Yubari coal hydrogenation

Figure 2. Distribution of products from Yubari coal hydrogenation at 400°C...

Figure 8. Distribution of structural parameters of asphaltene from Shin-Yubari coal hydrogenation at 450°C (O), H2 100kg/cm2 ( ), H2 75 + CHh 25 ( ),...

In Fig. 2 the following is depicted the hydrogenation products of Yubari coal at a reaction temperature of 400°C were fractionated by the procedure shown in Fig. 1, and the changes of these fraction yields by reaction time are shown. Inasmuch as the presence of Py-2 is scarce in coal, the observed results were obtained in the decreasing period, thus it may readily be surmised that Py-2 must be produced in the initial stages of the reaction. Here we consider oil-1 as the final product, and it may be noted that all fractions other than oil-1, show an initial... 

The distribution of products from the hydrogenation of vitrinite and inertinite separated from Australian Bayswater coal is shown in Fig. 3 and Fig. 4 respectively. Fig. 5 shows the distribution of products from the reduction of Soya-Koishi coal by CD + H20. The product distribution shows a similar tendency to that of Yubari coal shown in Fig. 2. Thus, it indicates that the Py-2, Py-1, A, 02 can be considered as intermediate products in a consecutive coal hydrogenation reaction scheme. 

Table 3 H and D distribution of hydrogenation and deutration product of Shin-Yubari coal at 400°C under 50 kg/cm2 of initial pressure...

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