publication . Article . 2017

Determinación de la toxicidad de lixiviados a través de toxicidad aguda utilizando Daphnia pulex y ensayos de toxicidad anaerobia

Patricia Torres Lozada; Yazmín Stefhany Carabalí Rivera; Luz Edith Barba Ho;
Open Access
  • Published: 01 Apr 2017 Journal: Ingeniería e Investigación, volume 37, page 16 (issn: 0120-5609, eissn: 2248-8723, Copyright policy)
  • Publisher: Universidad Nacional de Colombia
Abstract
ABSTRACT The municipal solid waste (MSW) of large cities, in particular the ones of developing countries, is mainly disposed in landfills (LFs), whose inadequate management generates the emission of greenhouse gases and the production of leachates with high concentrations of organic and inorganic matter and, occasionally heavy metals. In this study, the toxicity of the leachates from an intermediate-age municipal landfill was evaluated by ecotoxicity and anaerobic toxicity tests. The acute toxicity assays with Daphnia pulex presented a toxic unit (TU) value of 49,5%, which indicates that these leachates should not be directly discharged into water sources or per...
Subjects
free text keywords: lixiviado, relleno sanitario municipal, toxicidad anaerobia, Engineering, business.industry, business, Waste management, Daphnia pulex, biology.organism_classification, biology, Botany, leachate, municipal landfill, anaerobic toxicity, Engineering (General). Civil engineering (General), TA1-2040
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