Evaluación de eichhornia crassipes. en el tratamiento de las aguas residuales provenientes del campus de la universidad nacional de Colombia, sede Orinoquia

Abstract

In this work was proposed the use of vegetable species as agents of removal of pollutants, process called phytoremediation. The objective was to evaluate a pilot scale capacity phyto-remedial of Eichhornia crassipes in the treatment of wastewater from the campus of the National University of Colombia, headquarters Orinoco.Three fito-treatments were realized with E. crassipes, in that were observed removal percentages DBO (72.12 % to 28 days), DQO (29,64 % to 7 days) and SDT (60 % to 28 days), similar to the required ones to the regulations Colombian RAS 2000 and decree 1594 of 1984, with a decrease of the index of biodegradability to 15 days. There wasn’t removal of coliformes total but if of E. Coli. Was observed increase of the metals Pb and Cd in E. crassipes after 30 days of phyto-treatment of the wastewater.