Applicability of the electrocoagulation process in treating real municipal wastewater containing pharmaceutical active compounds.

Ensanoa Benny Marie B, Boreab Laura, Naddeo Vincenzo, Belgiorno Vincenzo, Luna Mark Daniel G. de, Balakrishnan Malini, Ballesteros Jr Florencio C.
Journal of Hazardous Materials: 361 (2019):367–373p.
2019

​In this study, the viability of using electrocoagulation process as a method for pharmaceuticals removal from real municipal wastewater was demonstrated. Batch experimental runs were performed using a simple laboratory scale electrochemical reactor with aluminium and stainless steel as anode and cathode, respectively. Diclofenac (DCF), carbamazepine (CBZ) and amoxicillin (AMX) were selected as representative of pharmaceuticals frequently detected in the aquatic environment. The effects of varying experimental parameters namely current density (0.3, 0.5 1.15 and 1.8 mA cm−2), initial pharmaceutical concentration (0.01, 4 and 10 mg L-1), electrolysis duration (3, 6 and 19 h) and application mode (continuous vs. intermittent) on pharmaceutical removal efficiencies were evaluated. High pharmaceutical abatement was recorded at elevated current density and prolonged electrolysis duration due to additional electro-generated coagulant species in solution.

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Waste water treatment
Electrocoagulation
Pharmaceutical active compounds
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