Noble metal catalysts for low-temperature naphthalene hydrogenation in the presence of benzothiophene

Shawn D. Lin; Chunshan Song

doi:10.1016/0920-5861(96)00038-7

Noble metal catalysts for low-temperature naphthalene hydrogenation in the presence of benzothiophene

Shawn D. Lin, Chunshan Song

Research output: Contribution to journal › Article › peer-review

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Abstract

Pt/Al₂O₃, Pd/Al₂,O₃. and Pd/TiO₂ catalysts were compared to a commercial hydrotreating catalyst, NiMo/Al₂O₃, for naphthalene hydrogenation inside tubing bombs at 553 K with a cold feed (at room temperature) of 6.99 MPa H₂ and tridecane as the solvent. The noble metal catalysts were found to be significantly more active than NiMo/Al₂O₃. A further study at a reaction temperature of 473 K showed that naphthalene hydrogenation over these noble metal catalysts can proceed even in the presence of benzothiophene at a concentration of 4200 ppm. Sulfur addition does decrease the activity of all the noble metal catalysts. However, Pd catalysts appear to have higher sulfur resistance than the Pt catalyst; Pd/TiO₂ catalyst was found to be the most active and the least affected by benzothiophene among the three noble metal catalysts studied.

Original language	English (US)
Pages (from-to)	93-104
Number of pages	12
Journal	Catalysis Today
Volume	31
Issue number	1-2
DOIs	https://doi.org/10.1016/0920-5861(96)00038-7
State	Published - Sep 5 1996

All Science Journal Classification (ASJC) codes

Catalysis
General Chemistry

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10.1016/0920-5861(96)00038-7

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title = "Noble metal catalysts for low-temperature naphthalene hydrogenation in the presence of benzothiophene",

abstract = "Pt/Al2O3, Pd/Al2,O3. and Pd/TiO2 catalysts were compared to a commercial hydrotreating catalyst, NiMo/Al2O3, for naphthalene hydrogenation inside tubing bombs at 553 K with a cold feed (at room temperature) of 6.99 MPa H2 and tridecane as the solvent. The noble metal catalysts were found to be significantly more active than NiMo/Al2O3. A further study at a reaction temperature of 473 K showed that naphthalene hydrogenation over these noble metal catalysts can proceed even in the presence of benzothiophene at a concentration of 4200 ppm. Sulfur addition does decrease the activity of all the noble metal catalysts. However, Pd catalysts appear to have higher sulfur resistance than the Pt catalyst; Pd/TiO2 catalyst was found to be the most active and the least affected by benzothiophene among the three noble metal catalysts studied.",

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N2 - Pt/Al2O3, Pd/Al2,O3. and Pd/TiO2 catalysts were compared to a commercial hydrotreating catalyst, NiMo/Al2O3, for naphthalene hydrogenation inside tubing bombs at 553 K with a cold feed (at room temperature) of 6.99 MPa H2 and tridecane as the solvent. The noble metal catalysts were found to be significantly more active than NiMo/Al2O3. A further study at a reaction temperature of 473 K showed that naphthalene hydrogenation over these noble metal catalysts can proceed even in the presence of benzothiophene at a concentration of 4200 ppm. Sulfur addition does decrease the activity of all the noble metal catalysts. However, Pd catalysts appear to have higher sulfur resistance than the Pt catalyst; Pd/TiO2 catalyst was found to be the most active and the least affected by benzothiophene among the three noble metal catalysts studied.

AB - Pt/Al2O3, Pd/Al2,O3. and Pd/TiO2 catalysts were compared to a commercial hydrotreating catalyst, NiMo/Al2O3, for naphthalene hydrogenation inside tubing bombs at 553 K with a cold feed (at room temperature) of 6.99 MPa H2 and tridecane as the solvent. The noble metal catalysts were found to be significantly more active than NiMo/Al2O3. A further study at a reaction temperature of 473 K showed that naphthalene hydrogenation over these noble metal catalysts can proceed even in the presence of benzothiophene at a concentration of 4200 ppm. Sulfur addition does decrease the activity of all the noble metal catalysts. However, Pd catalysts appear to have higher sulfur resistance than the Pt catalyst; Pd/TiO2 catalyst was found to be the most active and the least affected by benzothiophene among the three noble metal catalysts studied.

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Noble metal catalysts for low-temperature naphthalene hydrogenation in the presence of benzothiophene

Abstract

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