Bentonite Mine Dust Monitoring
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- Bentonite Mine Dust Monitoring
Section snippets Mine dust pollution and its environmental & health risks. As the world's resources continue to be exploited, mining activities are giving rise to increasing environmental damage and pollution, of which mine dust pollution is considered to be one of the biggest threats to environment and public health (Entwistle et al., 2019; …
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Contract # 75D30119C06390: Start Date: 9/15/2019: Research Concept: Respirable coal mine dust (RCDM) in underground mines consists of a mixture of very small particles of coal, silica, silicate minerals, and other minerals as well as organic materials found in the mine environment.
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This comprehensive solution, combining IoT-based monitoring and ML-based prediction, contributes to sustainable mining practices, safeguarding worker well-being, and …
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A morbidity and mortality study took place, focused on Milos Island, where perlite and bentonite mining sites are located. Official data concerning number and cause of deaths, regarding specific respiratory diseases and the total of respiratory diseases, for both Milos Island and the Cyclades Prefecture were used. Standardized Mortality Ratios …
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Furthermore, the Mine Safety and Health Administration (MSHA) annual accident database between 1989 and 2018 was utilized to investigate the coal mine dust and quartz concentration in various geographical locations to identify the differences in concentration of mine dust in Western, Interior, and Appalachian regions.
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Lina Zheng a School of Safety Engineering, China University of Mining and Technology, Xuzhou, People's Republic of China;b Jiangsu Engineering Research Center for Dust Control and Occupational Protection, China University of Mining and Technology, Xuzhou, People's Republic of China;c Institute of Occupational Health, China University …
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characterization of bentonite based on smectite content in bentonite are reported. Bentonite found in a drill core of Tsunagi mine, Niigata, Japan, was used in the present study, because the mine is new and bentonite from it has not been characterized yet. Powdered raw bentonite was obtained by placing blocks of bentonite into acetone in
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of bentonite, and has 70 percent of the world's known deposits. Wyoming's annual bentonite production has risen from 393 tons in 1921 to 4.1 million tons in 2013. Mining operations . are located in four districts: Clay Spur District (Northern Black Hills), Colony District (Southern Black Hills), Kaycee District, and Eastern Bighorn Basin ...
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This paper prepares modified bentonite powder by three methods: silane coupling agent surface modification, silica surface encapsulation, and quaternary …
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The adaptive coal mine dust removal system solves key technical problems such as real-time monitoring of coal mine dust removal and intelligent control of spray …
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Mine dust pollution and its monitoring: Calculating the change of aerosol optical depth (AOD) to infer the mine dust pollution and the progress of mine dust …
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Cowboy Mining Company (a division of PDSCo, Inc.) is a privately held bentonite mining, processing and packaging operation located in Southwest Texas near Big Bend National Park. ... to plug or decommission wells or for sealing groundwater monitoring well isolation aquifers. Bentonite can also be used for grouting geothermal heat loop systems ...
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The IoT-based Dust Monitoring System exhibits cutting-edge technology, precision, and adaptability, making it a powerful tool for safeguarding miners' health and …
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Bentonite, a clay with numerous industrial and consumer applications, is mined and processed in many countries of the world. Its many beneficial uses also create the potential for widespread occupational and consumer exposure. The available studies on toxicity and epidemiology indicate that the prin …
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of any non-volatile respirable dust. In addition to inert dusts [4], the method has been recommended for respirable coal dust. The method is biased in light of the recently adopted international definition of respirable dust, e.g., ≈ +7% bias for non-diesel, coal mine dust [5]. INTERFERENCES:
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At the same time, in order to propose a method for monitoring mine dust pollution on a regional scale, based on the Dense Dark Vegetation (DDV) algorithm, the third section of this paper analysed the aerosol optical depth (AOD) change in Dexing City of China using the data of 2010, 2014, 2018 and 2021 from the NASA MCD19A2 …
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The Bentonite Performance Minerals, LLC., mining and production operation teams in Lovell and Colony, Wyo., won first-, second-, and third-place awards in the state 2023 mining safety competition (non-coal …
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An ongoing resurgence of occupational lung disease among coal miners in the United States has been linked to respirable crystalline silica (RCS). To better protect miners, a deeper understanding of key exposure factors is needed. As part of a larger investigation of RCS in 15 coal mines, this paper describes analysis of silica mass …
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Considering mine bentonite production in 2018, the highest outputs are from China (5600 kt), USA (4670 kt), Turkey (1500 kt), and Greece (1360 kt). ... the treatment of glass, foundry and other sand, dust from calcined clay products. A special category is unused raw kaolins with problematic properties, such as high Fe 2 O3 content, high ...
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3.1.2 Continuous Emission Monitoring System (CEMS) Data 31 3.2 Mass Balance 31 3.3 Engineering Calculations 32 ... 4.1.3 Dust Emissions from Mining of Non-Metallic Minerals 37 4.1.3.1 Control Technologies 41 ... Particle Size Distributions for Bentonite Processing 51 17 - Emission Factors for Vermiculite Processing 51 ...
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[2] Kun Yang and Dongxu Wu 2012 Online Monitoring Technology for Mine Dust Concentration[J] Journal of Liaoning Technical University (Natural Science Edition) 6 846-849 Google Scholar [3] Jeff D., Yanosky Phillip, Williams L., David L. and MacIntosh 2002 A comparison of two direct-reading aerosol monitors with the federal reference …
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To enhance the space suspension property of bentonite, in this paper, three surface modification methods are proposed to prepare the modified bentonite-based …
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Single-drop and rotating drum dustiness testing was used to investigate the dustiness of loose and compacted montmorillonite (Bentonite) and an organoclay …
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Envirosuite solutions provides operational efficiency and cost savings for mining organisations. For example, traditionally mines will have dust management strategies, such as watering haul roads, operating to differing production rates or taking additional measures like standing up non-essential equipment such as dozers, or reducing the number of …
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To control road dust pollution, a starch/organo-bentonite composite liquid dust suppressant (CLDS) was successfully prepared. Potato starch was dissolved with NaOH solution at room temperature ...
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The information on occupational exposure to bentonite dust in mines, processing plants, and user industries (foundries) is summarized in Table 8. These data reveal a wide range of values for both total and respirable bentonite dust and indicate that very high total dust concentrations can be present in industrial settings involving both the ...
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The PDM has been included in the proposed Mine Safety and Health Administration (MSHA) coal mine dust rule as a new enforcement sampling device. NIOSH is exploring the use of remote …
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However, coal production, like all other conventional mining activities, creates dust in the workplace. Respirable coal mine dust (RCMD) comprises the size fraction of airborne particles in underground mines that can be inhaled by miners and deposited in the distal airways and gas-exchange region of the lung. ... Monitoring and Sampling ...
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In this study, some environmentally friendly anti-dust agents including sugar cane molasses, polyacrylamide and bentonite were used to control dust emission from the forest road surface within the ...
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Real -time dust monitoring solutions generally can be used for general spot checks, walk-through surveys and individual monitoring, detecting the total level of dust in the air. These instruments highlight exactly when and where excessive dust levels are occurring to support real-time rapid decision-making.
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