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Title: Electrochemical process for the preparation of nitrogen fertilizers

Abstract

The present invention provides methods and apparatus for the preparation of nitrogen fertilizers including ammonium nitrate, urea, urea-ammonium nitrate, and/or ammonia utilizing a source of carbon, a source of nitrogen, and/or a source of hydrogen. Implementing an electrolyte serving as ionic charge carrier, (1) ammonium nitrate is 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 are produced via the simultaneous cathodic reduction of a carbon source and a nitrogen source; (3) ammonia is produced via the reduction of nitrogen source at the cathode and the oxidation of a hydrogen source at the anode; and (4) urea-ammonium nitrate is produced via the simultaneous cathodic reduction of a carbon source and a nitrogen source, and anodic oxidation of a nitrogen source. The electrolyte can be solid.

Inventors:
; ;
Issue Date:
Research Org.:
Energy & Environmental Research Center Foundation, Grand Forks, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1083035
Patent Number(s):
8398842
Application Number:
13/420,979
Assignee:
Energy & Environmental Research Center Foundation (Grand Forks, CA)
Patent Classifications (CPCs):
C - CHEMISTRY C05 - FERTILISERS C05C - NITROGENOUS FERTILISERS
C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25B - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS
DOE Contract Number:  
FC36-03GO13055
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Aulich, Ted R., Olson, Edwin S., and Jiang, Junhua. Electrochemical process for the preparation of nitrogen fertilizers. United States: N. p., 2013. Web.
Aulich, Ted R., Olson, Edwin S., & Jiang, Junhua. Electrochemical process for the preparation of nitrogen fertilizers. United States.
Aulich, Ted R., Olson, Edwin S., and Jiang, Junhua. Tue . "Electrochemical process for the preparation of nitrogen fertilizers". United States. https://www.osti.gov/servlets/purl/1083035.
@article{osti_1083035,
title = {Electrochemical process for the preparation of nitrogen fertilizers},
author = {Aulich, Ted R. and Olson, Edwin S. and Jiang, Junhua},
abstractNote = {The present invention provides methods and apparatus for the preparation of nitrogen fertilizers including ammonium nitrate, urea, urea-ammonium nitrate, and/or ammonia utilizing a source of carbon, a source of nitrogen, and/or a source of hydrogen. Implementing an electrolyte serving as ionic charge carrier, (1) ammonium nitrate is 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 are produced via the simultaneous cathodic reduction of a carbon source and a nitrogen source; (3) ammonia is produced via the reduction of nitrogen source at the cathode and the oxidation of a hydrogen source at the anode; and (4) urea-ammonium nitrate is produced via the simultaneous cathodic reduction of a carbon source and a nitrogen source, and anodic oxidation of a nitrogen source. The electrolyte can be solid.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2013},
month = {3}
}

Works referenced in this record:

Electrochemical Synthesis of Urea at Gas-Diffusion Electrodes
journal, January 1998