Fig. 11From: Heat-transfer performance of twisted tubes for highly viscous food waste slurry from biogas plantsSetup used for pilot test at the Boden Biogas Plant, Sweden; S1: inlet of the FWS (tube side, 55Ā Ā°C, 5 m3/h); S2: outlet of the FWS; S3: inlet of cold water (shell side, 10Ā Ā°C, 10 m3/h); S4: outlet of cold waterBack to article page