Optimization of a Solid Oxid Fuel Cell running on Ammonia from wastewater treatment

MSc student: Hans van Zalen (WB/SPET)

Final colloquium: 30 August 2012

Recovering nutrients from wastewater is increasingly valuable as worldwide scarcity is growing for these components. Existing sludge treatment facilities use a variety of bacteria’s and chemicals to remove the phosphate and ammonia compounds. This is costly and energy intensive and the phosphate compounds are often discharged as waste. An improved concept of water treatment from sludge digestion is based on struvite production by adding magnesium to the sludge. Decomposing the struvite in downstream processing releases ammonia vapor.

 This ammonia vapor is fed to an SOFC for the production of electricity. Past research shows that the system seems technically feasible. This research focuses on the optimization of such a system.