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.

Date of Patent:
Sep. 22, 2015

Filed:

Jul. 09, 2007
Applicants:

Jean-paul Detournay, Brussels, BE;

Francis M. Coustry, Alsemberg, BE;

Alessandra Pastacaldi, Rosignano Solvay-Livorno, IT;

Inventors:

Jean-Paul Detournay, Brussels, BE;

Francis M. Coustry, Alsemberg, BE;

Alessandra Pastacaldi, Rosignano Solvay-Livorno, IT;

Assignee:

SOLVAY (SOCIETE ANONYME), Brussels, BE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/44 (2006.01); C01D 7/34 (2006.01);
U.S. Cl.
CPC ...
C01D 7/34 (2013.01); B01D 61/44 (2013.01);
Abstract

Process for the joint production of sodium carbonate and sodium bicarbonate out of sesquicarbonate, in which the sesquicarbonate is dissolved in water, in order to form a feed water solution comprising both sodium carbonate and sodium bicarbonate, in which at least part of the feed water solution is introduced into all the compartments of an electrodialyser and in which a sodium bicarbonate enriched solution and a sodium carbonate enriched solution are extracted from the compartments.


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