Best practices for dust control in coal mining, second edition.

doi:10.26616/nioshpub2021119

2021

DOI: 10.26616/nioshpub2021119

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Best practices for dust control in coal mining, second edition.

Abstract: This document is in the public domain and may be freely copied or reprinted. DisclaimerMention of any company or product does not constitute endorsement by the National Institute for Occupational Safety and Health (NIOSH). In addition, citations to websites external to NIOSH do not constitute NIOSH endorsement of the sponsoring organizations or their programs or products. Furthermore, NIOSH is not responsible for the content of these websites. All web addresses referenced in this document were accessible as of… Show more

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Cited by 9 publications

References 55 publications

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Effects of dust controls on respirable coal mine dust composition and particle sizes: case studies on auxiliary scrubbers and canopy air curtain

Animah,

Keles,

Reed

et al. 2024

Int J Coal Sci Technol

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Control of dust in underground coal mines is critical for mitigating both safety and health hazards. For decades, the National Institute of Occupational Safety and Health (NIOSH) has led research to evaluate the effectiveness of various dust control technologies in coal mines. Recent studies have included the evaluation of auxiliary scrubbers to reduce respirable dust downstream of active mining and the use of canopy air curtains (CACs) to reduce respirable dust in key operator positions. While detailed dust characterization was not a focus of such studies, this is a growing area of interest. Using preserved filter samples from three previous NIOSH studies, the current work aims to explore the effect of two different scrubbers (one wet and one dry) and a roof bolter CAC on respirable dust composition and particle size distribution. For this, the preserved filter samples were analyzed by thermogravimetric analysis and/or scanning electron microscopy with energy dispersive X-ray. Results indicate that dust composition was not appreciably affected by either scrubber or the CAC. However, the wet scrubber and CAC appeared to decrease the overall particle size distribution. Such an effect of the dry scrubber was not consistently observed, but this is probably related to the particular sampling location downstream of the scrubber which allowed for significant mixing of the scrubber exhaust and other return air. Aside from the insights gained with respect to the three specific dust control case studies revisited here, this work demonstrates the value of preserved dust samples for follow-up investigation more broadly.

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Effects of dust controls on respirable coal mine dust composition and particle sizes: case studies on auxiliary scrubbers and canopy air curtain

Animah,

Keles,

Reed

et al. 2024

Int J Coal Sci Technol

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A Second Case Study of Field Test Results for Comparison of Roof Bolter Dry Collection System with Wet Collection System

Reed

Klima

Mazzella

et al. 2022

Mining, Metallurgy & Exploration

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An Exploratory Investigation on the Effectiveness of a Novel Vibration-Enhanced Flooded-Bed Dust Scrubber

Uluer,

Shigo,

Amini

et al. 2023

Mining, Metallurgy & Exploration

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Best practices for dust control in coal mining, second edition.

Cited by 9 publications

References 55 publications

Effects of dust controls on respirable coal mine dust composition and particle sizes: case studies on auxiliary scrubbers and canopy air curtain

Effects of dust controls on respirable coal mine dust composition and particle sizes: case studies on auxiliary scrubbers and canopy air curtain

A Second Case Study of Field Test Results for Comparison of Roof Bolter Dry Collection System with Wet Collection System

An Exploratory Investigation on the Effectiveness of a Novel Vibration-Enhanced Flooded-Bed Dust Scrubber

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