Assessing the risk of groundwater contamination from organic substances in sewage sludge.
Assessing the risk of groundwater contamination from organic substances in sewage sludge.
Author(s): KATAGUIRI, K.; PARAIBA, L. C.
Summary: In this work, the risk of groundwater contamination from organic substances in sewage sludge from wastewater treatment stations was evaluated in its worst case. The sewage sludge was applied as fertilizer in corn culture, prioritizing the substances for monitoring. The assessing risk took place in a Typic Distrophic Red Latossol (TDRL) area, in the county district of Jaguariúna, SP. The simulators CMLS-94 and WGEN were used to evaluate the risk of twenty-eight organic substances in sewage sludge to leach to groundwater. The risk of groundwater contamination was accomplished for a single sludge dose application in a thousand independent and equally probable years, simulated to esteem the substances leaching in one year after the application date of the sludge. It is presented the substances that should be priorly monitored in groundwater.
Publication year: 2008
Types of publication: Paper in annals and proceedings
Unit: Embrapa Environment
Keywords: Contaminação, Metal Pesado, Água subterrânea
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