| 摘要 |
PURPOSE:To effect lower slag viscosity and easier slag discharge, by charging the high-temperature zone in gasification furnace with crude gas desulfurizing agent waste in jet stream type coal gasification process. CONSTITUTION:In a slag tap-type coal gasification process in which feedstock coal is gasified by air and/or exygen in such amount(s) as to be less stoichiometrically equivalent than that of the coal to produce a gas consisting mainly of CO and H2, the high-temperature zone of the gasification furnace is charged with crude gas desulfurizing agent waste to effect lower slag viscosity and easier slag discharge operation.
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