NDLI: Characterization Analysis of Airborne Particulates from Australian Underground Coal Mines Using the Mineral Liberation Analyser

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Characterization Analysis of Airborne Particulates from Australian Underground Coal Mines Using the Mineral Liberation Analyser

Content Provider	MDPI
Author	LaBranche, Nikky Teale, Kellie Wightman, Elaine Johnstone, Kelly Cliff, David
Copyright Year	2022
Description	Exposure monitoring and health surveillance of coal mine workers has been improved in Australia since coal workers’ pneumoconiosis was reidentified in 2015 in Queensland. Regional variations in the prevalence of mine dust lung disease have been observed, prompting a more detailed look into the size, shape, and mineralogical classes of the dust that workers are being exposed to. This study collected respirable samples of ambient air from three operating coal mines in Queensland and New South Wales for characterization analysis using the Mineral Liberation Analyser (MLA), a type of scanning electron microscope (SEM) that uses a combination of the backscattered electron (BSE) image and characteristic X-rays for mineral identification. This research identified 25 different minerals present in the coal samples with varying particle size distributions for the overall samples and the individual mineralogies. While Mine 8 was very consistent in mineralogy with a high carbon content, Mine 6 and 7 were found to differ more significantly by location within the mine.
Starting Page	796
e-ISSN	2075163X
DOI	10.3390/min12070796
Journal	Minerals
Issue Number	7
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2022-06-22
Access Restriction	Open
Subject Keyword	Minerals Coal Mine Dust Lung Disease Coal Workers Pneumoconiosis Particle Characterization Mineral Liberation Analyser
Content Type	Text
Resource Type	Article

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