Process for battery recycling

Details Process for battery recycling Process for battery recycling

1994-10-20

1995-10-10

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Regenerating, salvage or repair feature other than only...

75714, 266115, H01M 1054

Patent

active

054569923

ABSTRACT:
Household sealed cell alkaline and zinc carbon batteries may be recycled for use in steel making as follows. The batteries are pulverized then run through an acidic bath to neutralize the alkaline electrolyte. Next the materials are rinsed, then dried and mixed with granulated carbon steel typically in a ratio of 5 parts battery material to 95 parts granulated carbon steel. The mixture is compressed into briquettes for introduction into steel making furnaces.

REFERENCES:
patent: 2726972 (1955-12-01), Corral
patent: 4769116 (1988-09-01), Olper et al.
patent: 4927510 (1990-05-01), Olper et al.
patent: 5211818 (1993-05-01), Moure, Jr. et al.
1) Report entitled "Study into Recycling Portable Household Batteries", dated May, 1994, four pages.
2) News Release by NEMA headed "U.S. European, Japanese Battery Makers Say Existing Metals Industry Offers Recycling Opportunities for Used Household Batteries", dated May 11, 1994, two pages.

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