US 7,566,403 B2
Process for eliminating nitrogenous organic compounds from salt-containing water
Thomas Weiβ, Ilvesheim (Germany); Peter-Roger Nyssen, Dormagen (Germany); Horst Bertram, Köln (Germany); Gunther Stolp, Köln (Germany); and Paul Wagner, Düsseldorf (Germany)
Assigned to LANXESS Deutschland GmbH, Leverkusen (Germany)
Filed on Dec. 21, 2007, as Appl. No. 12/4,648.
Claims priority of application No. 10 2007 004 164 (DE), filed on Jan. 22, 2007.
Prior Publication US 2008/0210640 A1, Sep. 04, 2008
Int. Cl. C02F 1/68 (2006.01)
U.S. Cl. 210—761 10 Claims
OG exemplary drawing
 
1. A process for eliminating nitrogenous organic compounds from a salt-containing water containing
more than 0.5% by weight of salt in the form of CaCl2 or NaCl,
less than 200 ppm of dissolved carbonic acid or carbonates and
more than 50 ppm of nitrogenous organic compounds,
wherein the water is treated by wet oxidation at a temperature of below 100° C. with chlorine or a chlorine-containing oxidizing agent which is used more than 10% above the titrimetrically determined stoichiometric demand.