EP 2076466 A2 20090708 - METHOD FOR PURIFICATION OF WASTEWATER CONTAINING SULPHUR AND NITROGEN CONTAINING COMPOUNDS
Title (en)
METHOD FOR PURIFICATION OF WASTEWATER CONTAINING SULPHUR AND NITROGEN CONTAINING COMPOUNDS
Title (de)
VERFAHREN ZUR REINIGUNG VON SCHWEFEL- UND STICKSTOFFHALTIGE VERBINDUNGEN ENTHALTENDEM ABWASSER
Title (fr)
PROCÉDÉ DE PURIFICATION DES EAUX USÉES POUR DES COMPOSÉS CONTENANT DU SOUFRE ET DE L'AZOTE
Publication
Application
Priority
- IB 2007002745 W 20070921
- DK PA200601233 A 20060925
Abstract (en)
[origin: WO2008038089A2] The present invention relates to a method for elimination or reduction of sulphur and nitrogen compounds from wastewater, including particularly desulphurization wastewater from power plants by exposing said wastewater to acid hydrolysis under specific reaction conditions and simultaneously or subsequently to add a nitrite salt.
IPC 8 full level
C02F 1/52 (2006.01); C02F 1/66 (2006.01); C02F 101/16 (2006.01)
CPC (source: EP)
C02F 1/5236 (2013.01); C02F 1/66 (2013.01); C02F 2101/101 (2013.01); C02F 2101/16 (2013.01)
Citation (search report)
See references of WO 2008038089A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008038089 A2 20080403; WO 2008038089 A3 20080612; WO 2008038089 B1 20080814; EP 2076466 A2 20090708
DOCDB simple family (application)
IB 2007002745 W 20070921; EP 07825159 A 20070921