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- W2324967253 abstract "In order to elucidate the structural change of coke by pyrolysis various kinds of cokes, prepared at different temperatures (400 to 1, 000°C) from coals of various ranks (carbon content, 70 to 90%) were oxidized by potassium bichromate in concentrated phosphoric acid at 100 or 110°C. The rate of carbon dioxide evolution was measured and the oxidizability of cokes was compared. The general mode of change in oxidizability by pyrolysis was the same as that reported by A.B. Balfour et al, i.e. it reaches minimum at a temperature of 700 or 800°C. The oxidizability of coke becomes higher as the rank of the parent coal increases. In the cases of strongly agglutinating coals (Futago and Yubari) the oxidizability of coke fluctuates widely in the carbonization temperature range of 500 to 800°C. These fluctuations were diminished when these coals were carbonized after mixing with strongly coking coal. Although there was no direct relationship between oxidizability and mechanical strength (Drum index), it might be concluded that the change of the oxidizability during carbonization process has a fatal effect on the mechanical strength of the final coke." @default.
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- W2324967253 date "1966-01-01" @default.
- W2324967253 modified "2023-10-18" @default.
- W2324967253 title "Oxidation of Cokes by Potassium Bichromate-Phosphoric Acid" @default.
- W2324967253 doi "https://doi.org/10.3775/jie.45.127" @default.
- W2324967253 hasPublicationYear "1966" @default.
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