| Title | Integrated fuel cell system for sustainable wastewater treatment, ammonia recovery, and power production |
|---|---|
| ID_Doc | 7356 |
| Authors | Dhanda, A; Thulluru, LP; Mishra, S; Chowdhury, S; Dubey, BK; Ghangrekar, MM |
| Title | Integrated fuel cell system for sustainable wastewater treatment, ammonia recovery, and power production |
| Year | 2024 |
| Published | |
| Abstract | The industrial production of synthetic fertilizers and the wide-scale combustion of fossil fuels have disrupted the global nitrogen cycle, necessitating a prudent shift towards sustainable nitrogen management. Traditional wastewater treatment methods primarily focus on nitrogen elimination rather than recovery in useable form, exacerbating resource depletion and environmental degradation. This review explores integrated technologies, including bio-electroconcentration cells (BEC), direct ammonia fuel cells (DAFC), solid oxide fuel cells (SOFC), and microbial fuel cells (MFC), for effective nutrient recovery in conjugation with energy recovery. Recovered nitrogen, primarily green ammonia, offers a carbon-free energy carrier for diverse applications, including applications in DAFC and SOFC. This review underscores the importance of synchronously retrieving ammonia from wastewater and efficiently diverting it for energy recovery using an integrated fuel cell approach. The key technical challenges and future perspectives are discussed, highlighting the potential of these integrated systems to advance sustainability and circular economy goals. |
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