Copper recovery apparatus
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United States of America Patent
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Jul 11, 2017
Issued Date -
N/A
app pub date -
Jun 5, 2014
filing date -
Jun 8, 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, a mixing tank, a filter-aid feeder, a solid-liquid separator includes a filter, a cleaning-water supply line, a cleaning-water discharge line, a separation tank, and a filter-aid return line. The precipitation tank is configured to receive copper ions-containing water to be treated and an alkali to prepare treated water containing a precipitate of copper compound. The solid-liquid separator is configured to allow the treated water to be passed through the filter on which the precoat layer is deposited to separate the precipitate retained on the precoat layer from a filtrate.
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