C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 7/48 (2006.01) C04B 7/47 (2006.01) C04B 20/04 (2006.01)
Patent
CA 2249493
Undried blast furnace slag, for example, granulated blast furnace slag having a water content of 3 to 20, generally 5 to 15%, by weight, is introduced to hot clinker in a cooler downstream of a cement kiln; the water is volatilized or evaporated in the cooler to provide a cement clinker having an effective content of dried blast furnace slag free of water; this permits use of blast furnace slag in a blended cement without the need for separate special steps for drying the slag.
Bridson Oates David
Cail Kevin Moire
Van Sloten Alan Melvin
Lafarge Canada Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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