The latest and most modern type of catalytic reformers are called continuous catalyst regeneration ( CCR ) reformers.
2.
However, given that a ) the main deactivation mechanism for these catalysts is the occlusion of active sites by carbon deposits on the catalyst surface; and b ) the spent catalyst regeneration method preferred in industry is the combustion of these carbon deposits by calcination in hot air, the use of carbon supports is rendered impractical, as this regeneration method would effectively destroy the catalyst.
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