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Sulfated zirconia as a novel and recyclable catalyst for removal of olefins from aromatics
Affiliation:1. A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation;2. N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation;3. Lyondell Chemical Co., Houston Technology Center, Channelview, 77530 TX, USA;4. Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation;1. Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, China;2. Key Laboratory of Coal Science and Technology MOE, Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, China;1. Department of Electrical Engineering, University of Isfahan, Isfahan, Iran;2. Department of Electrical Engineering, Urmia University, Urmia, Iran;3. Wireless Research Lab., ACRI, Electrical Engineering Department, Sharif University of Technology, Tehran, Iran;4. Department of Electrical Engineering, Azad South Tehran University, Tehran, Iran;1. Institute of Mechanical, Process & Energy Engineering, Heriot-Watt University, UK;2. Department of Mechanical Engineering, University of Engineering & Technology, Lahore (KSK Campus), Pakistan;1. Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, 10617, Taiwan;2. Annamacharya Institute of Technology and Sciences, Rajampeta, 516126, India
Abstract:A novel sulfated zirconia (ZrO2/SO42 ) catalyst was prepared and the catalytic property of this catalyst was compared with active clay and zeolite (USY) in removing olefins from aromatics. Pyridine-FTIR indicated that the abundance of Lewis acid centers on sulfated zirconia is a vital factor for its excellent catalytic activity. N2 adsorption analysis shows that sulfated zirconia is a promising mesopore catalyst material. The superior catalytic performance as well as efficient reusability demonstrated that sulfated zirconia possesses bright application prospects in industry.
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