At the Onahama Works of Nihon Suiso Kogyo Co., Koppers-Totzek's coal dust gasification furnace was being installed, since October 1955, manufacture of synthetic gas for ammonia and methanol has been smoothly performed.In this paper the author described the outline of gasification apparatus, properties of Joban coal and then the good results to produce synthetic gas from low rank Joban coal with the calorific value of about 4, 000kcal/kg.At the present, researches and improvements have brought the better results than.was expected by the overload operation With 50% increase from the iniial design capacity.
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