Electrochemical process for the preparation of nitrogen fertilizers

Methods and apparatus for the preparation of nitrogen fertilizers including ammonium nitrate, urea, urea-ammonium nitrate, and/or ammonia are disclosed. Embodiments include (1) ammonium nitrate produced via the reduction of a nitrogen source at the cathode and the oxidation of a nitrogen source at t...

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Bibliographische Detailangaben
Hauptverfasser:	AULICH TED R, IGNATCHENKO ALEXEY V, JIANG JUNHUA
Format:	Patent
Sprache:	eng
Schlagworte:	AMMONIA APPARATUS THEREFOR CHEMISTRY COMPOUNDS THEREOF CYANOGEN ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS FERTILISERS INORGANIC CHEMISTRY MANUFACTURE THEREOF METALLURGY NITROGENOUS FERTILISERS
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Beschreibung
Zusammenfassung:	Methods and apparatus for the preparation of nitrogen fertilizers including ammonium nitrate, urea, urea-ammonium nitrate, and/or ammonia are disclosed. Embodiments include (1) ammonium nitrate produced via the reduction of a nitrogen source at the cathode and the oxidation of a nitrogen source at the anode; (2) urea or its isomers produced via the simultaneous cathodic reduction of a carbon source and a nitrogen source: (3) ammonia produced via the reduction of nitrogen source at the cathode and the oxidation of a hydrogen source or a hydrogen equivalent such as carbon monoxide or a mixture of carbon monoxide and hydrogen at the anode; and (4) urea-ammonium nitrate produced via the simultaneous cathodic reduction of a carbon source and a nitrogen source, and anodic oxidation of a nitrogen source.