AIR POLLUTANTS FROM COMBUSTION SOURCES

Here is the evaluation summary sheet.

#1. (20%) Compare the time evolutions of energy intensity in the following countries: USA, Germany, France, UK, Japan, China, India, Brazil, Russia, Nigeria.         - Here  is one incipient graph (and spreadsheet); and  here  is the other… Comments? Updates available?         -Agree that, in addition to a single comparative graph, it is instructive to show more developed and less developed countries separately (in order to see some of the important details)?  #2. (30%) Complete the class handout “SO2/SO3 equilibrium” by constructing the corresponding van’t Hoff graph and comparing it with Table 10.1. Discuss the  SO2/SO3 ratio dependence on P, T and I  (the presence of inert gases).         -Does your graph look like  this ? And your summary of the effects of P, T and I like  this ?

#3. (30%) 

(a)    Complete the “Terminal velocity vs Particle size” class handout and reproduce  Figure 3.8 . Be sure to extend it, in order to be able to analyze a representative soot case (as well as a representative flyash case).  (b) Solve problems 3.12 and 3.24.       -Is “Stokes behavior” in P3.12 a reasonable assumption in every case?       -0.013 cm/s (C=1.082) and 70.0 cm/s (C=1.001) in P3.24? #4. (20%) Construct the cumulative graphs of SOx, NOx, PM, VOC and CO emissions as a function of time from the years before the Clean Air Act until today. Include only the major culprits and lump the minor ones into ‘other’ contributors.       - Here  is one version… Does NOx mean NO or NO2? (See AP-42…) Similarities/differences of the SO2 graph w/r to CO and NOx? Are combustion processes still a major culprit in VOC emissions? Principal message of the PM emissions trends?