Wastewater Plasmalyzer®

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Wastewater from treatment plants, biogas plants or industrial plants contains a high concentration of valuable nitrogen and carbon compounds. In the Plasmalyzer®, a high-frequency voltage field is generated from solar or wind energy. It splits the carbon and nitrogen compounds contained in the water (such as urea, amino acids, nitrates and ammonium) into individual C, N, H and O atoms. These then recombine to produce green hydrogen, methane and nitrogen. Purified water remains as production “waste.” The gases are then separated using our membrane technology and stored for further use in gas containers.

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Production of green hydrogen from wastewater that contains ammonium

Plasmalysis in use:

H2 generation and wastewater treatment at the Berlin Waßmannsdorf treatment plant

Synreform has built the world’s first plant for the generation of hydrogen from wastewater (3,000 l/h) on the premises of Berliner Wasserbetriebe at the Waßmannsdorf treatment plant.

There, up to 50 kg of hydrogen per day are generated from chemical compounds in the centrate water of the digested sludge treatment from wastewater containing NH4. The Plasmalyzer® requires 20 kWh of energy per kg of hydrogen.

The container-based plant uses jet loop technology to enable NH4 elimination with simultaneous NH3 concentration. The NH3 concentrate is then split into hydrogen and nitrogen by using wastewater plasmalysis. The hydrogen is stored for further use, as fuel, for example.

The green hydrogen is to be used in various of the Berlin collaborative partners’ approved fleet vehicles. These include vehicles with internal combustion engines that are fueled with a mixture of up to 50 percent hydrogen and 50 percent methane by volume. This allows for pollutant emissions of CO2, CO, HC, NOX and carbon black particles to be reduced.

The CombiFuel project is funded by the German government’s research initiative “Energiewende im Verkehr”.

 

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