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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Braeutigam, Patrick Wang, Weimin Ondruschka, Bernd Zhang, Yongchun Ren, Yanze Franke, Marcus Wu, Zhilin |
| Description | Country affiliation: Germany Author Affiliation: Wu Z ( Institute for Technical Chemistry and Environmental Chemistry, Friedrich Schiller University of Jena, Lessingstr. 12, D-07745 Jena, Germany.) |
| Abstract | 800mL of 1.0mM phenol-containing aqueous solution was circulated at 20°C for 30 min in a suction-reactor, while 3.2 mg min(-1) ozone was introduced into the solution under the suction orifice. The removal rates of phenol vary polynomially with the orifice diameter as well as the suction pressure. The rate constant for the zero-order kinetics achieves the highest value at -0.070 MPa by using 5mm orifice. Although the suction-cavitation alone cannot remove phenol in 30 min, it can considerably enhance the ozonation of phenol. The rate constants for the zero-order kinetics by the simple ozonation and the combined method are 0.018 and 0.028 min(-1), respectively. Furthermore, no ozone was observed in the tail gas during the first 15 min for the ozonation in the suction reactor, and then the concentration of unreacted ozone slowly increased, indicating that the utilization rate of ozone is significantly improved by the suction-cavitation. The increasing input concentration of ozone obviously accelerates the ozonation of phenol, but the total required quantities of ozone are very close by various ozone input concentrations to reach the same degradation rate, indicating the ozonation assisted by the suction-cavitation can be considered as a quantitative reaction. |
| ISSN | 03043894 |
| Issue Number | 1-3 |
| Journal | Journal of Hazardous Materials |
| Volume Number | 190 |
| e-ISSN | 18733336 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2011-06-15 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ozone Chemistry Phenol Kinetics Pressure Suction Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Pollution Waste Management and Disposal Health, Toxicology and Mutagenesis Environmental Engineering |
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