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Inorganic molecular sieves: Preparation, modification and industrial application in catalytic processes
The increasing environmental concern and promotion of “green processes” are forcing the
substitution of traditional acid and base homogeneous catalysts by solid ones. Among these …
substitution of traditional acid and base homogeneous catalysts by solid ones. Among these …
Deactivation of FCC catalysts
Over the course of the commercial fluid catalytic cracking (FCC), catalyst deactivation occurs
both reversibly, as a result of side reactions that eventually yields coke, and irreversibly, due …
both reversibly, as a result of side reactions that eventually yields coke, and irreversibly, due …
Understanding the enhancement of catalytic performance for olefin cracking: Hydrothermally stable acids in P/HZSM-5
Enhanced catalytic performance for C4 olefin cracking to propene and ethene was observed
on phosphorus-modified HZSM-5 treated in steam at 1073 K. Combining the results of 31P …
on phosphorus-modified HZSM-5 treated in steam at 1073 K. Combining the results of 31P …
The isomorphous substitution of Si (4Al) with P in FAU zeolite and its stabilization effect
Q Zhang, H Zhao, X Liu, R Li, T **a, Y Ma… - Chemical Engineering …, 2024 - Elsevier
It's a dream to make zeolites more stable so as to keep the activity and stability of the
catalyst. Phosphorus modification is an effective method, however, the known post …
catalyst. Phosphorus modification is an effective method, however, the known post …
Stabilization effect of phosphorus on steamed H-MFI zeolites
The effect of the introduction of phosphorus on H-MFI zeolite before and after hydrothermal
treatment was studied. The samples were characterized by XRF, nitrogen adsorption, 27Al …
treatment was studied. The samples were characterized by XRF, nitrogen adsorption, 27Al …
Local silico-aluminophosphate interfaces within phosphated H-ZSM-5 zeolites
HE Van Der Bij, BM Weckhuysen - Physical Chemistry Chemical …, 2014 - pubs.rsc.org
In order to elucidate phosphorus–zeolite H-ZSM-5 interactions, a variety of phosphorus-
modified zeolite H-ZSM-5 materials were studied in a multi-spectroscopic manner. By …
modified zeolite H-ZSM-5 materials were studied in a multi-spectroscopic manner. By …
Hexane Cracking over Steamed Phosphated Zeolite H‐ZSM‐5: Promotional Effect on Catalyst Performance and Stability
The nature behind the promotional effect of phosphorus on the catalytic performance and
hydrothermal stability of zeolite H‐ZSM‐5 has been studied using a combination of 27Al and …
hydrothermal stability of zeolite H‐ZSM‐5 has been studied using a combination of 27Al and …
Phosphatation of Zeolite H‐ZSM‐5: A Combined Microscopy and Spectroscopy Study
HE van der Bij, LR Aramburo, B Arstad… - …, 2014 - Wiley Online Library
A variety of phosphated zeolite H‐ZSM‐5 samples are investigated by using a combination
of Fourier transfer infrared (FTIR) spectroscopy, single pulse 27Al, 29Si, 31P, 1H‐31P cross …
of Fourier transfer infrared (FTIR) spectroscopy, single pulse 27Al, 29Si, 31P, 1H‐31P cross …
Deactivation of ZSM-5 zeolite during catalytic steam cracking of n-hexane
A Yamaguchi, D **, T Ikeda, K Sato, N Hiyoshi… - Fuel Processing …, 2014 - Elsevier
H-ZSM-5 catalyst was initially active for the steam cracking of n-hexane to produce
propylene and ethylene; however, the H-ZSM-5 catalyst deactivated. Understanding the …
propylene and ethylene; however, the H-ZSM-5 catalyst deactivated. Understanding the …
Synergistic effects of tungsten and phosphorus on catalytic cracking of butene to propene over HZSM-5
Synergistic catalysis effects among tungsten, phosphorus and HZSM-5 on 1-butene cracking
to propene and ethene have been demonstrated by catalytic tests. The tungsten …
to propene and ethene have been demonstrated by catalytic tests. The tungsten …