Several PPCPs/EDCs are being detected in surface drinking water sources, which is a great concern. The efficacy of ozonation in oxidizing 13 PPCPs/EDCs frequently detected in the Detroit River watershed was examined at pilot scale in the current study. Pilot-scale experiments were conducted at ozone dosages varying between 0.3 and 1.5 mg/L with the 13 PPCPs/ EDCs spiked in raw water obtained from the Detroit River. For 10 of the 13 PPCPs/EDCs with a high reaction rate with ozone (Group A), average oxidation efficiencies exceeded 95% for all ozone dosages at a contact time of 8.6 min. For chemicals with low to moderate reaction rate with molecular ozone (Group B), the observed oxidations were variable and ranged between 3 and 62% for ibuprofen and clorfibric acid and between 28 and >99% for bezafibrate under the same conditions. For the Group B chemicals, the oxidation increased with increasing ozone exposure and was significantly influenced by the quality of raw water.
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Research Article|
December 01 2009
Evaluation of pilot-scale oxidation of several PPCPs/EDCs (pharmaceuticals and personal care products/endocrine disrupting compounds) during drinking water ozonation treatment
Chaoyang Yue;
1Civil and Environmental Engineering, University of Windsor, 401 Sunset Avenue, Windsor ON, N9B 3P4, Canada E-mail: yuechaoyang@yahoo.com; rseth@uwindsor.ca
E-mail: yuechaoyang@yahoo.com
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Rajesh Seth;
Rajesh Seth
1Civil and Environmental Engineering, University of Windsor, 401 Sunset Avenue, Windsor ON, N9B 3P4, Canada E-mail: yuechaoyang@yahoo.com; rseth@uwindsor.ca
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Shahram Tabe;
Shahram Tabe
1Civil and Environmental Engineering, University of Windsor, 401 Sunset Avenue, Windsor ON, N9B 3P4, Canada E-mail: yuechaoyang@yahoo.com; rseth@uwindsor.ca
2Ministry of the Environment, Standards Development Branch, 40 St. Clair Avenue West, Toronto ON, M4V 1M2, Canada E-mail: sharam.tabe@ontario.ca; taher.jamal@ontario.ca
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Xiaoming Zhao;
Xiaoming Zhao
3Ministry of the Environment, Laboratory Services Branch, 125 Resources Road, Etobicoke ON, M9P 3V6, Canada E-mail: xiaoming.zhao@ontario.ca; chunyan.hao@ontario.ca; paul.yang@ontario.ca
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Chunyan Hao;
Chunyan Hao
3Ministry of the Environment, Laboratory Services Branch, 125 Resources Road, Etobicoke ON, M9P 3V6, Canada E-mail: xiaoming.zhao@ontario.ca; chunyan.hao@ontario.ca; paul.yang@ontario.ca
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Paul Yang;
Paul Yang
3Ministry of the Environment, Laboratory Services Branch, 125 Resources Road, Etobicoke ON, M9P 3V6, Canada E-mail: xiaoming.zhao@ontario.ca; chunyan.hao@ontario.ca; paul.yang@ontario.ca
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Linda Schweitzer;
Linda Schweitzer
4Chemistry Department, Oakland University, 289 Science and Engineering Building, Rochester MI, 48309-4477, USA E-mail: schweitz@oakland.edu
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Taher Jamal
Taher Jamal
2Ministry of the Environment, Standards Development Branch, 40 St. Clair Avenue West, Toronto ON, M4V 1M2, Canada E-mail: sharam.tabe@ontario.ca; taher.jamal@ontario.ca
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Water Supply (2009) 9 (5): 577–582.
Citation
Chaoyang Yue, Rajesh Seth, Shahram Tabe, Xiaoming Zhao, Chunyan Hao, Paul Yang, Linda Schweitzer, Taher Jamal; Evaluation of pilot-scale oxidation of several PPCPs/EDCs (pharmaceuticals and personal care products/endocrine disrupting compounds) during drinking water ozonation treatment. Water Supply 1 December 2009; 9 (5): 577–582. doi: https://doi.org/10.2166/ws.2009.573
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