2019
DOI: 10.32911/as.2018.v11.n2.583
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Efectividad de especies naturales como ayudantes de Coagulación, para la clarificación de aguas turbias en épocas de avenidas en caseríos y centros poblados de Huaraz y Callejón de Huaylas

Abstract: <p>Las poblaciones que consumen agua de fuentes hídricas deben garantizar una buena calidad para su consumo, por ello se tuvo por objetivo evaluar la efectividad de especies naturales como ayudantes de coagulación para la clarificación de aguas turbias que se generan en épocas de avenidas en los ríos LLullan, Paria y Chucchun. La metodología aplicada: Recolección de los coagulantes, Test de jarras y determinación de dosis optimas y pH. Se utilizó coagulantes naturales como la mashua, papa, tara, penca y … Show more

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“…At last, the coagulant extracted with NaOH at 30 rpm has the highest initial pH (7.96), and their final pH was similar to the others (6.89). The pH is a main parameter in coagulationflocculation process, due it can change the surface charge of the coagulant and/or contaminant; then, the starch obtained in the present study and used as natural coagulant is stable over a wide pH range and its use in real waters samples is recomended (Daverey, Tiwari and Dutta et al, 2018;Paredes et al, 2018).…”
Section: Experimental Designmentioning
confidence: 95%
See 1 more Smart Citation
“…At last, the coagulant extracted with NaOH at 30 rpm has the highest initial pH (7.96), and their final pH was similar to the others (6.89). The pH is a main parameter in coagulationflocculation process, due it can change the surface charge of the coagulant and/or contaminant; then, the starch obtained in the present study and used as natural coagulant is stable over a wide pH range and its use in real waters samples is recomended (Daverey, Tiwari and Dutta et al, 2018;Paredes et al, 2018).…”
Section: Experimental Designmentioning
confidence: 95%
“…These results are like those reported by Ganjidoust et al, (1997), a natural coagulant (chitosan) had the better effect than synthetic coagulants (HE and PEL) eliminating up to 90% of the colour and 70% of organic carbon. This phenomenon can be explained due to the high rate of formation of flocs of excellent characteristics during the process, by the electrolytic nature of the natural coagulant tested, which contributes to the appropriate and rapid sedimentation by the consistency and weight of the flocculated particles (Paredes et al, 2018). Table 2 shows the colour values on Platinum-Cobalt scale using Al 2 (SO 4 ) 3 as a coagulant.…”
Section: Starchmentioning
confidence: 99%