Many translated example sentences containing "high sulfur coal" – Spanish-English dictionary and search engine for Spanish translations.

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Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.

LIMN is commonly used to design and simulate coal processing circuits based on size and density distribution data of coal. In this study, particle distribution data for size, density, and floatability were established for Punjab coal after crushing it to 38 mm. Punjab coal contains high amounts of ash (34.70%) and sulfur (8.34%).

Many translated example sentences containing "high sulfur coal" – Spanish-English dictionary and search engine for Spanish translations.

Apr 12, 2014 · By restricting high sulfur coal, however, Chinese coal imports could slow much quicker than many expect, putting downward pressure on global coal prices. UBS predicts that coal .

Coal can contain up to 10% sulfur by weight, although values of 1-4% are more typical depending on the region where the coal was extracted. Sulfurous gases (primarily sulfur dioxide) produced by the combustion of fossil fuels are the major cause of acid rain and .

LIMN is commonly used to design and simulate coal processing circuits based on size and density distribution data of coal. In this study, particle distribution data for size, density, and floatability were established for Punjab coal after crushing it to 38 mm. Punjab coal contains high amounts of ash (34.70%) and sulfur (8.34%). Float-sink ...

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Historically, coal-fired power plants were the largest source of reactive sulfur, a component of acid rain, to the biosphere. A new study recently publishing Aug. 10 in the journal Nature ...

remove inorganic sulfur and organic sulfur in coal, but problems such as high cost, long production cycles, and pollution still remain to be addressed. Physical desulfurization methods can only remove inorganic sulfur and are economical and practical in nature.14,15 High-gradient magnetic separation technology is an effective method for physical desulfurization, which can be used to deal with ...

Coal and Coke Standards from Alpha Resources. Stevensville, Michigan, April 28, 2020 – Alpha Resources LLC has produced their first Ferrochrome Certified Reference Material, AR 308, for Carbon and Sulfur. "Alpha Resources has not previously offered any Ferrochrome materials as a CRM; being our first, this is a notably high carbon which is not typically presented in other CRMs," notes ...

high-sulfur coal is burned, there are three alternatives for producing gaseous emissions meeting air quality standards: (i) Coal can be converted to a sulfur-free fuel; (ii) coal can be burned di-rectly at a rate and under conditions that generate emissions meeting ambi-ent air quality standards; or (iii) coal can be burned and the sulfur oxide gases removed during combustion or before the ...

High-sulfur zones in the lower bench of the Fire Clay coal bed, the stratigraphically highest coal bed considered here, are more problematical. The lower bench, which is of highly variable thickness and quality, generally is overlain by a kaolinitic flint clay, the consequence of a volcanic ash fall into the peat swamp. In southern Perry and Letcher counties, a black, illite-chlorite clay ...

Aug 10, 2020 · Historically, coal-fired power plants were the largest source of reactive sulfur, a component of acid rain, to the biosphere. A new study recently publishing Aug. 10 in the journal Nature ...

Combustion of high-sulfur coals is a major source of anthropogenic sulfur oxides emissions in the United States and an important contributor to acid rain. Pyrite is the dominant inorganic sulfur form in coal and must be removed in any effective pre-combustion coal cleaning technology.

Apr 10, 2019 · The coal mining industry, especially high-sulfur coal operations such as Bethesda, has been hard-hit by environmental regulations. Recently, however, a combination of increased demand for coal and new pollution reduction technologies has led to an improved market demand for high-sulfur coal.

When coal is burned, it releases impurities that can combine with oxygen to form sulfur dioxide (SO2). When SO2 combines with moisture in the atmosphere, it produces acid rain that can harm forests and lakes. Because of environmental regulations limiting sulfur emissions, low-sulfur coals can command a higher price than high-sulfur coals.

Studies on the effect of coal particle size on biodepyritization of high sulfur coal in batch bioreactor ... (1985). Biological removal of pyritic sulfur from coal by the thermophilic organism Sulfolobus acidocaldarius. Biotechnol and Bioengg. 27(1), 41-49. DOI: 10.1002/bit.260270107. 3. Aditiawati, P. Akhmaloka, Astuti, D.I. Sugilubin & Pikoli, M.R. (2013). Biodesulfurization of sub ...

Traduzioni in contesto per "of high-sulfur coal" in inglese-italiano da Reverso Context: