Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1990-04-18
1992-04-28
Andrews, Melvyn J.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
134 3, 4236585, 423DIG20, 405129, C22B 306
Patent
active
051084988
ABSTRACT:
A method of cleaning debris, which involves the separation of heavy metals and oils, simultaneously, from the debris, which debris is primarily an inert substance, such as soil from a coking plant. The process employs acetic anhydride, which is mixed with the debris, for removing any moisture. After the addition of acetic anhydride, aqueous acetic acid is distilled off. The remaining distilland is then filtered to remove the heavy metals and oils from the debris.
REFERENCES:
patent: 4508641 (1985-04-01), Hanulik
patent: 4966706 (1990-10-01), Gregor
Dr. Otto-Albrecht Neumiller, Rompps Chemie-Lexikon, 1973, p. 1051.
Andrews Melvyn J.
B.C.C. Becker Consultants (Canada) Inc.
Ljungman Nils H.
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