1
Arend Hoek, Martin F M Post, Johannes K Minderhoud, Peter W Lednor: Process for the preparation of a Fischer-Tropsch catalyst and preparation of hydrocarbons from syngas. Shell Oil Company, February 12, 1985: US04499209 (232 worldwide citation)

A Fischer-Tropsch catalyst is prepared by impregnating a silica carrier with a solution of a zirconium or titanium compound, calcining the composition thus obtained, thereafter impregnating the carrier with a cobalt compound-containing solution and calcining and reducing the composition thus obtaine ...


2
Arend Hoek, Tom Huizinga, Ian E Maxwell: Hydrocarbon conversion catalysts. Shell Oil Company, April 10, 1990: US04916096 (20 worldwide citation)

Composition of matter suitable as a catalyst (base) in hydroprocessing comprising a crystalline aluminosilicate zeolite and a binder wherein the crystalline aluminosilicate comprises a modified Y zeolite having a unit cell size below 24.35 .ANG., a degree of crystallinity which is at least retained ...


3
Arend Hoek, Eduard P Kieffer: Process for the preparation of middle distillates. Shell Oil Company, May 14, 1985: US04517396 (17 worldwide citation)

A process for converting C.sub.2 -C.sub.5 olefins into middle distillates at a temperature of 150.degree.-300.degree. C. over a catalyst which has been prepared by depositing at least 0.1% w Ni or Co by ion exchange onto a crystalline metal silicate having a ZSM-5 structure.


4
Arend Hoek, Tom Huizinga, Ian E Maxwell: Hydrocarbon conversion process and catalysts. Shell Oil Company, August 15, 1989: US04857171 (15 worldwide citation)

A process for converting hydrocarbon oils into products of low average molecular weight and lower average boiling point comprising contacting a hydrocarbon oil at elevated temperature and pressure in the presence of hydrogen with a catalyst comprising a modified Y zeolite having a unit cell size bel ...


5
Jacobus Johannes Cornelis Geerlings, Arend Hoek, Hans Michiel Huisman, Peter William Lednor: Process for the preparation of hydrocarbons. Shell Oil Company, September 28, 1999: US05958985 (15 worldwide citation)

A process for the preparation of hydrocarbons by catalytic reaction of carbon monoxide with hydrogen in which reaction a feed comprising hydrogen and carbon monoxide is contacted at elevated temperature and pressure with a catalyst comprising cobalt and manganese in which catalyst the cobalt/mangane ...


6
Arend Hoek, Jeroen Harrie Moors: Catalyst activation process. Shell Oil Company, November 5, 2002: US06475943 (12 worldwide citation)

The present invention relates to a process for the activation of a catalyst in the presence of a hydrocarbon liquid, which catalyst comprises a Group Ib, VIIb or VIII metal compound, by contacting the catalyst with a hydrogen-containing gas at a hydrogen partial pressure of at least 15 bar abs. The ...


7
Tom Huizinga, Arend Hoek, Hennie Schaper, Aan H Klazinga: Process for the preparation of zeolitic catalysts. Shell Oil Company, April 9, 1991: US05006496 (9 worldwide citation)

Process for the preparation of a zeolitic catalyst which comprises treating a zeolite of the Y-type having an alkali oxide/aluminum oxide molar ratio of at most 0.13 with a solution of a multi-valent metal salt having a cationic radius between 0.6 and 1.0 .ANG. and combining the ion-exchanged zeolit ...


8
Philippe Guichard, Pierre Grandvallet, Guy Barre, Arend Hoek, Andries Q M Boon: Process for the preparation of lubricating base oils. Shell Oil Company, Timothy J Hadlock, January 3, 1995: US05378351 (9 worldwide citation)

A process for the preparation of a lubricating base oil including contacting a hydrocarbon feed with a catalyst in the presence of hydrogen, which catalyst includes a hydrogenation component supported on an amorphous silica-alumina carrier having a macroporosity in the range of from 5% vol to 50% vo ...


9
Arend Hoek, Tom Huizinga, Ian E Maxwell: Hydrocarbon conversion catalysts. Shell Oil Company, August 15, 1989: US04857170 (8 worldwide citation)

Composition of matter suitable as a catalyst (base) in hydroprocessing comprising a crystalline aluminosilicate zeolite and a binder wherein the crystalline aluminosilicate comprises a modified Y zeolite having a unit cell size below 24.35 .ANG., a degree of crystallinity which is at least retained ...


10
Arend Hoek, Matthijs Maria Gerardus Senden: Process for the preparation of middle distillates. Shell Oil Company, February 22, 2005: US06858127 (7 worldwide citation)

A process for the preparation of one or more hydrocarbon fuel products boiling in the kero/diesel range from a stream of hydrocarbons produced in a Fischer-Tropsch process, in which process synthesis gas is converted into liquid hydrocarbons, at least a part of the hydrocarbons boiling above the ker ...



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