Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1994-09-19
1995-11-21
Andrews, Melvyn
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
65 19, C22B 704
Patent
active
054682797
ABSTRACT:
A method is disclosed for water-granulating calcium ferrite slag which is produced in copper converting processing and contains 10 to 30 weight % of CaO. In the method, water is caused to flow at a flow velocity of 7 to 25 m/sec, and the calcium ferrite slag is introduced into the water flow such that weight ratio of water to slag amounts to no less than 100. With this method, the occurrence of phreatic explosions can be effectively avoided.
REFERENCES:
patent: 4909837 (1990-03-01), Hansen et al.
Andrews Melvyn
Mitsubishi Materials Corporation
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