Abstract
Since iron smelting furnace process of ore with charcoal started in 1881 at Kamaishi, Iwate, Japan, coke manufacturing from coal was attempted by using various ovens, that is, Beehive-, Copee-, Semet-Solvay-, Koppers-, and Kuroda-oven. Manufacturing of coke with verified quality for blast furnace is dependent upon the nature of coal as a starting material. This review concerns with mainly carbonization characteristics of coal with respect to the coal science up to about 2000.Particular attentions are paid to the following topics.- Thermoplasticity including coking and caking properties of coals.- Mesophase, which is governing the performance of coke in blast furnace, appearing between coal and coke during carbonization.- Coalification as a natural carbonization and carbonization on heating.- Reflectance and some physical properties of coal as quality control parameters.Persons at the dawn of coke industry in Japan are introduced at the attached section.
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