Biomedical Engineering Reference
In-Depth Information
14.00
12.00
Total
aliphatics
10.00
Total PAHs
8.00
6.00
4.00
2.00
0.00
800
850
900
950
Temperature (
°
C)
Figure
9.4
Total aliphatic (chain) hydrocarbons
versus
polycyclic aromatic hydrocarbons (PAHs) generated in a low-density
polyethylene fire (pyrolysis) in four temperature regions.
Adapted from: Data from R.A. Hawley-Fedder, M.L. Parsons, and F.W. Karasek, 1984, “Products Obtained During Combustion
of Polymers under Simulated Incinerator Conditions”,
Journal
of
Chromatography
, 314, pp. 263-72.
Dioxin emitted in US in year 2000 (grams)
500
400
300
200
100
0
Barrel burning
Medical waste incineration
Municipal waste incineration
Municipal waste treatment sludge
Coal-fire power plants
Cement kilns (hazardous waste burning)
Diesel trucks
Primary magnesium production
Industrial wood combustion
Secondary aluminum smelting
Other
Figure
9.5
Industrial categories of dioxin emitters in the United States in 2000.
Adapted from: US Environmental Protection Agency, 2005, The Inventory of Sources of Dioxin in the United States (External
Review Draft),
http://cfpub.epa.gov/ncea/cfm/recordisplay.cfm?deid
=
132080; accessed on 12 June 2006.
