Treating with free oxygen-containing gas

Full Title

Regeneration or reactivation of catalysts, in general > Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst > Treating with free oxygen-containing gas

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Subclass:

CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS

Child Classifications

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• B01J 38/14 with control of oxygen content in oxidation gas
• B01J 38/16 Oxidation gas comprising essentially steam and oxygen
• B01J 38/18 with subsequent reactive gas treating
• B01J 38/2 Plural distinct oxidation stages
• B01J 38/22 Moving bed, e.g. vertically or horizontally moving bulk
• B01J 38/3 in gaseous suspension, e.g. fluidised bed
• B01J 38/38 and adding heat by solid heat carrier
• B01J 38/4 and forming useful by-products