IPC Main Group
B01J 38/00 Regeneration or reactivation of catalysts, in general
Introduced: January 1985
Last revised: January 2006
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
5 direct subcodes
Child Classifications
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- B01J 38/02 Heat treatment
- B01J 38/04 Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J 38/48 Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J 38/72 including segregation of diverse particles
- B01J 38/74 utilising ion-exchange