Hydrodesulfurization and hydroconversion of heavy FCC gasoline on PtPd/H-USY zeolite

In the search for catalysts suitable for upgrading fractions of FCC gasoline, PtPd/USY zeolite was investigated. The objectives of the work were to reduce simultaneously the sulfur, nitrogen and aromatic contents of heavy FCC gasoline having various sulfur (30–203 ppmw) and 28 ppmw nitrogen contents...

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Bibliographic Details
Published in:Fuel processing technology 2005-07, Vol.86 (11), p.1151-1164
Main Authors: Magyar, Szabolcs, Hancsók, Jenő, Kalló, Dénes
Format: Article
Language:English
Subjects:
Alkene hydrogenation
Applied sciences
Aromatic saturation
Crude oil, natural gas and petroleum products
Energy
Energy. Thermal use of fuels
Exact sciences and technology
FCC gasoline
Fuels
Hydrodesulfurization
Processing of crude oil and oils from shales and tar sands. Processes. Equipment. Refinery and treatment units
Pt,Pd/USY zeolite
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Summary:In the search for catalysts suitable for upgrading fractions of FCC gasoline, PtPd/USY zeolite was investigated. The objectives of the work were to reduce simultaneously the sulfur, nitrogen and aromatic contents of heavy FCC gasoline having various sulfur (30–203 ppmw) and 28 ppmw nitrogen contents. The process conditions were the following: temperature: 200–300 °C; pressure: 30 bar; liquid hourly space velocity: 1.0–3.0 h −1; H 2/hydrocarbon ratio: 500 m 3/m 3. The results indicated that PtPd/H-USY zeolite catalyst can be applied for the desulfurization of heavy FCC gasoline up to 203 ppm sulfur content. When a base heavy FCC gasoline fraction of 30 ppmw sulfur content was used the catalyst was able to reduce the aromatic content by 14 abs.% as well as sulfur and nitrogen contents to
ISSN:0378-3820
1873-7188
DOI:10.1016/j.fuproc.2004.11.012