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The surface area of coal particles

โœ Scribed by H.G. Linge


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
367 KB
Volume
68
Category
Article
ISSN
0016-2361

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๐Ÿ“œ SIMILAR VOLUMES


Surface area variations of coal during s
โœ David Medeiros; Eugene E. Petersen ๐Ÿ“‚ Article ๐Ÿ“… 1979 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 287 KB

Changes in the surface area of a Wyoming sub-bituminous coal with progressive extraction have been investigated. Surface areas were determined from CO, adsorption isotherms at 196 K using the BET equation with 9.234 nm2 for the molecular cross-sectional area of the CO, molecule at 196 K. Surface are

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โœ Om P. Mahajan ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 934 KB

## Coals are highly porous materials with most of their surface area enclosed in pores of molecular dimensions. Even though coal porosity plays a key role in practically all aspects of its utilization, WC still do not know with any certainty the magnitude of coal surface area and its pore size dis

Surface-area reduction of coal during sl
โœ Nicholas P. Vasilakos; William H. Corcoran ๐Ÿ“‚ Article ๐Ÿ“… 1983 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 417 KB

The effects of reaction time, solvent and temperature on the internal surface area of coal during slurry-phase chlorination were experimentally studied. Areas established using nitrogen as the adsorbate were found to decrease sharply with reaction time, especially in the early stages of the chlorina

The effects of iron sulphide surface are
โœ Frances V. Stohl ๐Ÿ“‚ Article ๐Ÿ“… 1983 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 590 KB

The purpose of this work was to determine the effects of surface area variations of iron sulphides on coal liquefaction. Several iron sulphides were synthesized including pyrites (Fe!&) with 46.6 wt% Fe, pyrrhotites (Fe,.,S) with -60 wt% Fe and irortsulphur compounds of unknown composition. Surface

Calcination kinetics and surface area of
โœ R. H. Borgwardt ๐Ÿ“‚ Article ๐Ÿ“… 1985 ๐Ÿ› American Institute of Chemical Engineers ๐ŸŒ English โš– 875 KB

The rates of calcination of two types of limestones, ranging in particle size from 1 to 90 pm, were measured over the temperature range 516 to 1,OOO"C. A kinetic model based on the B.E.T. (Brunauer-Emmett-Teller method) surface area of the CaCO3 correlates the results over 5 orders of magnitude in r