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SO42−–Mn–Co–Ce supported on TiO2/SiO2 with high sulfur durability for low-temperature SCR of NO with NH3

SO42−–Mn–Co–Ce supported on TiO2/SiO2 with high sulfur durability for low-temperature SCR of NO with NH3

Catalysis communications
ISSN：1566-7367
2016年第78卷第期
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1. State Key Laboratory of New Ceramics & Fine Process, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;2. The Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;3. Advanced Materials Institute, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China;1. Key Laboratory of Reservoir Aquatic Environment of CAS, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China;2. Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, Jiangsu, China;3. Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China;4. Chongqing Key Laboratory of Environmental Materials and Remediation Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China;5. Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, Fujian, China;1. School of Petrochemical Engineering, Changzhou University, Changzhou 213164, PR China;2. Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, PR China;1. School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai, 201418, China;2. State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, China;1. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin 150080, PR China;2. Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, Harbin Engineering University, 150001, PR China


The catalysts SO42 − Mn–Co–Ce/TiO2/SiO2 were investigated for the low-temperature SCR of NO with NH3 in the presence of SO2. An excellent SO2 durability at low temperature was obtained with the catalyst used TiO2/SiO2 as support and modified with SO42 −. The catalyst sulfated with 0.1 mol/L H2SO4 solution and then calcined at 300 °C exhibited the best NOx conversion efficiency of 99.5% at 250 °C in the presence of 50 ppm SO2. The conversion efficiency did not decrease after repeatedly used for 8 times.

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Catalysis communications
ISSN：1566-7367
2016年第78卷第期
关 注

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