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Mining Publication: Behavior of Nitrogen Oxides in the Product Gases from Explosive Detonations
Keywords: Blasting fumes Explosives Nitrogen dioxide Nitrous oxides
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: January 2006
Authors: RJ Mainiero, JH Rowland, ML Harris, MJ Sapko
Conference Paper - January 2006
Download PDF Document (0.11 MB)
NIOSHTIC2 Number: 20029762
Proceedings of the 32nd Annual Conference on Explosives and Blasting Technique, Dallas, Texas, January 29-February 1, 2006. Cleveland, OH: International Society of Explosives Engineers, 2006; 2:1-10
In recent years, the toxic fumes generated by explosives have been a concern for blasters, explosive manufacturers, and mining companies. In the Western United States, blasters have been seeking ways to control the generation of nitrogen dioxide, a very toxic gas that can be produced by large blasts at surface coal mines. In the study reported here, 10 lb. charges of blasting agent confined in either thin-wall 4-inch diameter galvanized pipe or 4-inch schedule-80 stainless steel pipe were detonated in a closed chamber. The detonation gases were analyzed for nitrogen dioxide, nitric oxide (NO), ammonia, hydrogen, carbon monoxide, carbon dioxide, nitrogen, oxygen, and methane. Data were evaluated to determine the kinetics of the oxidation of NO to nitrogen dioxide. The information on NO oxidation kinetics provided in this paper will prove useful in efforts to model the behavior of NO and nitrogen dioxide in clouds of detonation products near blasting operations.
Image of publication Behavior of Nitrogen Oxides in the Product Gases from Explosive DetonationsConference Paper - January 2006
Download PDF Document (0.11 MB)
NIOSHTIC2 Number: 20029762
Proceedings of the 32nd Annual Conference on Explosives and Blasting Technique, Dallas, Texas, January 29-February 1, 2006. Cleveland, OH: International Society of Explosives Engineers, 2006; 2:1-10
See Also
A 20-Liter Furnace Test Method to Determine the Combustion Gas Toxicity of Conveyor Belts
Blasting and Explosives
Chemical and Physical Factors that Influence N0x Production During Blasting: Exploratory Study
Dangers of Toxic Fumes from Blasting
Effects of Sintered Metal Diesel Particulate Filter System on Diesel Aerosols and Nitric Oxides in Mine Air
Factors Affecting ANFO Fumes Production
Factors Affecting Fumes Production of an Emulsion and ANFO/Emulsion Blends
Monitoring and Removal of CO in Blasting Operations
Performance of RETIMET Metal Foam Vents on Explosion-Proof Enclosures
A Technique for Measuring Toxic Gases Produced by Blasting Agents
Work Principle for Predicting Explosive Toxic Fumes
Page last reviewed: April 25, 2017
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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