Method for recycling lithium batteries

Details Method for recycling lithium batteries Method for recycling lithium batteries

1995-04-07

1996-06-04

Mai, Ngoclan

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

110344, 149124, C06B 2100

Patent

active

055235166

ABSTRACT:
A method for processing electric storage batteries, particularly lithium/thionyl chloride batteries, which includes the steps of discharging the batteries, lowering the temperature of the battery components to -180.degree. C., and cutting the battery into pieces while in its cold state before further processing. The process can also include the further steps of incineration, collecting the solid, liquid and gaseous discharges from the incinerator, washing the solid and liquid discharges with water and the gaseous discharge with an alkaline solution, mixing the resultant wash streams, separating precipitates formed from the mixed stream and neutralizing the remaining solution.

REFERENCES:
patent: 3848548 (1974-11-01), Bolejack, Jr. et al.
patent: 4340421 (1982-07-01), Bergsoe
patent: 4416855 (1983-11-01), Abrams et al.
patent: 4637928 (1987-01-01), Zajac, Jr. et al.
patent: 5220107 (1993-06-01), Kubacki

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