PROCESS FOR REGENERATING A SLURRY FISCHER-TROPSCH CATALYST

A process for regenerating a slurry Fischer-Tropsch catalyst, which needs regeneration, involves de-waxing and drying the catalyst sufficiently to produce a free-flowing catalyst powder that is fluidizable; fluidizing the catalyst powder; treating the catalyst powder with an oxygen treatment; reduci...

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Bibliographische Detailangaben
Hauptverfasser: HUANG, JUI-HSIN, R, SCHUBERT, PAUL, F, ARCURI, KYM, B, AGEE, KENNETH, L
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A process for regenerating a slurry Fischer-Tropsch catalyst, which needs regeneration, involves de-waxing and drying the catalyst sufficiently to produce a free-flowing catalyst powder that is fluidizable; fluidizing the catalyst powder; treating the catalyst powder with an oxygen treatment; reducing the catalyst powder with a reducing gas to form a reduced catalyst powder; and mixing the reduced catalyst powder with hydrocarbons to form a regenerated, slurry catalyst. The oxidation and reduction steps may be repeated. An oxygen treatment includes using a fixed O2 level with ramped temperatures, fixed temperatures with increased O2 levels, or a combination.