The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2018
Filed:
Dec. 19, 2014
Applicant:
Ecophos S.a., Louvain-la-Neuve, BE;
Inventor:
Mohamed Takhim, Corroy-le-Grand, BE;
Assignee:
ECOPHOS S.A., Louvain-la-Neuve, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 7/02 (2006.01); F23J 1/00 (2006.01); B01D 15/36 (2006.01); C05B 17/00 (2006.01); B09B 3/00 (2006.01); C05B 11/10 (2006.01); B09B 5/00 (2006.01); C05F 1/00 (2006.01); C05F 3/00 (2006.01); C05F 7/00 (2006.01); B01D 11/02 (2006.01); B01D 11/00 (2006.01);
U.S. Cl.
CPC ...
C22B 7/02 (2013.01); B01D 11/0288 (2013.01); B01D 15/361 (2013.01); B09B 3/00 (2013.01); B09B 3/0016 (2013.01); B09B 3/0083 (2013.01); B09B 5/00 (2013.01); C05B 11/10 (2013.01); C05B 17/00 (2013.01); C05F 1/005 (2013.01); C05F 3/00 (2013.01); C05F 7/00 (2013.01); F23J 1/00 (2013.01); B01D 2011/005 (2013.01); B09B 2220/06 (2013.01); F23J 2900/01007 (2013.01); Y02A 40/203 (2018.01); Y02A 40/205 (2018.01); Y02A 40/213 (2018.01); Y02P 10/212 (2015.11); Y02P 20/145 (2015.11);
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.