Reducción de Aluminio y huevos de Helminto contenidos en fangos deshidratados de una planta de tratamiento de aguas residuales, con procesos electroquímicos

Paola Jackeline Duque Sarango; María  Cáceres; Ana  Cando; Carla Gabriela Escandón Guachichullca; Fabiola Segarra; Anderson Fidel Zhingri Tenemea

doi:10.59410/RACYT-v07n03ep05-0102

Authors

Paola Duque Sarango Politecnica Salesiana University
María Cáceres Politecnica Salesiana University
Ana Cando Politecnica Salesiana University
Carla Escandón Politecnica Salesiana University
Fabiola Segarra Politecnica Salesiana University
Anderson Zhingri Politecnica Salesiana University https://orcid.org/0009-0007-3531-5917

DOI:

https://doi.org/10.59410/RACYT-v07n03ep05-0102

Keywords:

Residual sludge, electrochemistry, electro disinfection, helminth eggs, aluminum

Abstract

The present article studied the electrochemical treatment in waste sludge from a Wastewater Treatment Plant (WWTP) through the operation of a pilot plant, consisting of 3 tanks or electrolytic cells, whose electrodes were copper plates and graphite at different distances; 7.5, 15 and 12 cm in the tanks A, B and C respectively, in them approximately 6800 cm3 of hydrated sludge were placed with 12% sodium chloride. When the plates were in contact with the mud, they were exposed to a direct current of 12 volts, 4 samples were taken in each of the 3 tanks, which obey contact times of 1 to 4 hours. In the laboratory phase were measured: pH, conductivity, temperature, humidity, sodium hypochlorite and analyzed the reduction of the concentration of aluminum and helminth eggs after treatments. It was found that the percentage of residual aluminum is the same for any of the cells, whether it is A, B or C; however, cell B has a smaller dispersion according to the Levene statistic. A 100% removal of helminth eggs was also achieved in all trials.

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