Process for the recycling of batteries, especially dry batteries
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 4, 2000
Grant Date -
N/A
app pub date -
Oct 29, 1996
filing date -
Jun 20, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process of recycling unsorted batteries. The unsorted batteries are led from a feeding bunker through a shredder directly into a rotary furnace as they arrive from the disposal collection. The shredded batteries are oxidatively burned at a temperature from 400.degree. C. to 900.degree. C. The resulting combustion gases are led via a gas cleansing installation consisting of a dust filter, wet washing filter and active charcoal filter. The oxidized product of combustion resulting from the combustion is fed to a metal winning process. The product of combustion may be burned once again in a further or later step by the rotary furnace after mixing with a reducing substance, coal, after which the resulting reductive product of combustion may again be fed to the metal winning process.
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