Removal of Chlorpyrifos from Aqueous Solution Using Electrocoagulation.

Document Type : Research Studies

Authors

1 Demonstrator, Faculty of engineering, MISR Engineering & Technology, Egypt

2 Lecturer, Public Works Dept., Faculty of engineering, Mansoura University, Egyp

3 Associate Professor, Public Works Dept., Faculty of engineering, Mansoura University, Egypt

Abstract

he study investigates the use of electrocoagulation method for the removal of high concentrations of Chlorpyrifos pesticide under different operational conditions. The operational conditions such as high pesticides concentration (800, 1200, 1600, and 2000mg/l), applied voltage (5, 10, and 15V), initial feed solution TDS (650, 900, and 1300mg/l), and initial pH (5.0, 7.0, and 9.0) was applied to the system. The other secondary parameters such as temperature and space between electrodes have been kept constant. The removal efficiency was found to be greater than 90%, for high voltage applied 10 and 15V at operational time of 30 minutes. Further, the removal efficiency was found to be greater than 90%, for high TDS solution 900 and 1300mg/l at operational time of 40 minutes. The optimum pH for the removal of Chlorpyrifos pesticide by EC technology was found to be 7±0.5. EC technology has proven to be an effective process for the removal of Chlorpyrifos pesticide

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