Theory of pulverized coal conversion in entrained flows. Part I. Hydrogasification

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Abstract
The following discussions and analyses present a detailed description of pulverized coal conversion in entrained flows. The basic formulations are broken into two main categories, one describing entrained flow reactor dynamics, and the other only coal particle chemistry itself. In the first category on entrained flow reactor dynamics, the physical and chemical descriptions common to all reactors regardless as to whether or not their function is gasification, liquefaction, or combustion will be presented. However in the second category on coal particle chemistry, only those descriptions concerned with devolatilization and hydrogasification are given. Finally, the discussions end by describing the methodology by which the developed equations are solved. These formulations contain physical and chemical descriptions that have not been included in previous mathematical models for pulverized coal entrained flow reactors. Therefore, the range of operating conditions over which this model can apply should be extended beyond those currently used today in determining reactor performance.

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