Study of Air Toxics Released from the Pre- Harvest Burning of ...
Study of Air Toxics Released from the Pre- Harvest Burning of ...
Study of Air Toxics Released from the Pre- Harvest Burning of ...
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Results: Carbonyls<br />
• Total carbonyl EFs were 231.8±52.3 mg/kg (n=5) and<br />
909.6±527.7 mg/kg (n=4) for dry and whole stalk<br />
experiments, respectively.<br />
• EFs for whole stalk experiments exhibited more<br />
variability and were higher than dry leaf experiments.<br />
– Variable combustion conditions<br />
– Biomass composition<br />
Moisture content may inhibit<br />
complete combustion leading to<br />
higher pollutant emissions.<br />
Sugarcane sources also differed<br />
– may have different treatment<br />
practices (i.e., fertilizer and<br />
pesticide application)<br />
Table: Comparison <strong>of</strong> Combustion<br />
Conditions<br />
Experiment<br />
<strong>Burning</strong> Rate<br />
Average<br />
EF<br />
Average<br />
Temp<br />
(°F)<br />
Dry Leaves 232±52 311 1 kg/10 min<br />
Whole Stalks 482±16 600 1 kg/3 min<br />
(test 1)<br />
Whole Stalks 1401±166 145 0.24 kg/4 min<br />
(test 2)
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