Structural evolution, stability, deactivation and regeneration of Fischer-Tropsch cobalt-based catalysts supported on carbon nanotubes

• Published in: Applied catalysis. A, General Vol. 603; p. 117741
• Main Authors: Chernyak, Sergei, Burtsev, Alexander, Maksimov, Sergey, Kupreenko, Stepan, Maslakov, Konstantin, Savilov, Serguei
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 05.08.2020; Elsevier Science SA
• Subjects: Carbon nanotubes; Catalysis; Catalyst stability; Catalysts; CO hydrogenation; Cobalt; Cobalt catalyst; Deactivation; Evolution; Fischer-Tropsch process; Fischer-Tropsch synthesis; Particle sintering; Regeneration; Selectivity; Sintering; Structural stability; Structure evolution; Particle sintering; Regeneration; Fischer-Tropsch synthesis; CO hydrogenation; Carbon nanotubes; Catalyst stability; Structure evolution; Cobalt catalyst

[Display omitted] •Long-term (500 h) tests of Co/CNT catalysts in Fischer-Tropsch synthesis.•Wax accumulation is the most probable deactivation reason.•Particle sintering depends on Co loading.•Regeneration at mild conditions completely restores catalyst activity.•Proposed activation and regeneratio...