From: Sorptive removal of short-chain perfluoroalkyl substances (PFAS) during drinking water treatment using activated carbon and anion exchanger
GAC
Raw material
Origin
Iodine number, mg/g
GAC-bit 1
Bituminous coal (agglomerated)
USA
1080
GAC-bit 2
Asia
1010
GAC-lig 1
Lignite
650
Unknown
920
GAC-CC
Coconut shells
1260