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Title: | Rank dependence of organic sulfur functionalities in coal | Authors: | MAES, Inge GRYGLEWICZ, Grazyna Machnikowska, Helena YPERMAN, Jan FRANCO, Dirk MULLENS, Jules VAN POUCKE, Lucien |
Issue Date: | 1997 | Publisher: | ELSEVIER SCI LTD | Source: | FUEL, 76(5). p. 391-396 | Abstract: | Organic sulfur functionalities were characterized and quantified by atmospheric-pressure temperature-programmed reduction (AP-TPR). Nine coals were chosen to cover the entire rank range from subbituminous coal to anthracite. To be able to study the organic sulfur groups, the vitrinite concentrates were separated from each coal sample. The results confirm the larger amount of sulfide in low-rank coals. The amount of thiophenes generally increases with rank. Nevertheless, sulfur functionality distribution can vary from coal to coal even at the same rank. (C) 1997 Elsevier Science Ltd. | Notes: | LIMBURGS UNIV CTR,LAB INORGAN & PHYS CHEM,B-3590 DIEPENBEEK,BELGIUM. WROCLAW TECH UNIV,INST CHEM & TECHNOL PETR & COAL,PL-50344 WROCLAW,POLAND. | Keywords: | coal; rank; organic sulfur forms | Document URI: | http://hdl.handle.net/1942/3293 | DOI: | 10.1016/S0016-2361(97)85515-9 | ISI #: | A1997WZ92900005 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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