Method for separating an organic phase from an electrolyte-containing aqueous and organic phase

US8354028B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Helmut Meyer · Hilden, DE
• Guido Naberfeld · Via Enrico Fermi, US
• Johann Rechner · Krefeld, DE
• Rafael Warsitz · Essen, DE
• Michael Traving · Burscheid, DE
• Werner Bäcker · Bad Mergentheim, DE
• Thomas Elsner · Düsseldorf, DE
• Arno Nennemann · Bensberg, DE
• Stephan Bahnmuler · St. Blasien, DE
• Gerhard Langstein · Kürten, DE
• Julia Hitzbleck
• Patrick Theato · Mainz, DE
• Daniel Kessler · Weitersburg, DE
• Daniel Gordon Duff · Leverkusen, DE
• Sascha Plug · Leverkusen, DE

Key dates

• Filing date: Oct 22, 2007
• Grant date: Jan 15, 2013
• Expiry date: May 12, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L69/00
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method for separating electrolyte-containing water from an organic phase by means of permeation on a hydrophobic separating means. The permeated organic solution is substantially depleted in water and the retained water is enriched with electrolytes.