Results 111 to 120 of about 5,145 (216)

Coal Mine Dust Size Distributions, Chemical Compositions, and Source Apportionment

Current regulations mandate the monitoring of respirable coal mine dust (RCMD) mass and crystalline silica in underground coal mines to safeguard miner health.
Behrooz Abbasi, Mohammadreza Elahifard, Lung-Wen Antony Chen, John G. Watson, Xiaoliang Wang, Judith C. Chow, Bankole Osho   +6 more
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Physicochemical characteristics and oxidative potential of size-segregated respirable coal mine dust: Implications for potentially hazardous agents and health risk assessment

The health risks associated with exposure to respirable dust in coal mines have been attracted much attention by an increasing number of researchers.
Moreno, Natalia, Uzu, Gaëlle, Sola, Patricia Córdoba, Zhuang, Xinguo, Trechera, Pedro, Shangguan, Yunfei, Li, Jing, Querol, Xavier, Li, Baoqing   +8 more
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Research on the mechanism of coal wall fragmentation and dust production characteristics in the perspective of differentiated discrete elements

Scientific Reports
In order to efficiently and accurately control coal dust pollution in coal mining faces, this study addresses the insufficient research on the dust generation mechanism during cutting.
Zhen Li, Deji Jing, Shaocheng Ge, Xiangxi Meng, Di Yang, Shuaishuai Ren   +5 more
doaj   +1 more source

Particulate emissions from a steel works a quantitative ecological assessment [PDF]

, 2008
The research presented here was the response to an improvement condition issued by the Environment Agency. The aim of the present study was to examine the potential effects of the particulate emissions from an integrated iron and steel works, to an ...
Turton, Rachael Heather
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Non-conforming rock dust [PDF]

"In September 2011 as part of an ongoing investigation, the National Institute for Occupational Safety and Health (NIOSH) determined that rock dust not conforming to the requirements in 30 CFR Section 75.2 for particle size and caking properties is being

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Sci Total Environ [PDF]

Background:Despite decreasing US consumption, over 90 million metric tons of coal were exported by the US in 2023, requiring significant infrastructure for transport, handling, and storage of coal at export terminals.

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Control of airborne respirable dust in the face area with water sprays using a full-scale laboratory model [PDF]

"This report presents the results of a Bureau of Mines laboratory investigation of the effect of water sprays in reducing respirable dust that escaped the face area of a full-scale wooden model of a mine entry containing a wooden model of a ripper-type ...

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Determination of alpha quartz particle distribution in respirable coal mine dust samples and reference standards

"The objective of this Bureau of Mines research was to compare the size distribution of respirable quartz collected at coal mines with that of several reference standards used to quantify quartz in coal mine dust samples.

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Study on mechanism of air distribution volume's influence on airflow, dust migration and spray dust reduction in fully mechanized caving face. [PDF]

Sci Rep
Hongjie Z, Shaocheng G, Tian Z, Deji J, Xi C, Xingyu C.   +5 more
europepmc   +1 more source

Particle size fractionation of soil containing coal and combusted particles

, 1999
Standard procedure for dispersing natural soils for particle size fractionation can be too aggressive for soil containing coal and other organic particles from coal industries.
Schmidt, M., Rumpel, C., Kögel-Knabner, I.   +2 more
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