2017
DOI: 10.20937/rica.2017.33.esp01.11
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EVALUATION OF THE COAGULANT CAPACITY OF STARCH OBTAINED FROM TOPOCHO PELIPITA PLANTAIN CLONE (Musa ABB) FOR TURBIDITY AND COLOR REMOVAL IN RAW WATERS

Abstract: Flocculation and coagulation of organic material contained in raw water samples were evaluated by using starch as coagulation agent. The starch was obtained from topocho pelita (Musa ABB) plantain clone, which is grown in the south area of the department of Bolivar, Colombia. Native starch (NS) was chemically modified with acetic anhydride obtaining an 18.3 % degree of acetylation (low acetylated starch, LAS) and 23.7 % (high acetylated starch, HAS). The chemical structure of these biomaterials was analysed by… Show more

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Cited by 6 publications
(2 citation statements)
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“…Previous work found in the literature shows that the coagulant obtained from Plantago ovata at a dosage of 0.250 mg L -1 showed turbidity removal of 36% and 99%, respectively, when using crude and treated extract (Ramavandi, 2014). Tirado et al (2017) applied higher dosages (5-200 mg L -1 ) of starch obtained from Musa ABB as a coagulant and achieved color and turbidity removals from 90 to 99%. 9 The difference in results when compared to this work could be due to the higher dosages used by the authors.…”
Section: Results Of the Tests With Zygia Cauliflora (Willd) Killip As A Potential Natural Coagulantmentioning
confidence: 85%
“…Previous work found in the literature shows that the coagulant obtained from Plantago ovata at a dosage of 0.250 mg L -1 showed turbidity removal of 36% and 99%, respectively, when using crude and treated extract (Ramavandi, 2014). Tirado et al (2017) applied higher dosages (5-200 mg L -1 ) of starch obtained from Musa ABB as a coagulant and achieved color and turbidity removals from 90 to 99%. 9 The difference in results when compared to this work could be due to the higher dosages used by the authors.…”
Section: Results Of the Tests With Zygia Cauliflora (Willd) Killip As A Potential Natural Coagulantmentioning
confidence: 85%
“…En el departamento de Bolívar-Colombia, durante el año 2017, a fin de remover la turbidez del agua del Canal del Dique ubicado en Arjona, se realizó una investigación que determinó la capacidad coagulante de dos sustancias naturales, almidón nativo de plátano del clon topocho pelipita (Musa ABB) y almidón modificado químicamente con anhídrido acético. Con una dosis de 200 mg/L el almidón nativo alcanza una remoción de turbidez del 96%, mientras que el almidón modificado remueve un 95% (Tirado et al, 2017). Los anteriores resultados demuestran la efectividad de los almidones sin modificar, como parte fundamental de un proceso "verde" que disminuya el uso de sustancias químicas para la clarificación del agua.…”
Section: Introductionunclassified