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Featured researches published by Hennie Schaper.


Zeolites | 1991

Process for the preparation of zeolitic catalysts

Tom Huizinga; Arend Hoek; Hennie Schaper; Aan Hendrik Klazinga

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 Å and combining the ion-exchanged zeolite without a calcination step with a hydrogenation component of a Group VIII and/or Group VI(b) metal.


Archive | 1987

Method for the regeneration of spent alumina-based catalysts

Hennie Schaper; Herman Wouter Kouwenhoven


Archive | 1995

Process for the conversion of a residual hydrocarbon oil

Johan Willem Gosselink; Heijden Anneke Van Der; Tom Huizinga; Hennie Schaper; B a Shell Int Petr Maatsch


Archive | 1990

Process for converting hydrocarbon oils and catalyst for use in such a process.

Tom Huizinga; Hennie Schaper; Arend Hoek


Archive | 1987

Process for preparing stabilized magnesia and its use in catalytic processes

Hennie Schaper; Herman Wouter Kouwenhoven


Archive | 1989

Process for the preparation of catalyst particles

Johan Willem Gosselink; Hennie Schaper


Archive | 1995

Process for producing a hydrowax

Jan Lodewijk Maria Dierickx; Johan Willem Gosselink; Nicolaas Mulder; Hennie Schaper


Archive | 1990

Hydrocracking catalyst and use thereof in a hydrocracking process

Johan Willem Gosselink; Hennie Schaper; Tom Huizinga


Archive | 1996

Process for converting residual hydrocarbon oils

Robert Johannes Littel; Karl-Heinz Wilhelm Roebschlaeger; Hennie Schaper


Archive | 1996

Procédé de conversion d'huiles hydrocarbonées résiduelles

Robert Johannes Littel; Karl-Heinz Wilhelm Roebschlaeger; Hennie Schaper

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