Membranes key in using waste heat to cleanse industrial wastewater (IMAGE)
Caption
Kim Roger Kristiansen at the lab in the Natural Science Building at the Norwegian University of Science and Technology (NTNU) Gløshaugen campus. Kristiansen studied membrane technology that can recover the energy in waste heat, and at the same time purify water.
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Photo: Aleksander Båtnes/NTNU
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