Copper recovery apparatus and copper recovery method
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United States of America Patent
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Sep 16, 2014
Grant Date -
Sep 20, 2012
app pub date -
Jul 21, 2011
filing date -
Mar 15, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, a copper recovery apparatus includes a precipitation tank configured to precipitate copper hydroxide grains in water, a filter aid supplier, a mixing tank configured to mix the filter aid with a water to produce a suspension, a separator provided with a filter, a line configured to supply the suspension to the separator, thereby forming a precoat layer formed of the filter aid on the filter, a separation tank configured to receive the detached matter of the precoat layer discharged together with the detaching water from the separator to magnetically separate copper hydroxide grains and filter aid, a line configure to discharge and recover the detaching water from the separation tank, and a line configured to return the separated filter aid to the filter aid supplier from the separation tank.
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