Catalytic behavior in propane aromatization using GA-MFI catalyst

Alfredo Aloise; Enrico Catizzone; Massimo Migliori; Jànos B. Nagy; Girolamo Giordano

doi:10.1016/j.cjche.2017.04.016

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Catalytic behavior in propane aromatization using GA-MFI catalyst

第25届中国过程控制会议专栏 | Updated：2026-01-06

- Catalytic behavior in propane aromatization using GA-MFI catalyst
- Chinese Journal of Chemical Engineering Vol. 25, Issue 12, Pages: 1863-1870(2017)
- Affiliations：
  
  University of Calabria, Department of Environmental and Chemical Engineering, Via P. Bucci,- Rende, CS,I,Italy,87036
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.04.016
  CLC：
- Published：2017
- Accepted：
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Alfredo Aloise, Enrico Catizzone, Massimo Migliori, Jànos B. Nagy, Girolamo Giordano. Catalytic behavior in propane aromatization using GA-MFI catalyst[J]. Chin.J.Chem.Eng., 2017, 25(12): 1863-1870.
DOI：

Alfredo Aloise, Enrico Catizzone, Massimo Migliori, Jànos B. Nagy, Girolamo Giordano. Catalytic behavior in propane aromatization using GA-MFI catalyst[J]. Chin.J.Chem.Eng., 2017, 25(12): 1863-1870. DOI： 10.1016/j.cjche.2017.04.016.

摘要

Abstract

Ga-Al-MFI samples were synthesized in hydrothermal conditions from gels of composition 1.08CH

- 0.134TPABr-1SiO

-xAl

-yGa

-40H

O at 175 ℃ for 7 days

with x = 0.005 and 0.0025

y = 0.005

0.010 and 0.020. The samples were characterized by XRD

BET measurements

thermal analysis (TGA-DTA) atomic absorption and high resolution solid state MAS

Al and

Ga NMRmeasurements. The aromatization of propane was studied as catalytic test. The activity and selectivity of the catalysts were determined for benzene

toluene and xylenes on the one hand and for methane and ethane on the other hand. The most active sample was obtained with the highest Ga/Al ratio. For this sample

the BTX selectivity obtained by aromatizationwas always higher than the hydrocracking selectivity leading tomethane and ethane. The relative amount of toluenewas higher than that of benzene and of xylenes. The samples were deactivated by coke formation thatwas revealedmore severe for the most active sample.

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