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A Method To Produce Support For A Catalyst For Hydrocarbon Synthesis And A Method To Produce A Catalyst For Hydrocarbon Synthesis

Patent Number: RU2007215

Inventor(s): Decleer Jos Gerard Monica (BE); Meuris Theofiel (BE); Blankenstein Paul (NL); Derking Anke (NL); Reinalda Donald (NL)

Applicant(s): Shell Int Research (NL)

Requested Patent: RU2007215

Application Number: RU19904831987 19901104

Priority Number(s): RU19904831987 19901104

IPC Classification: B01J21/06; B01J37/00; C07C1/04

EC Classification: B01J21/06, B01J37/00B, C07C1/04D4, C10G2/00B2D

Equivalents: AU626204, AU6661890, BR9005787, CA2029960, DE69010456D, DE69010456T, ES2057361T, JP3178339, JP3204507B2, NO300201B, NO904943, ZA9009129

Application of 14.11.1990

Priority of

Published: 15.02.1994 in B.I. No. 3


Process for the preparation of extrudates suitable for use in the manufacture of catalysts or catalyst carriers, especially Fischer-Tropsch catalysts, comprising mulling a mixture of finely divided silica, a water soluble compound derived from a metal selected from group IVb of the Periodic Table and water, the mixture having a solids content of 20 to 50% by weight, and extruding the mixture. After drying and/or calcining, the extrudates may be impregnated with one or more suitable metal compounds, optionally followed by drying, calcination and/or activation, and used as a catalyst.

Essence of invention: A catalyst support for hydrocarbon synthesis is produced by co-milling of fine-grinded silica and water-soluble zirconium compound in the presence of water. The mixture contains 28-47 wt.% of solid components. During co-milling pH is kept equal to 8.7-9.5 by adding organic bases. Then pH is decreased to 8.3 by adding an organic acid. The mixture obtained is mixed with a surface-active additive and extruded, then dried and calcined. The used silica is either silica gel, or precipitated silica, or pyrogenic silica having an average particle size of 50 μm. Before using the silica is washed with a solution of ammonium carbonate. Ammonium-zirconium carbonate is used as the water-soluble zirconium compound. The zirconium content amounts to 8-15 wt.% of the silica content. To produce catalyst, the support is impregnated with an active component, dried and calcined.