In view of shortage of coking coal supply in future, it has been expected to establsh the processes which could use non-coking coal for making of metallugical coke.
At first, four main technices which is anticipated to be available for this intention were described in outline. Secondary development of D. K. S formed coke process and SUMICOAL-system which consist of the use of special caking substance, ASP, and the method of briquette blend were elucidated, D. K. S process is not continious, but has reached to possible step could prduce formed coke in commercial.
SUMICOAL-system has consumed non-coking coal over one million ton age for the past year, and its coke quality was confirmed to even to conventional coke, through results of laboratory testes and 5, 000m
3 class B. F operation.
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