-After describing shortly the present situation of the Japanese coking indusr try, the processes of the manufacture of blast furnace coke from weakly-coking or non-coking coals are reviewed.
In this country, during last decades, processes of blending semi-coke, coke-breeze or oxydized coal, Bajuntan process, two-stages coking process were experimented in the pilot plant, and some of them had been put into practice.
Recently, in Europe, the Burstlein (SOVACO) and ferro-coke processes, as well as the low shaft furnace operation are attractive and the outline of these processes is introduced.
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