VERFAHREN ZUM ENTFERNEN VON STICKSTOFFVERBINDUNGEN AUS FLUESSIGKEITEN

The invention concerns a device and a method for removing nitrogen compounds from an aqueous liquid containing nitrogen oxides (NOx) and/or nitrates (NO-_3). It comprises an electro-chemical cell (10) with a cathode and an anode and a current source applied thereto. According to the invention, the c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LANGENKAMP, HEINRICH, VAN VELZEN, DANIEL, MORYOUSSEF, ARIEL
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMISTRY FUELS LUBRICANTS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLEGASES CONTAINING CARBON MONOXIDE TECHNICAL GASES CONTAINING CARBON MONOXIDE TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The invention concerns a device and a method for removing nitrogen compounds from an aqueous liquid containing nitrogen oxides (NOx) and/or nitrates (NO-_3). It comprises an electro-chemical cell (10) with a cathode and an anode and a current source applied thereto. According to the invention, the cell is divided by a cation selective membrane into a cathode compartment (2) to be filled with said liquid, and an anode compartment (3) to be filled with an anolyte containing an aqueous solution of an alkali or hydrogen halide such as sodium bromide or sodium chloride, and the membrane (1) is constituted by a microporous fabric of PTFE.