Method and apparatus for regenerating used activated carbon
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United States of America Patent
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-
Mar 11, 1980
Grant Date -
N/A
app pub date -
May 19, 1978
filing date -
May 19, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a vertical electric furnace having vertically spaced annular electrodes for regenerating used activated carbon by passing electric current therethrough, the inner cross-sectional area of the furnace is gradually decreased and then gradually increased between the electrodes thus forming a throat. With this construction, layers of the used activated carbon in which the resistance value varies with the temperature gradient are formed.
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