Volume 84, Issue 1, April 2026, Pages 42–49
Judith Chalen-Medina1, Kerly Fun Sang-Robinson2, Andrez Villamar-Cardenas3, Gino Flor-Chavez4, Elsy Suarez-Rodríguez5, and Ana Valero Arias6
1 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
2 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
3 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
4 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
5 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
6 Departamento de Química Sanitaria, Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Ecuador
Original language: English
Copyright © 2026 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The present study focuses on the treatment of industrial effluent from the manufacturing of organic insecticides based on vegetable oil in the Guayas province, Yaguachi canton. Flow rates and composite samples were collected to determine the physicochemical characteristics and contaminant load based on the chemical oxygen demand (COD) and biochemical oxygen demand (BOD). A pilot treatment was developed using an investigative method, and based on the data obtained from the analyses, the treatment processes were determined, including a grease trap, an activated sludge biological reactor, tertiary treatment through filtration, and a sludge drying bed. The study demonstrated that applying these treatability processes ensures that the effluent complies with the discharge limits for marine water bodies as per the Unified Text of Secondary Legislation on the Environment (TULSMA).
Author Keywords: treatment plant, wastewater, organic insecticides, permissible limits, laboratory.
Judith Chalen-Medina1, Kerly Fun Sang-Robinson2, Andrez Villamar-Cardenas3, Gino Flor-Chavez4, Elsy Suarez-Rodríguez5, and Ana Valero Arias6
1 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
2 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
3 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
4 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
5 Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Guayas, Ecuador
6 Departamento de Química Sanitaria, Carrera de Ingeniería Civil, Universidad de Guayaquil, Guayaquil, Ecuador
Original language: English
Copyright © 2026 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The present study focuses on the treatment of industrial effluent from the manufacturing of organic insecticides based on vegetable oil in the Guayas province, Yaguachi canton. Flow rates and composite samples were collected to determine the physicochemical characteristics and contaminant load based on the chemical oxygen demand (COD) and biochemical oxygen demand (BOD). A pilot treatment was developed using an investigative method, and based on the data obtained from the analyses, the treatment processes were determined, including a grease trap, an activated sludge biological reactor, tertiary treatment through filtration, and a sludge drying bed. The study demonstrated that applying these treatability processes ensures that the effluent complies with the discharge limits for marine water bodies as per the Unified Text of Secondary Legislation on the Environment (TULSMA).
Author Keywords: treatment plant, wastewater, organic insecticides, permissible limits, laboratory.
How to Cite this Article
Judith Chalen-Medina, Kerly Fun Sang-Robinson, Andrez Villamar-Cardenas, Gino Flor-Chavez, Elsy Suarez-Rodríguez, and Ana Valero Arias, “Study for the treatment of industrial effluent from organic agrochemical insecticides,” International Journal of Innovation and Scientific Research, vol. 84, no. 1, pp. 42–49, April 2026.
