Iron removal from carbon nanotubes and metal catalyst recycle

Iron removal from carbon nanotubes and metal catalyst recycle

The present disclosure provides a method for purifying nanostructured material comprising carbon nanotubes, metal impurities and amorphous carbon impurities. The method generally includes oxidizing the unpurified nanostructured material to remove the amorphous carbon and thereby exposing the metal i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: GAILUS, David
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES
METALLURGY
NANOTECHNOLOGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
TRANSPORTING
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Beschreibung
Zusammenfassung:The present disclosure provides a method for purifying nanostructured material comprising carbon nanotubes, metal impurities and amorphous carbon impurities. The method generally includes oxidizing the unpurified nanostructured material to remove the amorphous carbon and thereby exposing the metal impurities and subsequently contacting the nanostructured material with carbon monoxide to volatilize the metal impurities and thereby substantially remove them from the nanostructured material.