SYSTEM FOR SEPARATING AND EXTRACTING HEAVY METALS FROM POLLUTED LIQUID WASTE
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United States of America Patent
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Issued Date -
Oct 16, 2008
app pub date -
Apr 13, 2007
filing date -
Apr 13, 2007
priority date (Note) -
Abandoned
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Abstract
A system for separating and extracting heavy metals from polluted liquid waste includes a pressurizing unit for pressurizing an extracting solvent using a high-pressure gas, so that the extracting solvent contains supersaturated air and is then jetted into a pneumatic stirring, reacting and separating apparatus, in which the supersaturated air in the extracting solvent instantaneously leaches out to thereby produce a large quantity of micro-sized extracting solvent-bearing bubbles that react with heavy metal-polluted liquid waste contained in the pneumatic stirring, reacting and separating apparatus to separate heavy metals from water. A gas supplying device is connected to and supplies gas to the pneumatic stirring, reacting and separating apparatus to stir the heavy metal-polluted liquid waste. And, a pumping unit is connected to the pneumatic stirring, reacting and separating apparatus to pump out heavy metal-separated water to achieve the object of removing heavy metals from liquid waste.
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