Abstract
Publisher Summary This chapter discusses the influence of petrographical factors on the hydrogenation of inertinite rich coals from the Upper Silesian Coal Basin of Poland. Various workers found the fair correlation between the sum of preassumed reactive macerals (vitrinite and exinite) and hydrogenation of coals. The hydrogenation of the coals depends on the ranks of the coal. The proposed index of hydrogenation of coal appears to be directly proportional to the degree of conversion. It seems that the reactivity of duroclarite, vitrinertoliptite, and trimacerite is greater than clarite and vitrinertite, which is greater than vitrite during coal liquefaction. The effect of sedimentary facial conditions is not visible and needs to be interpreted after the study of hydrogenation residues.
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