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151. Electronic properties of heat-treated coals

✍ Scribed by H. Honda; K. Egi; S. Toyoda; Y. Sanada; T. Furuta

Publisher: Elsevier Science
Year: 1964
Tongue: English
Weight: 142 KB
Volume: 1
Category: Article
ISSN: 0008-6223
DOI: 10.1016/0008-6223(64)90442-7

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## Reactivities of eighteen 40 x 100 mesh U.S. coals charred to 1000°C have been measured in H2 at 2.7 MPa and 980°C. The char-hydrogen reaction usually occurs in two stages: a slow induction period followed by a constant-rate region. Reactivities of various chars in the initial stage (Ri) decreas