Enhanced Coconut Carbon vs. Coal Base Activated CarbonBy: Denise Urbans
What is “Enhanced Coconut Carbon”?
According to Calgon Carbon enhanced coconut is basically a standard coconut product that undergoes additional processing (chemical fluxing agents and thermal conditions) to transform a coconut’s pore structure to be more like a reagglomerated bituminous coal-based product. Coconut based activated carbons traditionally have a very tight pore structure (microporous) while reagglomerated bituminous coal based products have a broad range of pore structures (micro, meso, and macroporous).
Calgon has studied the use of activated carbon for the reduction of the contaminants PFOA/PFOC (brand name GenX). Enhanced coconut carbon will reduce PFOA, but as demonstrated in the graph titled “RSSCT Breakthrough Curves”, coal base activated carbons are best suited for reduction of these contaminants. Filtrasorb 400 lasted more than two times longer than enhanced coconut carbon.
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