Celanese Gmbh

Sachtleben Chemie Gmbh

Sachleben Chemie Gmbh

Markus Schulte

Helmut Bahrmann

Bernd Rohe

Christian Spitzwieser

Olga Gonsiorová

Raimond L C Bonné

Raimond L C BonnÉ

TiO-supported catalysts include at least molybdenum or tungsten as active components for hydrotreating processes, in particular for the removal of sulfur and nitrogen compounds as well as metals out of crude oil fractions and for the hydrogenation of sulfur oxides.

Titania-supported hydrotreating catalysts

A particulate porous spherical titanium dioxide has a TiOcontent of at least 99.0% by weight, a particle size din the range of 30 to 350 &#x3bc;m, a tight particle size distribution (B 90/10) in the region of a maximum of 120 &#x3bc;m, a pore diameter of 1 to 30 nm, a pore volume of at least 0.1 cm/g, and a surface area of 30 to 300 m/g (BET).

Porous spherical titanium dioxide

Nonaqueous ionic ligand liquids of the formula (Q.sup..sym.)a A.sup.a-, where Q.sup..sym. is a singly charged quaternary ammonium and/or phosphonium cation or the equivalent of a multiply charged ammonium and/or phosphonium cation and A.sup.a- is a sulfonated triarylphosphine, a process for preparing them and their use as catalyst constituents.

Nonaqueous ionic ligand liquids, process for preparing them and their

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Markus Schulte