409065 2. Activated Carbon Fiber Composites for Ammonia Removal in Air

Sunday, November 8, 2015
Exhibit Hall 1 (Salt Palace Convention Center)
Weihua Zheng1, James Langer1 and James Economy2, (1)Serionix, Inc., Champaign, IL, (2)Materials Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, IL

Chemically Activated Carbon Fibers (CAFs) were synthesized for ammonia adsorption. NH3 adsorption performance was measured in flowthrough configuration at both 0% and 50% relative humidity conditions. The surface of these materials was characterized using SEM, BET, elemental analysis, FTIR, XPS, and Boehm titration. High surface area >1000 m2/g of all ACFCs are essential to providing more accessible surface functional groups and thus adsorption efficiency. Surface chemistry analysis results showed that adsorption performance is correlated with surface acidic oxygen groups.

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