Download or read book Characterization of Respirable Coal Mine Dust Size Distribution Chemical Composition and Source Contributions written by Behrooz Abbasi and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goals of this research are to conduct a comprehensive assessment of respirable coal mine dust (RCMD) size distributions, chemical compositions, and source contributions to assess the efficacy of current dust monitoring technologies, evaluate the potential causes of coal mine lung diseases, and help minimize exposure to RCMD.
Download or read book Information Report written by and published by . This book was released on 1980 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monitoring and Sampling Approaches to Assess Underground Coal Mine Dust Exposures written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2018-09-04 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal remains one of the principal sources of energy for the United States, and the nation has been a world leader in coal production for more than 100 years. According to U.S. Energy Information Administration projections to 2050, coal is expected to be an important energy resource for the United States. Additionally, metallurgical coal used in steel production remains an important national commodity. 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. Occupational exposure to RCMD has long been associated with lung diseases common to the coal mining industry, including coal workers' pneumoconiosis, also known as "black lung disease." Monitoring and Sampling Approaches to Assess Underground Coal Mine Dust Exposures compares the monitoring technologies and sampling protocols currently used or required by the United States, and in similarly industrialized countries for the control of RCMD exposure in underground coal mines. This report assesses the effects of rock dust mixtures and their application on RCMD measurements, and the efficacy of current monitoring technologies and sampling approaches. It also offers science-based conclusions regarding optimal monitoring and sampling strategies to aid mine operators' decision making related to reducing RCMD exposure to miners in underground coal mines.
Download or read book Coal Mine Dust written by Patrick Fitzhugh and published by Nova Science Publishers. This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Book & CD. Coal mine dust is one of the most serious occupational hazards in the coal mining industry, and overexposure can cause coal workers' pneumoconiosis (CWP) and a number of other lung diseases, collectively referred to a black lung disease. CWP has been the underlying or contributing cause of death for more than 75,000 coal miners since 1968. This book provides an overview of key studies, background history and health reviews on occupational exposure to respirable coal mine dust.
Download or read book Informational Report written by and published by . This book was released on 1980 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Characterization of Forms of Silica with Varying Degrees of Crystallinity in Respirable Mine Dust written by Saboor Ahmad Torabi and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal was, is, and will be one of the major energy sources for our society. Coal mining activities, from extraction to utilization, intrinsically produce coal dust and its associated aerosols, which are known to be safety and health hazards. Within the mine dust aerosols, the exposure of the respirable crystalline silica (RCS) dust is the most toxic component for the coal workers. Excessive RCS exposure can potentially cause the development of disabling and irreversible lung disease which is known as silicosis. The silicosis cases and its related mortality trend are still high in the United States, and the recent resurgence of coal miners' lung disease sends an alarming sign for the industry. Characterization of the physiochemical properties of RCS is the prerequisite for the improved understanding of its toxicity and adverse effects on miners' respiratory system. In this study, the mineral composition of respirable coal mine dust (RCMD), and type (s) of crystalline silica with its varying degrees of crystallinity in the mine dust were investigated. For this purpose, samples were collected from the top of coal (ToC) and bottom of coal (BoC) rock strata, which are believed to have the highest amount of crystalline silica. In addition, we also collected rock samples from both the roof and pillar of a limestone mine in Pennsylvania to define its crystalline components for potential silica characterization. After preparing the lab-generated respirable dust using a cryomill, the X-ray diffraction (XRD) technique in combination with JADE software was employed to identify the mineral phases and determine the quantitative mineral composition. The results from the quantitative analysis revealed that quartz (crystalline silica), muscovite, kaolinite, and clinochlore are the most abundant minerals in the ToC and BoC strata. The average amount of crystalline silica (quartz) was assessed to be 25% in the ToC and 17.3% in the BoC samples from the Lower Freeport coal seam. The quartz content in the samples from the ToC strata of Lower Kittanning was found to be 16.5%. Furthermore, phase identification analyses determined that, among the quartz types, alpha quartz ([alpha]-quartz) is the only type that exists in the samples. The quantitative analysis also reported a considerable amount of amorphous content for all samples. The amorphous content associated with the samples from near the coal seam comparatively showed a higher quantity, suggesting that the coal-ToC and coal-BoC interfaces contain a significant amount of amorphous. The quantitative analyses of limestone samples reported high calcite and dolomite with negligible quartz content. The amount of quartz in the sample from the pillar of the limestone mine was 0.22%, whereas no quartz was reported for the sample from the roof of the same mine. According to the results, it is advisable to conduct additional elemental analysis to verify the mineral composition of the samples. Additionally, it is recommended to undertake comprehensive investigations into the mineralogy and toxicity of the amorphous content found in coal mine dust, especially those originating from the interfaces of coal and rock strata.
Download or read book Sources and Characteristics of Quartz Dust in Coal Mines written by John A. Organiscak and published by . This book was released on 1990 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Diesels in Underground Mines written by and published by . This book was released on 1987 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Dust Control Handbook for Industrial Minerals Mining and Processing written by Andrew B. Andrew B. Cecala and published by CreateSpace. This book was released on 2015-05-09 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout the mining and processing of minerals, the mined ore undergoes a number of crushing, grinding, cleaning, drying, and product sizing operations as it is processed into a marketable commodity. These operations are highly mechanized, and both individually and collectively these processes can generate large amounts of dust. If control technologies are inadequate, hazardous levels of respirable dust may be liberated into the work environment, potentially exposing workers. Accordingly, federal regulations are in place to limit the respirable dust exposure of mine workers. Engineering controls are implemented in mining operations in an effort to reduce dust generation and limit worker exposure.
Download or read book Measurement of Incombustible Content of Coal Mine Dust Samples written by Nevin Greninger and published by . This book was released on 1988 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Information Circular written by and published by . This book was released on 1987 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book On the Stability of Foam written by Benjamine Tokuo Tsunajima and published by . This book was released on 1925 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book List of Bureau of Mines Publications and Articles with Subject and Author Index written by United States. Bureau of Mines and published by . This book was released on 1992 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book List of Bureau of Mines Publications and Articles with Subject and Author Index written by United States. Bureau of Mines. Office of Public Information and published by . This book was released on 1985 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book List of Bureau of Mines Publications and Articles with Subject and Author Index written by United States. Bureau of Mines. Branch of Editorial Services and published by . This book was released on 1985 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mine Environmental Engineering written by Mritunjoy Sengupta and published by CRC Press. This book was released on 1989-11-30 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is one of the very few books which provides, at an advanced level, a general introduction to the state-of-the-art on mine environmental engineering. This work focuses on the elements of the process environment and their interactions with the regulatory and social environments. It systematically presents the major environmental problems of mining operations. Special emphasis is placed on mathematical modeling, computer simulation, expert systems and electronic remote monitoring of mine atmosphere. Filled with illustrations, this work describes industrial practices in detail and discusses government mining regulations on environmental standards around the world. This rare, two-volume publication is a useful text for students, professional engineers, research scientists, and government officials concerned with health and safety in mining operations.
Download or read book Analytical Chemistry of Aerosols written by Kvetoslav R. Spurny and published by CRC Press. This book was released on 2017-11-22 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: Until the 1980s, researchers studied and measured only the physical properties of aerosols. Since the 80s, however, interest in the physicochemcal properties of aerosols has grown tremendously. Scientists in environmental hygiene, medicine, and toxicology have recognized the importance held by the chemical composition and properties of aerosols and the interactions of inhaled, "bad" aerosols. This book offers the first comprehensive treatment of modern aerosol analytical methods, sampling and separation procedures, and environmental applications, and offers critical reviews of the latest literature. This important field has developed rapidly in the last 15 years, but until now, no book effectively summarized or analyzed the existing research. Analytical Chemistry of Aerosols reviews procedures, techniques, and trends in the measurement and analysis of atmospheric aerosols. With contributions from acknowledged, international experts, the book discusses various methods of bulk analysis, single particle analysis, and the analysis of special aerosol systems, including fibrous and bacterial aerosols.
