Catalytic hydrocracking—mechanisms and versatility of the process

J Weitkamp - ChemCatChem, 2012 - Wiley Online Library
Hydrocracking of saturated hydrocarbons can proceed by means of four distinctly different
mechanisms. On bifunctional catalysts comprising hydrogenation/dehydrogenation and …

The chemistry of selective ring-opening catalysts

H Du, C Fairbridge, H Yang, Z Ring - Applied Catalysis A: General, 2005 - Elsevier
Bitumen-derived crude and heavy oils require severe processing and produce middle
distillate product with poor ignition quality. This becomes a concern to refiners as tighter …

Catalytic pyrolysis of woody biomass in a fluidized bed reactor: influence of the zeolite structure

A Aho, N Kumar, K Eränen, T Salmi, M Hupa… - Fuel, 2008 - Elsevier
Catalytic pyrolysis of biomass from pine wood was carried out in a fluidized bed reactor at
450° C. Different structures of acidic zeolite catalysts were used as bed material in the …

Evaluation of different reaction strategies for the improvement of cetane number in diesel fuels

RC Santana, PT Do, M Santikunaporn, WE Alvarez… - Fuel, 2006 - Elsevier
Cetane number improvement of diesel fuels is a difficult task that refiners will face in the near
future. Aromatics saturation by deep hydrogenation is a necessary, but perhaps not sufficient …

Characterization of the Surface Acidity of MFI Zeolite Nanosheets by 31P NMR of Adsorbed Phosphine Oxides and Catalytic Cracking of Decalin

Y Seo, K Cho, Y Jung, R Ryoo - Acs Catalysis, 2013 - ACS Publications
MFI zeolite nanosheets tailored to 2.5-nm thickness were synthesized using a surfactant-
type zeolite structure-directing agent,[C22H45–N+ (CH3) 2–C6H12–N+ (CH3) 2–C6H13](Br …

Ring opening of decalin and tetralin on HY and Pt/HY zeolite catalysts

M Santikunaporn, JE Herrera, S Jongpatiwut… - Journal of …, 2004 - Elsevier
The removal of polynuclear aromatics from diesel fuel in response to increasingly stringent
environmental legislation has stimulated intense research. In addition to the hydrogenation …

Catalytic selective ring opening of polyaromatics for cleaner transportation fuels

D Jampaiah, DY Murzin, AF Lee, D Schaller… - Energy & …, 2022 - pubs.rsc.org
The selective C–C bond cleavage of mono-and bicyclic naphthenic molecules via catalytic
ring opening plays a vital role in refining low-quality fossil oils and pyrolysis oils derived from …

Metal− support interactions in zeolite-supported noble metals: Influence of metal crystallites on the support acidity

D Kubička, N Kumar, T Venäläinen… - The Journal of …, 2006 - ACS Publications
The metal− support interactions on a series of catalysts of different acidities, including
platinum-modified zeolites and H− MCM-41, are investigated by means of XPS, CO and …

Ring opening of decalin over zeolites: II. Activity and selectivity of platinum-modified zeolites

D Kubička, N Kumar, P Mäki-Arvela, M Tiitta, V Niemi… - Journal of …, 2004 - Elsevier
The activity and selectivity of platinum-modified zeolites (Beta, Y, Mordenite) were
investigated in the ring opening of decalin at 473–543 K in the presence of hydrogen. In the …

Synthesis and consequence of three-dimensionally ordered macroporous Beta zeolite supported NiW catalyst for efficient hydrocracking of 1-methylnaphthalene to …

Z Hu, T Wu, H **e, Y Zhang, S Ge, Z Wu - Chemical Engineering Journal, 2024 - Elsevier
The three-dimensionally ordered macroporous Beta (3DOM-Beta) zeolite was prepared and
used as support of NiW sulfide catalyst for hydrocracking. The as-prepared NiW/3DOM-Beta …