(S037)Improvement of coke quality by overlapping effect of coal melting temperature

摘要

Most Offshore Works like POSCO that depends on import of coking coal mainly use coal as many kinds aspossible for stable supply of materials. POSCO uses about 40 brand of coking coal and blend about 12 kindsof coals at once. Blending many kinds of coal is good for stable supply. But it has weakness for expectationof coke quality.