Structure and Activity of Ni2P/Desilicated Zeolite β Catalysts for Hydrocracking of Pyrolysis Fuel Oil into Benzene, Toluene, and Xylene

The effects of desilication (DS) of the zeolite β on the hydrocracking of polycyclic aromatics were investigated using the Ni2P/β catalysts. The Ni2P/β catalysts were obtained by the temperature-programmed reduction (TPR) metho...

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Main Authors:	Yong-Su Kim, Kye-Sung Cho, Yong-Kul Lee
Format:	Article
Language:	English
Published:	MDPI AG 2020-01-01
Series:	Catalysts
Subjects:	ni<sub>2</sub>p zeolite β desilication hydrocracking polycyclic hydrocarbons btx
Online Access:	https://www.mdpi.com/2073-4344/10/1/47

id	doaj-883ed7dabf83492a8f82b0e5ed2b73f3
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spelling	doaj-883ed7dabf83492a8f82b0e5ed2b73f32020-11-25T01:38:06ZengMDPI AGCatalysts2073-43442020-01-011014710.3390/catal10010047catal10010047Structure and Activity of Ni<sub>2</sub>P/Desilicated Zeolite β Catalysts for Hydrocracking of Pyrolysis Fuel Oil into Benzene, Toluene, and XyleneYong-Su Kim0Kye-Sung Cho1Yong-Kul Lee2Laboratory of Advanced Catalysis for Energy and Environment, Department of Chemical Engineering, Dankook University, 152 Jukjeonro, Yongin 16890, KoreaLaboratory of Advanced Catalysis for Energy and Environment, Department of Chemical Engineering, Dankook University, 152 Jukjeonro, Yongin 16890, KoreaLaboratory of Advanced Catalysis for Energy and Environment, Department of Chemical Engineering, Dankook University, 152 Jukjeonro, Yongin 16890, KoreaThe effects of desilication (DS) of the zeolite β on the hydrocracking of polycyclic aromatics were investigated using the Ni<sub>2</sub>P/β catalysts. The Ni<sub>2</sub>P/β catalysts were obtained by the temperature-programmed reduction (TPR) method, and the physical and chemical properties were examined by N<sub>2</sub> physisorption, X-ray diffraction (XRD), <sup>27</sup>Al magic angle spinning−nuclear magnetic resonance (<sup>27</sup>Al MAS NMR), extended X-ray absorption fine structure (EXAFS), isopropyl amine (IPA) and NH<sub>3</sub> temperature-programmed desorption (TPD), CO uptake, and thermogravimetric analysis (TGA). The catalytic activity was examined at 653 K and 6.0 MPa in a continuous fixed bed reactor for the hydrocracking (HCK) of model compounds of 1-methylnaphthalene (1-MN) and phenanthrene or a real feedstock of pyrolysis fuel oil (PFO). Overall, the Ni<sub>2</sub>P/DS-β was observed as more active and stable in the hydrocracking of polycyclic aromatics than the Ni<sub>2</sub>P/β catalyst. In addition, the Ni<sub>2</sub>P/β suffered from the coke formation, while the Ni<sub>2</sub>P/DS-β maintained the catalytic stability, particularly in the presence of large polycyclic hydrocarbons in the feed.https://www.mdpi.com/2073-4344/10/1/47ni<sub>2</sub>pzeolite βdesilicationhydrocrackingpolycyclic hydrocarbonsbtx
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Yong-Su Kim Kye-Sung Cho Yong-Kul Lee
spellingShingle	Yong-Su Kim Kye-Sung Cho Yong-Kul Lee Structure and Activity of Ni<sub>2</sub>P/Desilicated Zeolite β Catalysts for Hydrocracking of Pyrolysis Fuel Oil into Benzene, Toluene, and Xylene Catalysts ni<sub>2</sub>p zeolite β desilication hydrocracking polycyclic hydrocarbons btx
author_facet	Yong-Su Kim Kye-Sung Cho Yong-Kul Lee
author_sort	Yong-Su Kim
title	Structure and Activity of Ni<sub>2</sub>P/Desilicated Zeolite β Catalysts for Hydrocracking of Pyrolysis Fuel Oil into Benzene, Toluene, and Xylene
title_short	Structure and Activity of Ni<sub>2</sub>P/Desilicated Zeolite β Catalysts for Hydrocracking of Pyrolysis Fuel Oil into Benzene, Toluene, and Xylene
title_full	Structure and Activity of Ni<sub>2</sub>P/Desilicated Zeolite β Catalysts for Hydrocracking of Pyrolysis Fuel Oil into Benzene, Toluene, and Xylene
title_fullStr	Structure and Activity of Ni<sub>2</sub>P/Desilicated Zeolite β Catalysts for Hydrocracking of Pyrolysis Fuel Oil into Benzene, Toluene, and Xylene
title_full_unstemmed	Structure and Activity of Ni<sub>2</sub>P/Desilicated Zeolite β Catalysts for Hydrocracking of Pyrolysis Fuel Oil into Benzene, Toluene, and Xylene
title_sort	structure and activity of ni<sub>2</sub>p/desilicated zeolite β catalysts for hydrocracking of pyrolysis fuel oil into benzene, toluene, and xylene
publisher	MDPI AG
series	Catalysts
issn	2073-4344
publishDate	2020-01-01
description	The effects of desilication (DS) of the zeolite β on the hydrocracking of polycyclic aromatics were investigated using the Ni<sub>2</sub>P/β catalysts. The Ni<sub>2</sub>P/β catalysts were obtained by the temperature-programmed reduction (TPR) method, and the physical and chemical properties were examined by N<sub>2</sub> physisorption, X-ray diffraction (XRD), <sup>27</sup>Al magic angle spinning−nuclear magnetic resonance (<sup>27</sup>Al MAS NMR), extended X-ray absorption fine structure (EXAFS), isopropyl amine (IPA) and NH<sub>3</sub> temperature-programmed desorption (TPD), CO uptake, and thermogravimetric analysis (TGA). The catalytic activity was examined at 653 K and 6.0 MPa in a continuous fixed bed reactor for the hydrocracking (HCK) of model compounds of 1-methylnaphthalene (1-MN) and phenanthrene or a real feedstock of pyrolysis fuel oil (PFO). Overall, the Ni<sub>2</sub>P/DS-β was observed as more active and stable in the hydrocracking of polycyclic aromatics than the Ni<sub>2</sub>P/β catalyst. In addition, the Ni<sub>2</sub>P/β suffered from the coke formation, while the Ni<sub>2</sub>P/DS-β maintained the catalytic stability, particularly in the presence of large polycyclic hydrocarbons in the feed.
topic	ni<sub>2</sub>p zeolite β desilication hydrocracking polycyclic hydrocarbons btx
url	https://www.mdpi.com/2073-4344/10/1/47
work_keys_str_mv	AT yongsukim structureandactivityofnisub2subpdesilicatedzeolitebcatalystsforhydrocrackingofpyrolysisfueloilintobenzenetolueneandxylene AT kyesungcho structureandactivityofnisub2subpdesilicatedzeolitebcatalystsforhydrocrackingofpyrolysisfueloilintobenzenetolueneandxylene AT yongkullee structureandactivityofnisub2subpdesilicatedzeolitebcatalystsforhydrocrackingofpyrolysisfueloilintobenzenetolueneandxylene
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Structure and Activity of Ni<sub>2</sub>P/Desilicated Zeolite β Catalysts for Hydrocracking of Pyrolysis Fuel Oil into Benzene, Toluene, and Xylene

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