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Emissions of industrial furnaces burning vanadium-contained heavy oils

Journal Article · · Journal of Environmental Science and Health, Part A: Environmental Science and Engineering; (United States)
;  [1]
  1. National Taiwan Ocean Univ., Keelung (Taiwan, Province of China)
The emissions of power plants using heavy oil attract much concern because the organic compounds of toxic metals such as vanadium, sodium, and potassium contained in heavy oil could cause pollution problems. A small furnace associated with a burner was employed to investigate the influences of vanadium pentoxide content on the emission characteristics of industrial furnaces. The composition of vanadium pentoxide which could be as high as 600 ppm in ash of heavy fuel oils is responsible for the alteration of emission characteristics and combustion efficiency. The diesel fuel oil added with 600 ppm V[sub 2]O[sub 5] was burnt within the furnace. The burning gas compositions such as oxygen, carbon dioxide at various axial locations of the furnace were analyzed using a gas analyzer. This study shows that the existence of vanadium pentoxide in fuel oils caused poorer atomization and less complete burning of the injected oil. The formations of excess oxygen and carbon monoxide were enhanced while the carbon dioxide emission was hindered with the addition of vanadium pentoxide in the fuel oil. In addition, the formation of nitrogen oxides decreased with the existence of vanadium pentoxide primarily because of the production of the attainable gas temperature. 15 refs., 6 figs., 1 tab.
OSTI ID:
6794902
Journal Information:
Journal of Environmental Science and Health, Part A: Environmental Science and Engineering; (United States), Journal Name: Journal of Environmental Science and Health, Part A: Environmental Science and Engineering; (United States) Vol. 30:1; ISSN 0360-1226; ISSN JESEDU
Country of Publication:
United States
Language:
English