1. A Comparative Study: Degradation of 2,5-Dichlorophenol in Wastewater and Distilled Water by Ozone and Ozone-UV.
- Author
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Alexander, Jacqueline C. and Ramírez-Cortina, Clementina R.
- Subjects
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DICHLOROPHENOLS , *CHLOROPHENOL biodegradation , *WASTEWATER treatment , *OXIDATION of chlorophenols , *CHLOROPHENOLS , *OZONIZATION of water ,ENVIRONMENTAL aspects - Abstract
The effectiveness of ozone and ozone-UV processes on effluents containing chlorophenol was evaluated. Experiments were performed using 3.06 mM of 2,5-dichlorophenol in distilled water and wastewater at pH 7 with ozone dose of 37 mg/L. An ozone dose of 1.2 g/h was effective in completely degrading 2,5-dichlorophenol and reducing the toxicity of its by-products. Overall, ozone-UV process was more effective in the oxidation of 2,5-DCP. Ozone-UV treatment of wastewater showed the highest mineralization (53%), dechlorination (100%), COD removal (75%), and biodegradability (BOD5/COD = 0.85). The organic/inorganic matters in wastewater seem to have a positive effect on the oxidation of 2,5-DCP and supports the use of ozone and ozone-UV processes for industrial effluent treatment. [ABSTRACT FROM AUTHOR]
- Published
- 2016
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