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P‐Chlorophenol Wastewater Treatment by Microwave‐Enhanced Catalytic Wet Peroxide Oxidation
A microwave‐enhanced catalytic wet peroxide oxidation (MW‐CWPO) technology was investigated to treat a high concentration of P‐chlorophenol wastewater under a mild condition. The MW‐CWPO experiments were carried out in a microwave autoclave using copper(II) oxide (CuO)‐loaded active carbon as a catalyst. The P‐chlorophenol was directly ring‐opened within 5 minutes at 343 K and 0.3 MPa and then mineralized to carbon dioxide and water. More than 90% of the total organic carbon was removed within 15 minutes. The reaction activation energy (Ea) of hydrogen peroxide (H2O2) decomposition was decreased from 47.7 to 43.1 kJ/mol under microwave irradiation. The H2O2 catalytic decomposition was fitted to a second‐order reaction under microwave irradiation, while it followed a first‐order reaction without microwave irradiation. The experimental results indicate that the MW‐CWPO method has significant potential applications for a high concentration of P‐chlorophenol wastewater.
P‐Chlorophenol Wastewater Treatment by Microwave‐Enhanced Catalytic Wet Peroxide Oxidation
A microwave‐enhanced catalytic wet peroxide oxidation (MW‐CWPO) technology was investigated to treat a high concentration of P‐chlorophenol wastewater under a mild condition. The MW‐CWPO experiments were carried out in a microwave autoclave using copper(II) oxide (CuO)‐loaded active carbon as a catalyst. The P‐chlorophenol was directly ring‐opened within 5 minutes at 343 K and 0.3 MPa and then mineralized to carbon dioxide and water. More than 90% of the total organic carbon was removed within 15 minutes. The reaction activation energy (Ea) of hydrogen peroxide (H2O2) decomposition was decreased from 47.7 to 43.1 kJ/mol under microwave irradiation. The H2O2 catalytic decomposition was fitted to a second‐order reaction under microwave irradiation, while it followed a first‐order reaction without microwave irradiation. The experimental results indicate that the MW‐CWPO method has significant potential applications for a high concentration of P‐chlorophenol wastewater.
P‐Chlorophenol Wastewater Treatment by Microwave‐Enhanced Catalytic Wet Peroxide Oxidation
Zhao, Guohua (author) / Lv, Baoying (author) / Jin, Yan (author) / Li, Dongming (author)
Water Environment Research ; 82 ; 120-127
2010-02-01
8 pages
Article (Journal)
Electronic Resource
English
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