Results 1 - 10 of 22

• Continuous Miner Spray Considerations for Optimizing Scrubber Performance in Exhaust Ventilation Systems
  2/1/2010 - Conference papers
  This paper describes lab experiments to examine the effect of spray type, pressure, machine body blocking sprays, and scrubber airflow on dust and gas levels while using a 12.2 m (40 ft) exhaust ventilation curtain setback from the face.
• Maintenance Free Impingement Screen In-Mine Testing
  6/15/2023 - Contracts and cooperative agreements
  A contract to test a maintenance-free flooded-bed scrubber screen for acceptable use in underground coal mining applications.
• Coal Mine Dust Mitigation Through Novel Scrubber Development and Numerical Modeling
  12/17/2021 - Contracts and cooperative agreements
  A capacity-building contract focused on coal dust mitigation utilizing a novel scrubber and numerical modeling.
• Maintenance Free Filters for Continuous Miner Scrubber Systems
  1/30/2020 - Contracts and cooperative agreements
  A contract with the University of KEntucky to develop maintenance-free continuous miner scrubber systems.
• Developing and Improving Respirable Dust Controls in Coal Mines
  10/5/2019 - Research projects
  To develop and evaluate technologies and approaches to improve effective dust controls to reduce respirable coal mine dust (RCMD) exposures in coal mines, focusing on reducing respirable quartz dust (RQD).
• Infographic: Reduce Float Dust Explosion Hazards: Add an In-line Wetted Scrubber
  3/1/2019 - Publications
  View this NIOSH infographic for information on adding an in-line wetted scrubber to reduce float dust.
• Empirical Engineering Models for Airborne Respirable Dust Capture from Water Sprays and Wet Scrubbers
  12/1/2018 - Peer reviewed journal articles
  An article presenting a dimensionless empirical model developed for predicting airborne dust capture efficiency of water sprays and wet scrubbers.
• CFD Gas Distribution Analysis for Different Continuous-miner Scrubber Redirection Configurations
  2/1/2018 - Peer reviewed journal articles
  A study in which a series of models using computational fluid dynamics (CFD) were used to examine gas distribution around a continuous miner with various fan-powered flooded bed scrubber discharge configurations in an exhaust curtain working face.
• Mobile Dry Scrubber Provides Cleaner Air for Downwind Roof Bolter
  10/12/2017 - Technology News
  A Technology News describing a self-tramming, remotely controlled mobile dry scrubber developed by J.H. Fletcher and Co. under a NIOSH contract to reduce exposure of miners to airborne dust.
• Technology News 559 - Mobile Dry Scrubber Provides Cleaner Air for Downwind Roof Bolter
  9/30/2017 - Technology News
  A Technology News describing a self-tramming, remotely controlled mobile dry scrubber developed by J.H. Fletcher and Co. under a NIOSH contract to reduce exposure of miners to airborne dust.