Comparison of the PFAS Adsorption Capabilities of a Coconut Shell Based Granular Activated Carbon and a Bituminous Coal Based Granular Activated Carbon

reportActive / Technical Report | Accesssion Number: AD1100851 | Open PDF

Abstract:

This research compares the ability of two granular activated carbons (GAC) to adsorb perfluoroalkyl substances (PFAS) in water. A bottle study was used to measure reduction in perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS). The carbons used were coal and coconut shell based variants. The research focused on the rates at which the two contaminants were removed. Results showed that both GACs were capable of reducing the concentration >95 for both PFOS and PFOA, and that coconut GAC was able to compete with coal based GAC. Additionally, PFOS was removed more quickly than PFOA, which is similar to what has been observed in previous research.

Author(s):
Holliday, Matthew D.
Author Organization(s):
AIR FORCE INSTITUTE OF TECHNOLOGY WRIGHT-PATTERSON AFB OH
Funding Organization(s):
Publication Date:
2020 Mar 26
Pagination:
0

Security Markings

RECORD

Collection: TRECMS
Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
chemistry, united states, air force, chemical synthesis, liquid chromatography, department of defense, environmental protection, bituminous coal, materials, sulfonic acids, environmental pollutants, ion exchange, physical properties, water purification, adsorption, costs, ecology
Keyword(s):
pfas(Per- and polyfluoroalkyl substances), remediation, gac(granular activated carbon), contamination
Subject Categories:
Biological and Medical Sciences; Environmental Pollution and Control
Update Date:
2020 Jun 12