Article | October 31, 2019

Major Considerations For POU Treatment Design

By Robert T. Deithorn and Anthony F. Mazzoni

Carbon Fill

The particle size of activated carbon affects how any POU treatment system will perform. The smaller the particle size of the activated carbon, the faster the rate of removal, whether by adsorption or chemical reaction, because the contaminant has less distance to go to reach the pores in the center of the activated carbon particle. The faster the rate of adsorption, the better the POU system will perform. To illustrate the particle size effect on performance, let’s look at how an 8×30 mesh activated carbon resized to a 12×40, 20×40 and 20×50 mesh performs in a de-chlorination study.

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