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DYNA
Print version ISSN 0012-7353
Abstract
RIANOS-DONADO,, Katerine; MEZA-LEONES, María Carolina and MERCADO-MARTINEZ, Iván Darío. Clarification of the water of wetlands using a mixture of natural coagulants. Dyna rev.fac.nac.minas [online]. 2019, vol.86, n.209, pp.73-78. ISSN 0012-7353. https://doi.org/10.15446/dyna.v86n209.73687.
The purpose of this investigation was to evaluate the coagulant power of 5 natural combinations to clarify the water of a wetland. The clarification process was simulated with the jar test and a rapid agitation at 120 rpm was established for this test for 1 minute, slow agitation at 30 rpm for 20 minutes and sedimentation for 15 minutes. For the natural combinations, a ratio of 90-10, 80-20, 70-30, 60-40, and 50-50 yucca -seeds of Moringa oleifera was determined. After the process, the turbidity of the water was compared with a control sample. It was determined that the best results were obtained with treatment 2, 4 and 5 that removed the turbidity of the water from the wetland in 89.7%, 93.0 and 93.4% and 93.4% respectively.
Keywords : coagulation; coagulant doses; flocculation; sedimentation; turbidity.