Enhanced production of high octane gasoline blending stock from methanol with improved catalyst life on nano-crystalline ZSM-5 catalyst |
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| Affiliation: | 1. Catalysis and Conversion Process Division, CSIR-Indian Institute of Petroleum, Dehradun 248005, India;2. Department of Petroleum and Chemical Engineering, Sultan Qaboos University, Muscat, Oman;1. Egyptian Petroleum Research Institute (EPRI), 11727 Cairo, Egypt;2. Chemistry Department, Faculty of Science, El-Zagazig University, Egypt;1. North China Electric Power University, Beijing102206, China;2. Princeton Environmental Institute, Princeton University, Guyot Hall, Washington Road, Princeton, NJ, 08544, USA;1. Shandong Provincial Key Laboratory of Fine Chemicals, Qilu University of Technology, Daxue Road 3501, Changqing District, Jinan, 250353, China;2. College of Materials Science and Engineering, Qingdao University of Science and Technology, No. 53 Zhengzhou Road, Shibei District, Qingdao, 266042, China;1. Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;2. University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | Methanol value addition reaction has been studied on lab-synthesized nano-crystalline ZSM-5, Si/Al = 13 (NZ) possessing particle size of ∼29–51 nm and a micro-crystalline ZSM-5 (MZ) of similar atomic ratio is also taken as standard for comparison studies. The NZ sample exhibited excellent catalytic activity to produce 50.7 wt.% of high octane (Research Octane Number = 137) gasoline blending stock rich in desired toluene and xylene components, while the undesired benzene is very low, suitable for fuel applications. The superior performance of NZ to MZ catalyst reflected in three fold increase in gasoline yield and considerably high time-on-stream performance. |
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| Keywords: | Octane boosting Methanol Acidity Micropores Mesopores |
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