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Results 11 - 20 of 22
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7/19/2016 - Interagency agreementsAn interagency agreement to extend and monitor the scrubber performance in escape and rescue mining rebreathers.
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7/18/2016 - Contracts and cooperative agreementsA contract to design, construct, and test two new dust collection components for continuous mining operations in underground coal mines.
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2/21/2016 - Conference proceedings, Peer reviewed journal articlesThis publication describes the results from testing a new dry scrubber that's designed to dramatically cut the levels of coal and quartz (silica) dust in underground coal mines.
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12/17/2013 - Reports of InvestigationsThis Report of Investigations compares dust levels generated in 20-ft cuts when using traditional exhaust face ventilation without a scrubber to dust levels in 20-ft cuts when using extended curtain setbacks with a scrubber operating.
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6/1/2008 - Conference papersThis paper describes the effect of machine-mounted dust scrubbers on the performance of face ventilation systems using extended-cut mining with a blowing curtain.
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6/1/2006 - Conference papersTests were conducted in a full-scale ventilation gallery with a model mining machine that simulated airflow created by a dust scrubber. The results showed that operation of machine-mounted scrubbers improved face ventilation when blowing ventilation is ...
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1/1/2006 - Peer reviewed journal articlesNIOSH recently investigated the performance of a lower-pressure, water-powered in-line series spray scrubber for removing localized airborne dust emitted at the source. Results showed noticeable improvements in airborne dust capture efficiency through ...
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6/1/2001 - Conference papersResearch to determine how machine-mounted water sprays and a scrubber interact to reduce methane levels and what spray configurations provide the best face ventilation when used with a scrubber.
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2/1/2001 - Conference papersPast studies with blowing face ventilation systems have shown that using a machine-mounted scrubber and water sprays can reduced methane levels at the face.
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7/1/2000 - Peer reviewed journal articlesSupplemental water sprays were placed along the sides of a continuous mining machine to improve suppression and confinement of the dust cloud under the cutting boom to reduce downwind dust levels. Using a full-scale mock-up of a continuous mining machi...
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Content source: National Institute for Occupational Safety and Health, Mining Program