Shell Oil Comapny

Jean-Paul Darnanville

Pierre E Dejaifve

Roland A Garin

Carolus Matthias Anna Maria Mesters

Laurent Georges Huve

Thomas Joris Remans

Edward Julius Creyghton

Guy Barre

Eric Duprey

Jean-Claude Clement

Jacques J Dufour

Carolus Maria Van Ballegoy

Maria Barbara Hendrica Crijnen-Van Beers

Jean-Claude Lambert

Maria Barbara Hendrica Van Crijnen-Beers

Process for the catalytic dewaxing of a hydrocarbon oil feed including waxy molecules and more than 500 ppmw of sulphur or sulphur containing compounds by contacting the oil feed under catalytic dewaxing conditions with a catalyst composition comprising at least a hydrogenation component, dealuminated aluminosilicate zeolite crystallites and a low acidity refractory oxide binder material which is essentially free of alumina.

Catalytic dewaxing process

Method for preparing a catalyst

The invention relates to a process for the catalytic dewaxing of a hydrocarbon feed containing waxy molecules by contacting the hydrocarbon feed under catalytic dewaxing conditions with a catalyst composition having metallosilicate crystallites, a binder and a hydrogenation component, wherein the weight ratio of the metallosilicate crystallites and the binder is between 5:95 and 35:65. The invention also relates to a catalyst composition having at least a low acidity refractory oxide binder, which binder is essentially free of aluminum, metallosilicate crystallites and a hydrogenation component, wherein the weight ratio of the metallosilicate crystallites and the binder is between 5:95 and 35:65.

Dehydrogenation catalyst, wherein the molar ratio between iron oxide providing agent and potassium oxide providing agent calculated as iron: potassium atomic ratio is in the range of from 1.5 to 60, a K.sub.2 Fe.sub.12 O.sub.19 phase is present in an octahedral Fe.sub.3 O.sub.4 matrix, showing crystalline epitaxy between the hexagonal structure of K.sub.2 Fe.sub.12 O.sub.19 and the (111) planes of the Fe.sub.3 O.sub.4 spinel structure, and showing intense X-ray diffraction peaks in the area of from d=12.4 .ANG. to d=1.60 .ANG.. Process for the preparation of such catalyst and process for dehydrogenation of optionally substituted alkanes into olefins.

Catalyst for dehydrogenating organic compounds, a process for its

Dehydrogenation catalyst

Alkenylbenzenes, e.g. styrene, are prepared by non-oxidative dehydrogenation of alkylbenzenes at elevated temperature in the presence of steam and a novel catalyst comprising iron oxide and, as promoters, an alkali metal compound, .ltoreq.10% wt of a compound of a rare earth metal and a calcium compound (not a hydraulic cement) and &lt;1.4% wt of a molybdenum compound.

Catalyst for the non-oxidative dehydrogenation of alkylbenzene to

Growing community of inventors

Grand Couronne, France

Jean-Paul Darnanville