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Objective: Conduct a comparative study of the clarification process of a natural wetland using two coagulants, aluminum sulfate and potato peel (Solanum tuberosum L). Methodology: Initially, the agroindustrial waste was collected from different fast-food establishments and restaurants in the city of Barranquilla, where it is usually discarded. Potato peel is washed, dried and ground. The powder obtained was screened and packed tightly in a glass jar to be used as a coagulant. Aluminum sulfate was obtained commercially. Water samples are collected from the Cienaga de Malambo by simple sampling. To remove its turbidity, a jug test was performed that simulated the coagulation, flocculation and sedimentation processes, taking as a reference the parameters established in NTC 3903 of 2010, using each coagulant. Results: The water under study had an initial turbidity of 59.60 UNT. The greatest removal of this parameter was obtained with a dose of 40 mg / L aluminum sulfate (92.51%); while the natural coagulant removed 81.32% when using a dose of 10 mg / L.  Conclusions: It was determined that the doses of coagulants, aluminum sulfate and potato peel, used in this investigation influenced the turbidity of the water of the swamp, impulse to the study and use of the potato peel as a viable alternative in the treatment of water.

Uso de las cáscaras de papa (Solanum tuberosum L) en la clarificación del agua de la Ciénaga de Malambo