Floatation separation apparatus, method of floatation separation, and method of manufacturing products using the same
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United States of America Patent
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Nov 3, 2015
Grant Date -
May 10, 2012
app pub date -
Jul 15, 2010
filing date -
Jul 17, 2009
priority date (Note) -
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Abstract
By storing a liquid to be treated in a treatment tank main body 10 having a bottom portion 10g that narrows downward, with particles of materials to be treated dispersed therein, taking out the liquid to be treated from a position lower than the liquid level of the treatment tank main body 10, and returning the liquid to the bottom portion 10g of the treatment tank main body 10, thereby circulating the liquid to be treated while forming a vortex flow within the treatment tank main body 10, and at the same time supplying air bubbles from the lower part of the treatment main unit 10, a first component contained in froths is separated from a second component, which is less susceptible to floatation, contained in the liquid to be treated.
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