FORMALDEHYDE DETECTION AND REMOVAL IN DIRECT ALCOHOL FUEL

FORMALDEHYDE DETECTION AND REMOVAL IN DIRECT ALCOHOL FUEL CELL EFFLUENT Jenna Simandl, Civil Engineering, University of Alabama Cuong Diep, Chemical Engineering, University of Cincinnati Sidney Stacy, Biomedical Engineering, University of Cincinnati NSF Grant ID No: DUE-0756921 1

Introduction � Spectroscopy and Perfluorosulfonic acid (PSA) membrane � Acetone � Formaldehyde � Water Interference http: //www. chem. agilent. com/en-US/products-services/instrumentssystems/molecular-spectroscopy/8453 -uv-vis-diode-arraysystem/Pages/photodiode_array_benefits. aspx 2

Goal � Collect sufficient amount of data to be able to test the hypothesis that membrane additives can minimize water interference in optical sensing of acetone and formaldehyde 3

Tasks � Task 1: Training � Task 2: Acetone exposure calibrations � Task 3: Repeat formaldehyde � Task 4: Draw conclusions � Task 5: Deliverables 4

Timeline Task/Week 1 2 3 4 5 6 7 8 Training Acetone Formaldehyde Conclusions NSF Paper Final Paper Presentation Final Poster 5

Training Received � Literature Review � Membrane preparation � UV/Vis Spectroscopy demo � Acetone exposure testing practice Worrall, A. D. , Bernstein, J. A. , Angelopoulos, A. P. (2013). “Portable method of measuring gaseous acetone concentrations, ” Talanta, Vol. 112, No. 1, pp. 26 -30. 6

Progress Made Training Acetone Formaldehyde Conclusions NSF Paper Presentation Poster 0 20 40 60 Percent Complete 80 100 7

Questions? 8