Method of introducing hydrogen into aqueous liquids without forming bubbles

US5523003A · kind A · utility

Assignee

• Solvay Unmeltchemie GmbH · DE

Inventors

• Michael Sell · Peine, DE
• Michael Bischoff · Fairfield, US
• Andreas Mann · Hannover, DE
• Rolf-Dieter Behling · Hamburg, DE
• Klaus-Viktor Peinemann · Geesthacht, DE
• Klemens Kneifel · Geesthacht, DE

Key dates

• Filing date: Jun 20, 1994
• Grant date: Jun 4, 1996
• Expiry date: Jun 20, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W10/10
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to a method of introducing hydrogen into aqueous liquids without forming bubbles. In this case, the introduction of the gas takes place through a composite membrane with a non-porous coating on the liquid side. Preferred fields of use relate to the charging of hydrogen into biologically or catalytically operating processes for the removal of oxygen, nitrite and/or nitrate from water.