1 Cubic Foot Tannin Selective Anion Resin

1 Cubic Foot Aldex CRA Tannin Selective Anion Resin with Free Shipping!

Aldex CRA is used in potable water applications to remove tannins or color bodies and may also be used as an organic scavenger in industrial systems.

Applications:

• Aldex CRA should be regenerated with 10% sodium chloride at a minimum of 10 lbs NaCl per cubic foot. If color bleeds after regeneration either the frequency or the salt level should be increased.
• After each cycle the resin bed should be backwashed at a rate that expands the bed 50 to 75 percent. This will remove any foreign matter and reclassify the bed.
• Once the tannins have been adsorbed on the resin and the resin has been exhausted, it should be regenerated as soon as possible. This prevents the tannins from permanently fouling the resin.
• Aldex CRA should be regenerated prior to vacation periods or seasonal shut down. Aldex CRA can be used on waters with moderate hardness, 5 to 10 grains/USG depending upon the sulfate and carbonate concentrations.
• Higher hardness waters require a softener prior to the tannin removal step. 

Aldex CRA Spec Sheet