Regeneration or reactivation of ion-exchangers; Apparatus therefor

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 49/05 of fixed beds
• B01J 49/1 of moving beds
• B01J 49/2 of membranes
• B01J 49/3 Electrical regeneration
• B01J 49/4 Thermal regeneration
• B01J 49/5 characterised by the regeneration reagents
• B01J 49/6 Cleaning or rinsing ion-exchange beds
• B01J 49/7 for large scale industrial processes or applications
• B01J 49/75 of water softeners
• B01J 49/8 Automatic regeneration
• B01J 49/9 having devices which prevent back-flow of the ion-exchange mass during regeneration