PROCESSBASED ON-SITE PLANTS Norwegian SBR-plant Japanese Johkasou (activated sludge (based on biofilm) 沙刂 LR NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental EngineeringNTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard PROCESSBASED ON-SITE PLANTS Norwegian SBR-plant Japanese Johkasou (activated sludge) (based on biofilm)