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Desulfurization of various Indian coals by hydrogen donor solvent extraction

โœ Scribed by Ratna Choudhury; A.K. Bhaktavatsalam; Ritu Singh

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
352 KB
Volume
72
Category
Article
ISSN
0016-2361

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Desulfurization of various Indian coals
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โœ Ratna Choudhury; A.K. Bhaktavatsalam; Ritu Singh ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 175 KB

was found to have a slow decrease initially and rapid decrease during the final stages of burn-out. Hemispherical emittance and transmittance as well as net radiative heat transferred across a 2m wide slab was calculated for particles only and also for gas-particle interaction.

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The kinetics of the extraction of a high-volatile bituminous coal with 1,2,3,4-tetrahydronaphthalene (tetralin) under the influence of ultrasonic energy has been studied at five temperatures: from 47 to 87ยฐC. The effects of intensity of ultrasonic energy, particle size, and hydrogen content of the

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The role of hydrogen and hydrogen-donor solvents in the liquefaction of a Victorian brown coal without added catalyst and in the presence of iron-and tin-based catalysts has been studied. Results of an investigation of the effect of temperature and pressure on the conversion parameters, of independe