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๐ SIMILAR VOLUMES
efficiency; the former gave the similar oil yield to that with tetralin solvent, while the latter did the lower yield because of its too high hydrogen acceptability. The liquefaction scheme for the higher efficiency is discussed in terms of reaction conditions including catalysts and solvents.
Coal liquefaction residue characteristics were discussed. The heavy organic matter content and the ash content affect the viscosity of residue. A simplified kinetic model was developed that could estimate the heavy organic matter content of residue at some liquefaction conditions and its ash content
In order to investigate the behaviour of coal liquefaction reaction in early stage before reactors, a coal slurry sample was withdrawn from outlet of the preheater of NEDOL Process 1 t/d Process Supporting Unit (PSU). The main product was still solid residue, while yields of oil, CO + CO\* and H20 w