Coal Flotation and Fine Coal Utilization by J. S. Laskowski

By J. S. Laskowski

To stick ecocnomic whereas complying with environmental rules calls for that the coal not just increase positive coal restoration but additionally unearths greater methods for its usage. this is often the 1st monograph at the processing of excellent coal which acknowledges that every one unit operations that deal with advantageous coal rely on coal floor houses, and which in a single unmarried quantity offers a accomplished creation to coal floor chemistry, utilizing it conscientiously in treating coal flotation basics and engineering, high-quality coal manipulation, pelletization and briquetting, and coal-water slurries.Readers thinking about mineral processing, chemical engineering, mining and metallurgical engineering; technical body of workers operating for reagent providers; and scientists gaining knowledge of the sector of coal floor chemistry, flotation and wonderful coal usage will locate this quantity of serious curiosity.

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H. E Wyss, The chemistry of sulfur in coal. Br. Coal Util. Res. Assoc. Mon. , 25 (1961) 165. [21] A. Attar, Sulfur groups in coal and their determination. In: C. ), Analytical Methods for Coal and Coal Products, Academic Press, New York, 1979, Vol. 3, p. 585. [22] A. Attar and E Dupuis, Data on the distribution of organic sulfur functional groups in coals. L. Gorbaty and K. Ouchi (eds), Coal Structure. Adv. Chem. Ser. 192, American Chemical Society, Washington, DC, 1981, pp. 239-256. M. Stock, R.

For a low-rank coal, the acid-base contribution to the energy of water adhesion is practically the same as the dispersion forces (Lifshits-van der Waals) contribution; for higher-rank metallurgical coals, the dispersive forces' interactions constitute the main contribution. Of course, such an averaging interpretation assumes that the coal surface is homogeneous, which is known not to be the case. Finally, with this information it is possible to calculate the value of the contact angle of a water droplet on a smooth, unoxidized, homogeneous surface of a coal hydrocarbon matrix.

N. Teh, R. B. Smithan, The preparation of ultra-low ash coals. Proc. AIMM, 292 (1987) 61. K. B. T. Hinkley, Problems relating to the measurement of ideal flotation response. E. J. B. Hudyma (eds), Column '91. CIB, Sudbury, 1991, Vol. 1, pp. 99-107. T. Oliver, J. J. Miles, Liberation characteristics of a coal middlings. Coal Preparation, 16 (1995) 167. G. Austin, Patterns of liberation of ash from coal. Min. Metall. , 11 (1994) 148. B. Holland-Batt, Estimating liberation in coals. Coal Preparation, 15 (1994) 1.

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