Tech Exchange

Selective Elimination of Nitrogen Oxides from Exhaust Gases

The Environment Purification Materials team of AIST’s Synergy Materials Research Center (Japan) has successfully developed and tested significantly improved electrochemical reactors for the selective elimination of nitrogen oxides (NOx) in a range of industrial exhaust gases containing oxygen. The inventors have engineered and refined the electrochemical cell anode, cathode, and solid oxide electrolyte to possess nano- and micro-structure control. This fundamental improvement enables very highly efficient operation at low levels of electrical power and current required for NOx decomposition in the presence of excess oxygen.

The deNOx reactor has been successfully demonstrated and a sample is available for an appropriate fee and execution of a Materials Transfer Agreement and Confidential Disclosure Agreement. Several research agreements and collaborations with major international corporations have been carried out to enhance the development of the technology.

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