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Generation of free radicals in partial oxidation of coal

โœ Scribed by David A. Cole; Richard G. Herman; Gary W. Simmons; Kamil Klier


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
507 KB
Volume
64
Category
Article
ISSN
0016-2361

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๐Ÿ“œ SIMILAR VOLUMES


Free radicals in coals and coal conversi
โœ Leon Petrakis; David W. Grandy ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 546 KB

The nature and concentration of free radicals in natural and pyrolysed samples of several high-purity resinites, vitrinites and fusinites have been determined by electron spin resonance (e.s.r.) spectrometry. Careful measurements of theg-values, linewidths and integrated intensities have been made.

Free radicals in coal and coal conversio
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The results of conversion determinations on the products from Powhatan No.5 coal liquefied in an autoclave and in a high-pressure, high-temperature e.s.r. cavity are reported. Oil, asphaltene and preasphaltene yields, and overall conversion have been determined for Powhatan No.5 coal samples liquefi

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In a continuing series of publications, a systematic investigation of the free radicals during coal depolymerization under SRC-II preheater/reactor conditions has been made. A uniquely designed electron spin resonance (e.s.r.) cavity allows the monitoring of free radicals and how they are affected b

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## Samples of Belle Ayr (WY) subbituminous and Powhatan No. 5 mine (Pittsburgh Seam) bituminous coals were dried with gases including nitrogen, air and nitrogen/air mixture at temperatures essentially from ambient to 200ยฐC as part of a study to measure liquefaction behaviour. While the oxygen upta