Field Evaluation of a Passive Diesel Particulate Filter at a Limestone Mine

Details

• Personal Author:
  Noll, James D. ; Patts, Larry D.
• Description:
  The Mine Safety and Health Administration (MSHA) has promulgated rules to limit the exposure of metal/nonmetal underground miners to diesel particulate matter (DPM). These rules have resulted in many types of control technologies being implemented including diesel particulate filters (D P F). The passive type DPF is the most desirable because it requires little maintenance and it regenerates while the vehicle is operating. One problem with passive DPFs is that many vehicles cannot develop the sustained exhaust temperatures needed to initiate DPF regeneration, and thus it is required that the DPF be catalyzed to decrease the temperature needed for regeneration. In some past studies, such catalyzed filters have been shown to cause an increase in the nitrogen dioxide concentrations in the exhaust, resulting in a potential health hazard. In this study, a lightly catalyzed DPF along with a fuel/-born catalyst were employed to help reduce the DPM emissions from a 980F loader used for cleanup in a stone mine. After 30 days of use, the filter continued to regenerate successfully at the exhaust temperatures generated by this loader, substantially reduced DPM concentrations emitted in the exhaust, and did not cause a measurable increase in nitrogen dioxide levels that could be attributed to the device. [Description provided by NIOSH]
• Subjects:
  Dust Engineering Filtration Mining Occupational Exposure Occupational Health Particulate Matter Quality Control Respiratory System Safety Ventilation Workplace

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• Keywords:
  Control-methods Control-technology Dust-control Dust-exposure Engineering-controls Filters Inhalation-studies Mining-equipment Mining-industry Occupational-exposure Occupational-hazards Occupational-health Particle-aerodynamics Particulate-dust Particulates Qualitative-analysis Quality-standards Respirable-dust Standards Ventilation-equipment Ventilation-systems Work-environment Work-practices Worker-health Workplace-studies

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• Series:
  Mining Publications
• ISSN:
  0026-5187
• Document Type:
  Text
• Genre:
  Journal Article
• Place as Subject:
  OSHA Region 3 ; Pennsylvania
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  PRL - Pittsburgh Research Laboratory
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  83-86
• Volume:
  61
• Issue:
  4
• NIOSHTIC Number:
  nn:20036231
• Citation:
  Min Eng 2009 Apr; 61(4):83-86
• Email:
  Jnoll@cdc.gov
• Federal Fiscal Year:
  2009
• NORA Priority Area:
  Mining
• Peer Reviewed:
  True
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:f596c108c0204b2e0ac8b0c3f881c86c225083a64823c6c8366a5dc6acaf56e691f2e8434052e348880784a6e91f3e7701c6bd0344d441827e861566b7fc1cbe
• Download URL:
  https://stacks.cdc.gov/view/cdc/227159/cdc_227159_DS1.pdf
• File Type:
  [PDF - 2.06 MB ]