Himsley contactor

Continuous contactors operate as intermittently moving packed beds, as illustrated by the Higgins contactor " (Fig. 31), or as fluidized staged (compartmented) columns, as shown in Fig. 32, by the Himsley... 

Figure 32. The Himsley Continuous Fluid-Solid contactor.t ...

In the Himsley type of contactor, the resin is moved from one compartment or stage to the next countercurrent to the feed solution flow on a timed basis that allows for the rate of equilibrium resin loading in each stage. Thus each compartment or tray is designed to accommodate specific feed compositions and effluent requirements. Equipment from different commercial suppliers differ in the manner of resin transfer. 

---