IMPROVED CATALYST FOR MWCNT PRODUCTION

The present invention is related to an iron-free supported catalyst for the selective conversion of hydrocarbons to carbon nanotubes, said catalyst comprising cobalt and vanadium as active catalytic metals in any oxidation state on a catalyst support comprising aluminum oxide hydroxide wherein:- the...

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Bibliographische Detailangaben
Hauptverfasser:	JORIS, Jean-Philippe, HOULLE, Matthieu, CHAN, Fang-Yue
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention is related to an iron-free supported catalyst for the selective conversion of hydrocarbons to carbon nanotubes, said catalyst comprising cobalt and vanadium as active catalytic metals in any oxidation state on a catalyst support comprising aluminum oxide hydroxide wherein:- the mass ratio of cobalt to vanadium is between 2 and 15;- the mass ratio of cobalt to aluminum is between 5.8 10-2 and 5.8 10-1; and- the mass ratio vanadium to aluminum is between 5.8 10-3 and 8.7 10-2.The present invention is further related to a method for the production of said iron-free supported catalyst and to a method for the production of carbon nanotubes using said iron-free supported catalyst.