C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
39/2, 202/38
C21B 7/00 (2006.01) C10B 57/08 (2006.01)
Patent
CA 1101204
Abstract of the Disclosure Process and apparatus for pre-drying coal or for heating coal or for pre-drying and heating coal which comprises feeding hot crude blast fur- nace gas into direct physical contact with the said coal whereby heat carried by the blast furnance gas is transferred directly to the coal.
293251
Didier Engineering G.m.b.h.
Fetherstonhaugh & Co.
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