Abstract: The present invention pertains to a process for the purification of an organic product by fractionated crystallization, characterized in that the organic product is purified by circulation in filled tubes by varying the circulation rate at each purification and concentration stage. The invention also pertains to an apparatus for the purification of an organic product by fractionated crystallization designed for the implementation of said process.
Type:
Grant
Filed:
November 6, 2000
Date of Patent:
September 24, 2002
Assignee:
Befs Prokem S.A.
Inventors:
Guenaël Drouglazet, René Genin, Edouard Schwartzman