<b>Coagulation diagram using the <i>Moringa oleifera</i> Lam and the aluminium sulphate, aiming the removal of color and turbidity of water</b> - doi: 10.4025/actascitechnol.v35i3.12268
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https://doi.org/10.4025/actascitechnol.v35i3.12268Palavras-chave:
water treatment, biopolymer, chemical coagulant, quality parametersResumo
This work suggests the study of the coagulation diagram as a tool to verify the efficiency in removing color and turbidity of the water, using the Moringa oleifera Lam and the association of this biopolymer with the aluminium sulphate as coagulating agents. The assays were carried out in Jar Test, by varying the concentrations of coagulants and pH of coagulation. After the assays of coagulation/flocculation/sedimentation, samples were collected for the evaluation of the process efficiency. Best results were obtained at dose of 50 ppm of Moringa oleifera Lam. When associating the coagulants, the addition of the aluminium sulphate provided an increase in the efficiency of coagulation/flocculation, whose parameters of control used were color and turbidity. It was verified that the study of the coagulation diagram is useful, since it enables developing the assays in the optimal range, as a function of the raw water characteristics. The use of the Moringa oleifera Lam can be considered as an alternative technique to the conventional treatment.
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