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The Trouble with Carbon in Dialysis Water Treatment Systems
Conventional carbon absorbs monochloramines very slowly. This
requires large quantities of carbon in a conventional filter.
The result...carbon is not changed very often. Additionally, flow
rates through the bed are necessarily very slow, creating an ideal
environment for bacterial growth.
Catalytic carbons have considerably faster reaction kinetics for
conversion of chloramine. With a peroxide number below 15, catalytic
carbon is five times more effective at chloramine removal than conventional carbon.
This changes the need for large amounts of carbon, and installation
can be much smaller with a required empty bed contact time of
only two minutes. |