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Citation: Jiaxu Liu, Jilei Wang, Wei Zhou, Cuilan Miao, Guang Xiong, Qin Xin, Hongchen Guo. Construction of an operando dual-beam fourier transform infrared spectrometer and its application in the observation of isobutene reactions over nano-sized HZSM-5 zeolite[J]. Chinese Journal of Catalysis, ;2017, 38(1): 13-19. doi: 10.1016/S1872-2067(17)62751-7 shu

Construction of an operando dual-beam fourier transform infrared spectrometer and its application in the observation of isobutene reactions over nano-sized HZSM-5 zeolite

Jiaxu Liu ^a, ,
Jilei Wang ^a ,
Wei Zhou ^a ,
Cuilan Miao ^a ,
Guang Xiong ^a ,
Qin Xin ^b ,
Hongchen Guo ^a

a Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, Liaoning, China;
b State Key Laboratory for Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China

Received Date: 18 November 2016
Revised Date: 8 December 2016

Fund Project: This work was supported by the National Natural Science Foundation of China (21603023), and the PetroChina Innovation Foundation, China (2014D-5006-0501).

An operando dual-beam Fourier transform infrared (DB-FTIR) spectrometer was successfully de-veloped using a facile method. The DB-FTIR spectrometer is suitable for the real-time study of the dynamic surface processes involved in gas/solid heterogeneous catalysis under real reaction condi-tions because it can simultaneously collect reference and sample spectra. The influence of gas-phase molecular vibration and heat irradiation at real reaction temperatures can therefore be eliminated. The DB-FTIR spectrometer was successfully used to follow the transformation of isobutene over nano-sized HZSM-5 zeolite under real reaction conditions.
- Operando DB-FTIR,
- Gas-phase molecular vibration spectroscopy,
- Heat irradiation influence,
- Real-time spectrum,
- Real reaction condition,
- Heterogeneous catalysis,
- Aromatization,
- Nano-sized HZSM-5 zeolite
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