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Información tecnológica

versão On-line ISSN 0718-0764

Resumo

MENDOZA, Yoma I.; I.PEREZ, Jhonny  e  GALINDO, Andres A.. Evaluation of the Contribution of the Aquatic Plants Pistia stratiotes and Eichhornia crassipes in the Municipal Wastewater Treatment. Inf. tecnol. [online]. 2018, vol.29, n.2, pp.205-214. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642018000200205.

The objective of this study was to evaluate the contribution of the aquatic plants Pistia stratiotes and Eichhornia crassipes in the treatment of municipal wastewater (ARM) in the city of Riohacha. An experimental design of a factor (plants) and six levels that correspond to the five treatments and a control were considered. Six microcosms with a capacity of 84.4 L that operated at environmental conditions were installed. According to the Dunnet test, there is no significant difference between treatments and control, so there is no significant contribution of plants in the removal of contaminants. However, a small difference in the removal can meet the legal requirements. The maximum removal efficiencies were presented in the microcosm with 100% and 50 % coverage of Pistia stratiotes, except BOD5 that was presented in the systems with 50% of each plant.

Palavras-chave : phytoremediation; Pistia stratiotes; Eichhornia crassipes; pollutants; wastewater.

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