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