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Mining Publication: A New Concept for Leak Testing Environmental Enclosure Filtration Systems
Keywords: Cabs Filtration systems
Original creation date: November 2006
Authors: JA Organiscak, M Schmitz
Peer Reviewed Journal Article - November 2006
Download PDF Document (0.20 MB)
NIOSHTIC2 Number: 20031186
J ASTM Int 2006 Nov-Dec; 3(10):1-1111
A method (patent pending) has been developed to determine the quality of environmental cab filtration systems. This method utilizes specially configured filter cartridges to remove carbon dioxide from the ambient air with the environmental cab's air filtration system. A real-time gas monitor is placed inside an unoccupied cab with the filtration system running to time decay the carbon dioxide to its lowest concentration or equilibrium level. The outside carbon dioxide concentration level can be measured concurrently with another gas monitor or with the same inside cab gas monitor during a representative period before and after the inside sampling is conducted. Cab filtration system leakage is comparatively deduced from the difference between the special cartridge filter efficiency and overall cab efficiency. Laboratory trials have illustrated that desirable high efficiency test filter configurations (greater than 99 % efficiency) can be devised, but have air quantity and test time limitations. These trials also demonstrated that CO2 penetration was reflective of controlled air leaks around a high efficiency filter under equilibrium conditions. This report examines the elements of this patent pending method.
Image of publication A New Concept for Leak Testing Environmental Enclosure Filtration SystemsPeer Reviewed Journal Article - November 2006
Download PDF Document (0.20 MB)
NIOSHTIC2 Number: 20031186
J ASTM Int 2006 Nov-Dec; 3(10):1-1111
See Also
Clearing the Air
Current NIOSH Dust Control Research for Noncoal Surface Mines
Doing the Math: The Effectiveness of Enclosed-Cab Air-Cleaning Methods Can Be Spelled Out in Mathematical Equations
Key Design Factors of Enclosed Cab Dust Filtration Systems
Laboratory Investigation of Enclosed Cab Filtration System Performance Factors
Maximizing Air Quality Inside Enclosed Cabs with a Unidirectional Filtration and Pressurization System
A New Leak Test Method for Enclosed Cab Filtration Systems
Reducing Dust Inside Enclosed Cabs
Technology News 550 - A Test Method for Quantifying Unfiltered Air Leakage into Enclosed Cabs
Workplace Solutions: Reducing Hazardous Dust in Enclosed Operator Cabs During Construction
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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