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. 07, 2019
Filed:
Mar. 12, 2015
Applicant:
Novasep Process Sas, Pompey, FR;
Inventors:
Assignee:
Novasep Process SAS, Pompey, FR;
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/08 (2006.01); B01D 61/42 (2006.01); B01D 61/58 (2006.01); C07C 51/47 (2006.01); C07C 51/48 (2006.01); C07C 51/44 (2006.01); B01D 65/02 (2006.01); C07C 59/265 (2006.01); C07C 51/42 (2006.01); B01D 15/18 (2006.01); B01D 61/02 (2006.01);
U.S. Cl.
CPC ...
B01D 15/08 (2013.01); B01D 61/422 (2013.01); B01D 61/58 (2013.01); B01D 65/02 (2013.01); C07C 51/44 (2013.01); C07C 51/47 (2013.01); C07C 51/48 (2013.01); C07C 59/265 (2013.01); B01D 15/1821 (2013.01); B01D 61/025 (2013.01); B01D 2311/04 (2013.01); B01D 2311/06 (2013.01); B01D 2311/08 (2013.01); B01D 2311/25 (2013.01); B01D 2311/2623 (2013.01); B01D 2311/2626 (2013.01); B01D 2311/2673 (2013.01); B01D 2321/04 (2013.01); C07C 51/42 (2013.01);
Abstract
It is an object of the invention to provide a process for producing an organic acid, comprising: providing an incoming stream containing an organic acid and impurities; subjecting said incoming stream to a step of chromatographic separation, using a solution of mineral acid as an eluent, so as to collect an extract and a raffinate, the organic acid being recovered in the extract; and subjecting the raffinate to an electrodialysis step, so as to collect a diluate and a concentrate, the mineral acid being concentrated in the concentrate. The invention also provides an installation for implementing this process.