1991 International Conference on Coal Science Proceedings. by Yong Zhou PDF

By Yong Zhou

ISBN-10: 0750603879

ISBN-13: 9780750603874

1991 overseas convention on Coal technological know-how lawsuits

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Extra info for 1991 International Conference on Coal Science Proceedings. Proceedings of the International Conference on Coal Science, 16–20 September 1991, University of Newcastle-Upon-Tyne, United Kingdom

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G. méthylène and ether linkages) and polar (electrostatic) interactions are reduced. ) indicated by grindability passes through a minimum [4] near the upper limit of the bituminous range. These effects clearly relate to the criteria which distinguish bituminous and anthracitic coals and, given that covalent crosslinkages and polar interactions decrease with increasing rank, are consistent with the electrodynamic interactions growing in importance and contributing more to molecular stability. Quinga and Larsen [5] have provided a rationale for this - the closer packing and growth in size of the aromatic units with increasing rank particularly near the end of the bituminous range and the short-range nature of dispersion forces.

2nd Int. Conf. on Proc. & Util, of High Sulfur Coals, 1987, Elsevier, 94. Allardice, DJ. G. Fuel, 1971, 50, 236. P. , Jr. Fuel, 1971, 50, 308. , and Griswold, T. ACS Div. , 1988, 33(2), 333 and 33(3), 7. , Malhotra, V. ACS Div. , 1991, 36(1) , 108. , Energy and Fuels, 1990, 4, 448. Allardice, DJ. , Fuel, 1971, 50, 201. C. ACS Div. , 1988, 33(1), 387. , Fuel, 1986, 65, 647. Janikowski, S. K. , Fuel, 1989, 68, 95. M. , manuscript submitted for review to Fuel, 1990. Κ. , Fuel, 1986, 65, 298. M. Fuel, 1989,12, 1609.

A. In 'Advances in Magnetic Resonance', Vol. 12, Ed. S. Waugh, Academic, San Diego, 1988, pp. 385-421. 9. J. A. In 'Magnetic Resonance of Solid Carbonaceous Fuels', Amer. Chem. Soc. Adv. in Chem. Series, Eds. R. Botto and Y. Sanada, in press. 34 40 30 CVJ 2E 20 oo 10 + o > ° o i +Θ o> 82 84 86 B8 Cardon (%daf) 90 84 86 88 Carbon (%daf) Fig. 1 Comparison of molecular déstabilisation (AN^jCsolv)) of bituminous vitrinites by pyridine (o, -70 days; +, -390 days) and pyridine-CS2 ^ » ~ ^ days). Fig.

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1991 International Conference on Coal Science Proceedings. Proceedings of the International Conference on Coal Science, 16–20 September 1991, University of Newcastle-Upon-Tyne, United Kingdom by Yong Zhou


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