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:
Apr. 08, 2025
Filed:
Apr. 13, 2018
Totalenergies Onetech, Courbevoie, FR;
Mega A.s., Prague, CZ;
Membrain S.r.o., Straz pod Ralskem, CZ;
Alexandre Goldszal, L'Etang la Ville, FR;
Matthieu Jacob, Cescau, FR;
David Tvrzník, Liberec, CZ;
Luboš Novák, Ceská Lípa, CZ;
TotalEnergies OneTech, Courbevoie, FR;
MEGA A.S., Prague, CZ;
MEMBRAIN S.R.O., Straz pod Ralskem, CZ;
Abstract
The invention relates to an electrodialysis device for the desalination of water for oil and gas applications comprising: a membrane stack comprising alternating cation- and anion-exchange membranes () and a plurality of spacers (), each spacer being arranged between two successive membranes; wherein at least one of the spacers () comprises a recessed area () and a non-recessed area (), a central opening () within the recessed area (); the spacer () is provided with at least four orifices () within the non-recessed area (); and with respective channels () which connect at least two of the orifices () with the central opening (); and one membrane () is accommodated in the recessed area (). The invention also relates to a water desalination process using the electrodialysis device mentioned above.