Process for removing the nitrite and/or nitrate content in water

US4990266A · kind A · utility

Assignee

• Umweltschutztechnologie mbH GUTEC: Gesellschaft zur Entwicklung von · DE

Inventors

• Klaus-Dieter Vorlop · Braunschweig, DE
• Thomas Tacke · Friedrichsdorf, DE
• Michael Sell · Peine, DE
• Gunther Strauss · Hannover, DE

Key dates

• Filing date: Sep 11, 1989
• Grant date: Feb 5, 1991
• Expiry date: Sep 11, 2009

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S210/903
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A continuously performable process for the removal or reduction of the nite and/or nitrate content of nitrite-polluted and/or nitrate-polluted water with the selective formation of nitrogen by catalytic hydrogenation. Catalysts suitable for carrying out such a process are also described.