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Bioprocessing of raw feedstocks, such as coal, is an emerging technology. Although the use of microorganisms to produce alcohol, food stuffs, drugs, enzymes, and decomposition of wastes has been employed for many years, the concept of using microorganisms to produce materials from naturally occurring resources such as coal, is relatively new. The use of …
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2023210 · The results of the pilot-scale studies revealed that the ROM coal, containing 50% ash content, could be cleaned with the Baum jig providing a clean coal containing 36% ash at a yield of 52%. Read more
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2018810 · Coal samples were ground and sieved to a particle size smaller than 75 μm (200 mesh). Then the coal samples were demineralized by acid washing. Acid washing procedure of coal samples can be found in our previous work or other works [6, 10]. 20 g coal samples were mixed with 120 mL HCl (6 mol/L) and stirred for 24 h at room …
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2016121 · Coal is the dominant primary energy source in China and the major source of greenhouse gases and air pollutants. To facilitate the use of coal in an environmentally satisfactory and economically viable way, clean coal technologies (CCTs) are necessary. This paper presents a review of recent research and development of four kinds of CCTs: …
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Coal mining equipment that is used for surface mining could be used for a number of different processes. In addition to mining coal, this could include mining oil or a number of precious stones and metals. Surface mining is a process that requires the equipment to be able to move large volumes of earth materials and rocks from one location to ...
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2023731 · During the technical session, H L Sapru, CEO of MDCWL Limited, emphasized that coal washing has the potential to save up to 1 rupee per KWhr in the landing cost of coal for power plants. The country currently operates 20 washeries with a total capacity of 113.6 million tonnes per annum (MTPA), reflecting India's commitment to …
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Coal Crushersphotos Pltu From Tanzania - HN droled mine . crushersphotos de charbon pltu - tennis-berg. Coal Crushersphotos Harmoni - V United Exports Pvt Ltd alamat quarry pt lotus bogor - Jaw Crusher,Kecil Jaw Crusher, Read More - 188 …
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201752 · A new method for cleaning metallurgical coal to verify coal quality for coke making could replace a widely-used chemical-based process leading to a more accurate assessment of the economic ...
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200728 · The Application of Microcel TM Column Flotation to Fine Coal Cleaning. R. H. YOON Virginia Center for Coal and Minerals Processing, Department of Mining and Minerals Engineering, ... primarily as a result of incorporating a froth washing mechansim to remove the entrained mineral matter. However, the use of columns has several …
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2016820 · AbstractFly ash-based polymeric aluminum ferric chloride (PAFC) was prepared from fly ash leached with acid; the PAFC was used as a coagulant to treat coal-washing wastewater. The effects of pH, reaction temperature, and reaction time on coagulant performance were investigated, with optimal conditions determined using …
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