Method for recovering ash from waste incineration
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United States of America Patent
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May 8, 2018
Grant Date -
Oct 27, 2016
app pub date -
Dec 19, 2014
filing date -
Dec 20, 2013
priority date (Note) -
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Abstract
Methods treat ash from waste incineration, wherein the methods at least comprise: a) the digestion of the ash by a leaching liquor containing phosphate ions in solution such as to form a first solid phase comprising impurities and a first liquid phase comprising phosphate ions; and b) the separation of said first liquid phase comprising phosphate ions from said first solid phase. Step a) is carried out for a duration of less than one hour or at a temperature of more than 40° C.
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