CATALYSEURS A BASE D'ALUMINE, DE SILICE OU DE SILICE-ALUMINE, LEUR PREPARATION ET LEUR UTILISATION DANS LE DOMAINE DE L'HYDROTRAITEMENT DES HUILES D'HYDROCARBURES
Supported catalysts which are made by shaping catalyst carrier, with or without catalyst precursors, into balls, calcining the balls at 300 DEG -1000 DEG C., and crushing the calcined balls to particles whose average size is 0.2-0.8 times the average diameter of the balls. When the precursors are no...
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Zusammenfassung: | Supported catalysts which are made by shaping catalyst carrier, with or without catalyst precursors, into balls, calcining the balls at 300 DEG -1000 DEG C., and crushing the calcined balls to particles whose average size is 0.2-0.8 times the average diameter of the balls. When the precursors are not present during the manufacture, they are added thereafter. |
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