Efficiency of the Wide board (Typha latifolia) and Umbela palm (Cyperus alternifolius) in the treatment of wastewater by macrophyte beds in the Kimpa Vita university Campus
Keywords:
Keywords: efficiency, constructed wetlands of macrophytes, Kimpa Vita, wastewater treatment.Abstract
This manuscript focuses on the use of constructed wetlands of macrophytes, which currently constitutes a sustainable alternative for the treatment of wastewater, being recommended for small agglomerations and areas with variable organic loads, described as robust, resilient to cope with these variations with reduced costs. The main objective of the work was to evaluate the performance of the purification efficiency of Wide board (Typha latifolia) and Palmeira umbela (Cyperus alternifolius), local macrophytes from the northern region of Angola (Uíge), in the treatment of wastewater in peri-urban and rural areas (case of the Kimpa Vita University), by constructed wetlands of vegetables. The ANOVA analysis of variance revealed a significant difference in performance between Typha latifolia and Cyperus alternifolius regarding the removal of chemical oxygen demand (COD), biochemical oxygen demand for five days (BOD5), total suspended solids (TSS) and total Kjeldahl nitrogen (NTK), despite the close removal values presented by the two plants. It was also verified, in addition to the biological role developed by the two species in the degradation of organic pollution, Typha latifolia distinguished itself as better in hydraulic conductivity (physical paper), capable of receiving the floods, for having developed roots and rhizomes larger than Cyperus alternifolius.
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