Reaction Mechanism and Liquefaction Process of Coal Yosuke MAEKAWA

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Transcription:

Reaction Mechanism and Liquefaction Process of Coal Yosuke MAEKAWA

Fig.2 Produced gas composition of vitrinite hydrogenation at 400 Ž Fig.1 Symplified average structural model of Taiheiyo coal hydrogenation products at 400 Ž. Fig.3 Flow diagram for solvent fractionation of coal hydrogenolysied products.

Fig.4 The distribution of products from Bayswater inertinite hydrogenation at 450 Ž Fig. 5 Matrix model of coal hydrogenation reaction mechanism (After coals also direct formation of small fractions as shown in coals dotted line) Table 1 Reaction rate constants and different mechanism liquefaction portion ratio in coal

Fig.6 Simplified average structural model of Hokkaido coal hydrogenation products.

Fig.7 Liquefaction results on various rank of coals by 0.1 t/d test plant at 450 Ž, 200 kg/cm2, 45min. (d. m. f. base) Fig.8 Comparison of coal-derived oil with petroleum oil.

Table 2 Properties of coal liquefaction oil Table 3 Identified component in the fraction of IBP `130 Ž on Run-605 (GC-MS by OV-101 capillary column)

Fig.9 Simplified process flow diagram of 0.1 t/d continuous coal hydrogenation bench plant of Government Industrial Laboratory, Hokkaido. Table 4 List of research work on coal liquefaction engineering

Fig.11 Coal liquefaction slurry pressure let down system. Fig.10 Preheating reactor R101. Table 5 A conparison of catalytic activity of various iron-sulfur catalysts on Taiheiyo coal hydrogenation by 0.1 t/d bench plant at 300 kg/cm2, 450 Ž

Fig.12 DTA-DPA curves of hydrogenolysis of Taiheiyo coal with various iron sulfides (initial hydrogen pressure: 100 kg/cm2). Fig.13 Effects of solvent and catalyst on hydrogenation of Taiheiyo coal (450 Ž, 60 min).

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