Method for removing metals from a cleaning solution
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United States of America Patent
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Apr 23, 2002
Grant Date -
N/A
app pub date -
Jan 21, 1999
filing date -
Jan 21, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for removing accumulated metals from a cleaning solution is provided. After removal of the metals, the cleaning solution can be discharged or recycled. The process manipulates the pH levels of the solution as a means of precipitating solids. Preferably a dual phase separation at two different pH levels is utilized.
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