Reactivity and structure of two coals containing significant methoxy group concentrations

✍ Scribed by Chris K.J. Hulston; Peter J. Redlich; W.Roy Jackson; Frank P. Larkins; Marc Marshall; Richard J. Sakurovs

• Publisher: Elsevier Science
• Year: 1995
• Tongue: English
• Weight: 533 KB
• Volume: 74
• Category: Article
• ISSN: 0016-2361
• DOI: 10.1016/0016-2361(95)80020-i

✦ Synopsis

Two coals (Beulah, PSOC-1483, and a Thai coal, TH23) of unusually high reactivity with hydrogen and tetralin were shown to contain significant methoxy group contents. The fate of the methoxy groups when these coals were reacted under N 2 at 320°C (with and without added decalin) and with H2-tetralin and H2-SnO 2 at 405°C was studied. The reactions of TH23 coal gave unexpectedly high water yields. Reactions of model compounds containing methoxy groups under similar conditions also gave high water yields. Proton magnetic resonance thermal analysis (PMRTA) confirmed that TH23 host and guest coal components are structurally distinct from those of Loy Yang (Victoria) run-of-mine coal.