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- Title
MUNICIPAL LANDFILL LEACHATES: WATER CONTAMINANTS OR SOURCE OF NUTRIENTS IN AGRICULTURAL SOILS?
- Authors
Nogueira, Marco Antonio; Alcantara dos Santos, Cristiane; Pereira da Silva, Sandra Márcia Cesário; Bini, Daniel; Cadioli Panchoni, Luciana; Lázaro Mangieri, Vanessa; Favero Valério, Grazielle
- Abstract
Municipal landfill leachates are an environmental concern worldwide due to its polluting potential, especially for surface and ground water. Despite available technology for installation of municipal landfills and adequate treatment of leachate, many landfills are improperly established and the formed leachate has no adequate treatment and destination, especially in developing countries. However, even after treated, the resulting residues or the effluent contains nutrients like nitrogen (N), phosphorus (P) and potassium (K), which may cause eutrophication of stream waters. These nutrients are essential for plant growth and thus leachates free from contaminants like heavy metals, organic chemicals or pathogens above safe levels, could be used as source of nutrients in agricultural soils. If a decision is taken for use of landfill leachates in agricultural soils, monitoring of soil chemical, physical and biological properties are essential for a safer destination. In this chapter we discuss on aspects related to leachate formation, its environmental risks, potential use as nutrient source in agricultural soils, and procedures for monitoring the effects of landfill leachates on soil functions to prevent degradation.
- Subjects
SANITARY landfills; GROUNDWATER &; the environment; WASTE treatment; EUTROPHICATION; SOIL degradation
- Publication
Environmental Research Journal, 2015, Vol 9, Issue 2, p207
- ISSN
1935-3049
- Publication type
Article