Don't waste the wastewater: Clean energy from sewage
Jul 31, 2020·The energy company in Gothenburg, Gothenburg Energy, utilizes sewage water for the production of heat. The mean temperature of the sewage water in Gothenburg is approximately 11 °C but varies between 8 and 14 °C. It is passed through four heat pumps in a cascading technique which increases the temperature of the heating medium in steps in an ...
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