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Occurrence and Distribution of Minerals in Illinois Coals (Classic Reprint)

  • Kartonierter Einband
  • 66 Seiten
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Excerpt from Occurrence and Distribution of Minerals in Illinois CoalsAs techniques for the utilization of coal have become incre... Weiterlesen
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Excerpt from Occurrence and Distribution of Minerals in Illinois Coals

As techniques for the utilization of coal have become increasingly more sophisticated, the detrimental effects of the mineral matter have become more significant, partly because larger amounts of coal are used in single installa tions.

Power plants have been confronted with problems of fireside boiler - tube fouling and corrosion as higher and higher superheater temperatures have been achieved. Problems of abrasion in the mills used to pulverize the coal prior to injecting it into a powder - fuel-fired boiler have also been encountered. Lower temperature corrosion due to condensation of sulfurous acid also has had to be dealt with. Handling of vast quantities of coal ash and finding a profitable, or at least inexpensive, method for its disposal are another important considera tion for the large consumer.

The minerals associated with the coal are of concern in the mining of the coal. Problems presented by large pyrite nodules (sulfur balls and by seams split by mineral bands are often encountered in mining.

Within the past few years, the widespread interest of the general public in both air and water pollution has presented both the coal consumer and the pro duoer with a pressing need to know, in much greater detail than previously, the constitution of the mineral matter in coal and its products and by - products. Much of this interest has been directed to the forms of sulfur in coal and coal refuse, to the sulfur oxides formed during combustion of the coal, and to the sulfates that form when coal oxidizes There has been a consequent demand for data concerned with the origin, distribution, and reactions of sulfur in coal.

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Titel: Occurrence and Distribution of Minerals in Illinois Coals (Classic Reprint)
EAN: 9780331279689
ISBN: 0331279681
Format: Kartonierter Einband
Anzahl Seiten: 66
Gewicht: 103g
Größe: H229mm x B152mm x T3mm
Jahr: 2017



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