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:
Dec. 15, 2020
Filed:
Dec. 07, 2017
Applicant:
Ocp SA, Casablanca, MA;
Inventor:
Abdelaziz El Hachmi, El Jadida, MA;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B01J 4/00 (2006.01); B65G 65/00 (2006.01); C01B 25/16 (2006.01); C01F 11/46 (2006.01); C01B 25/18 (2006.01);
U.S. Cl.
CPC ...
B01J 4/007 (2013.01); B65G 65/00 (2013.01); C01B 25/18 (2013.01); C01F 11/46 (2013.01);
Abstract
A chemical phosphoric acid production unit, comprising The discharge system comprises a chute of which the inlet is located inside the receiving device and arranged communicate with the receiving device, and a flap moveable around an axis of rotation and configured to open according to a predetermined angle corresponding to a predetermined section for the passage of a fraction of phosphogypsum through the inlet of the chute, and to close in order to prevent the passage of phosphogypsum into the chute.