State of the Art Catalytic Packing for RD Processes

Commercial catalytic packing for RD processes is done by wrapping ion-exchange resin beads are sewn into glass-fiber doth and rolled into bales (CDTech, Passa-dena, Texas) or put into wire mesh or perforated metal sheets (Sulzer, Winterthur, Switzerland, similar to the methods of Koch Engineering or Montz). Fig. 8.1 and Fig. 8.2 show examples [2, 3]. 

This packing fits the column diameter or a few pieces of packing are arranged across the column diameter Fig. 8.3 shows an RD column equipped with catalytic bales [4]. 

In addition to commercially available packing there are other approaches to wrapping ion-exchange resins. One idea is to use small tetrahedral wire packages this was also patented by the CDTech company. Fig. 8.4 [5]. 

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