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, 2012
Filed:
Jun. 09, 2009
Applicant:
Giuseppina Cerea, Rozzano, IT;
Inventor:
Giuseppina Cerea, Rozzano, IT;
Assignee:
Vomm Chemipharma S.r.l., Rozzano (Milano), IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 5/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention describes a process for treating phosphogypsum and in particular the related leachate that comprises the steps of feeding a continuous leachate flow with a dry content of below 5% by weight into a concentration unit heated to a predetermined temperature and equipped with dedicated mixing means, and continuously discharging a concentrated leachate flow having a dry content comprised between 20% and 95% by weight from the concentration unit.