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US 7,923,615 B2Granted
Catalyst system for a multi-walled carbon nanotube production process
AssigneeNanocyl S.A.
InventorsRicardo Prada Silvy, Christophe Pirlot, Benedicte Culot
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Abstract
The present invention relates to a catalyst system for the selective conversion of hydrocarbons into multi-walled carbon nanotubes and hydrogen comprising a compound of the formula: (Ni,Co)FeyOz(Al2O3)w wherein ‘y’ represents the molar fraction of Fe relative to Co and Ni and wherein 0.11≦y≦9.0, 1.12≦z≦14.5, and 1.5≦w≦64.
Claims30
A catalyst system for the selective conversion of hydrocarbons into multi-walled carbon nanotubes and hydrogen, said catalyst comprising a compound of the formula:
- CoFe2O4(Al2O3)w
- wherein 1.5≦w≦16.
Dependencies are inferred from the claim text.