Aerosol Particle Emissions from Cooking

BurgersCluster 3: Living Oceans and Global Climate

ChangeBy: Annie Wapniarski, Daniel Choi, Kasady Liu,

Michelle Mak

Background

Credit: Feliciano, E., ScienceNews, December 4, 2010; Vol. 178 #12

Aerosol particles: suspensions of liquid or solid in vapor

Experiment• Beef and vegetable burgers were both cooked on charcoal/propane grills (figure 1)• Filters picked up total organic emissions from the grills in µg/m3

• They were analyzed in the clean room by a FTIR spectrometer (figure 2)• Charcoal Beef (figure 3), picked up the darkest particles.

Figure 1 Figure 2 Figure 3

Results/ Analysis• Propane releases less organic emissions than charcoal• Organic particle concentrations higher when cooking burgers• Veggies burgers release less particles than beef burgers

Figure 2Figure 1Figure 3

Figure 4 Figure 5Figure 6

Conclusion/ Implication• Conclusion

o Expectation: Charcoal/Beef mix would give off more organic material

o Reality: Propane/Beef mix gave off more organic materialo Charcoal/Beef mix had more alkanes overall

• Implicationso Fingerprint of emissions

AcknowledgementsSpecial thanks to...Professor Lynn RussellTeacher Fellow Megan JonesLab Assistant Jacob A. Sanchez