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(543k) Low-Pressure Electrolytic Ammonia Synthesis Via High-Temperature Polymer-Based Proton Exchange Membrane

Aulich, T., University of North Dakota
The University of North Dakota Energy and Environmental Research Center (EERC) and North Dakota State University (NDSU) have developed a low-pressure electrolytic ammonia (LPEA) production process. The LPEA process uses an electrochemical cell based on an innovative polymer–inorganic composite (PIC) high-temperature (300°C) gas-impermeable proton-exchange membrane conceptualized and partially developed by EERC and NDSU. Because of its operability at ambient pressure and quick start-up capability (versus traditional high-pressure Haber Bosch-based plants), the LPEA process offers compatibility with smaller-scale plants and intermittent operation, and a cost-effective means of monetizing (and storing) renewable energy as ammonia. EERC, NDSU, and Proton OnSite are embarking on a project to optimize the PIC membrane, optimize and assess the technical and commercial viability of the LPEA process, and develop an LPEA process commercialization plan. To be presented will be information and data regarding 1) the configuration and working principles of the PIC membrane and LPEA process, 2) how the PIC membrane and LPEA process will be optimized, and 3) plans for LPEA process demonstration and commercialization.