Production of abrasion-resistant pressed articles mainly...

Details Production of abrasion-resistant pressed articles mainly... Production of abrasion-resistant pressed articles mainly...

C - Chemistry, Metallurgy

22

B

53/4

C22B 1/245 (2006.01) C22B 1/14 (2006.01)

Patent

CA 1174854

ABSTRACT One or more comminuted ferrous or non-ferrous metals, optionally mixed with one or more non-softening carbon-containing substances, are mixed with 10 to 40 wt.% of caking and softening hard coal. The resulting mixture is briquetted at 470 to 530°C. The components of the mixture are pre-heated so that the mixture is at the briquetting temperature, the pre-heating temperature of the hard coal being below its softening point, while the pre-heating temperature of the other components is above briquetting temperature.

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