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Design and development of Ti-modified zeolite-based catalyst for hydrocracking heavy petroleum by Hiromichi Shimada; Koichi Sato; Kosaku Honna; Toshiyuki Enomoto; Nobuyasu Ohshio is a Materials Science article available to read on EtoBox.

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New Ni-Mo sulfide catalysts with zeolite-based supports were designed and developed for hydrocracking heavy petroleum to meet the increasing demand for transportation fuels. The supports consisted of modified ultra-stable-Y zeolite (MTZ) and an Al 2 O 3 binder. The MTZ was prepared by immersing ultrastable-Y zeolite in aqueous Ti(SO 4 ) 2 solutions, followed by Mo loading with the equilibrium adsorption of ammonium heptamolybdate. The catalytic performance of NiMo/MTZ, prepared by one-step incipient wetness impregnation of the MTZ support, was then evaluated using a bench-scale plant with a fixed-bed reactor. NiMo/MTZ showed high AR conversion, high selectivity to middle distillate (MD) fraction, and almost no deactivation up to 2600 h. This high performance was attributed to the large mesoporosity and controlled acidity of MTZ.

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Author

Hiromichi Shimada; Koichi Sato; Kosaku Honna; Toshiyuki Enomoto; Nobuyasu Ohshio

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0920-5861)

Published

2009

Language

EN

Field

Materials Science (Physical Sciences)