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US 2016/0312333 A1Published application
Method for recovering ash from waste incineration
AssigneeEcophos S.A.
InventorMOHAMED TAKHIM
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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.
Claims18
A treatment method for ash from waste incineration, comprising:
- a) digesting of ash by a leaching liquor containing phosphate ions in solution, which forms an first solid phase containing the impurities and an first liquid phase containing the phosphate ions, and
- b) separating the said first liquid phase containing phosphate ions and the said first solid phase,
- wherein a) is executed for a duration of less than 1 hour or at a temperature of more than 40° C.
Dependencies are inferred from the claim text.