Process for the preparation by crushing of scrap comprising meta

Details Process for the preparation by crushing of scrap comprising meta Process for the preparation by crushing of scrap comprising meta

1991-01-24

1992-05-05

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

204294, 252512, 373 89, C25C 308, C25C 312, H05B 7094

Patent

active

051104270

ABSTRACT:
Known processes for the preparation by crushing of scrap comprising metal parts provided with a surface coating have the disadvantage that they are very complex and/or only allow the reuse of one component of the scrap.
These disadvantages can be avoided if the crushed parts are fed to a carbon-containing mass used in the electrochemical industry, in particular a Soderberg mass of a carbon-containing mass for the production of cathode or anode blocks for the generation of aluminum by the Hall-Heroult process.

REFERENCES:
patent: 3438876 (1969-04-01), Marshall, Jr.
patent: 4288353 (1981-09-01), Eckel et al.
patent: 4726892 (1988-02-01), Foulkes
patent: 4784733 (1988-11-01), Cutshall
patent: 4927459 (1990-05-01), Gardner

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