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Dynamic behaviour of sulfur forms in rapid pyrolysis of density separated coals

โœ Scribed by Katsuyasu Sugawara; Yashuhito Tozuka; Takuo Sugawara; Mark A. Sholes


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

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๐Ÿ“œ SIMILAR VOLUMES


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Three kinds of subbituminous and bituminous coals with added potassium hydroxide were heated at 523 K in a nitrogen stream to transform thermally stable organic sulfur to reactive species. Extents of total sulfur removal were 27-52% during the course of alkali treatment, while weight loss was 8 13%.

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The extremely high selectivity of the newly developed ozone-sulfur chemiluminescence detector (SCD) coupled with controlled-temperature pyrolysis, was applied to the qualitative and semiquantitative determination of sulfur forms in coal. Pyrolysis products from the heating of a sulfur-containing sol