Synergetic catalytic removal of Hg0 and NO over CeO2(ZrO2)/TiO2 |
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| Affiliation: | 1. Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Materials Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, China;2. Shandong Gem-sky Environmental Technology CO., LTD., Zibo, Shandong 255086, China;1. Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China;2. State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China;3. Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada |
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| Abstract: | A series of CeO2(ZrO2)/TiO2 monolith catalysts were investigated for catalytic oxidation of Hg0 and NH3-SCR of NO. Effect of flue gases components on catalytic oxidation of Hg0 was mainly studied. Results showed that the CeO2(ZrO2)/TiO2 catalyst exhibited high efficiency for catalytic oxidation of Hg0 at 240–400 °C without adding other oxidant, and its catalytic performance for NH3-SCR of NO was not affected. NH3 had slight inhibitory effect while SO2 and NO had no influence on catalytic oxidation of Hg0, but O2 obviously improved catalytic oxidation of Hg0 for its oxidation susceptibility. |
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