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Advanced treatment of pomace olive oil wastewater through peroxy-electrocoagulation
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Resumo(s)
The extraction of olive pomace oil is a significant aspect of the Mediterranean edible oil industry; however, the wastewater generated contains pollutants that can harm the environment and public health. In this study, peroxi-electrocoagulation (PEC) with aluminum electrodes was used to treat wastewater and reduce pollutant concentrations. A Box-Behnken Design study was conducted to investigate the relationship between hydrogen peroxide dosage, electric current density, and initial pH in the PEC process, and the
removal of chemical oxygen demand (COD) and total phenolic compounds (TPh). The study found that the PEC process could remove an average of 22% of COD and 82% of TPh, with the highest removal obtained with hydrogen peroxide dosages of 30 g L -1 and 20 mA cm -2. However, pre-treatment with other processes is necessary to reduce harmful elements in the effluent before undergoing biological treatment.
Descrição
Palavras-chave
COD Removal Industrial Wastewater Peroxy-Electrocoagulation Pomace Olive Oil Total Phenolic Compounds Removal
Contexto Educativo
Citação
Martins, Ramiro; Grabowski, Tais (2023). Advanced treatment of pomace olive oil wastewater through peroxy-electrocoagulation. Journal of Jilin University. ISSN 1671-5497. 42, p. 27-34