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- Title
Effect of the catalytic system and operating conditions on BTX formation using tetralin as a model molecule.
- Authors
Laredo, Georgina C.; Pérez-Romo, Patricia; Vega-Merino, Pedro M.; Arzate-Barbosa, Elva; García-López, Alfonso; Agueda-Rangel, Ricardo; Martínez-Moreno, Victor H.
- Abstract
Light cycle oil (LCO) is an inexpensive feedstock for the production of high-added-commercial-value-mono-aromatic compounds such as benzene, toluene and xylenes (BTX). To extend the knowledge on the processing of LCO for BTX production, the hydrocracking reaction was studied using a commercial NiMo/Al2O3 catalyst, ZSM-5 zeolite and their mechanical mixtures (20/80, 30/70 and 50/50) for processing tetralin as model feedstock in a bench-scale-trickle-bed reactor at 450–500 °C, 3.9–5.9 MPa, 1.3 1/h and H2/feed volume ratio of 168–267 m3/m3. Accessible, well-dispersed and strong Brönsted acid sites eased the hydrocracking of tetralin to BTX and the metallic hydrogenation functions from nickel–molybdenum catalysts were also required to minimize deactivation. To achieve suitable tetralin conversions (86–95 wt%), high BTX selectivity in the liquid phase (44–70 wt%) and suitable catalytic activities for coke precursor hydrogenation (to reduce deactivation), NiMo/Al2O3//ZSM-5 mixtures (50–80 ZSM-5) were employed, which probed to be effective.
- Subjects
MOLECULAR models; COKE (Coal product); BENZENE compounds; HYDROCRACKING; CATALYTIC activity; HYDROGENATION
- Publication
Applied Petrochemical Research, 2019, Vol 9, Issue 3/4, p185
- ISSN
2190-5525
- Publication type
Article
- DOI
10.1007/s13203-019-00237-4