a The urban water cycle in a centralized system A typical single system of today. A possible dual system in future A mixture of useful C, P, N)and Biological cycle kept apart from harmful constituents(Me, Aox) the technical cycle The biological cycle The technical cycle The biological cycle The technical cycle 学目 Agriculture Stormwater zmmwvatet water NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering
NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard The urban water cycle in a centralized system A typical single system of today. A mixture of useful (C,P,N) and harmful constituents (Me, AOX) A possible dual system in future Biological cycle kept apart from the technical cycle
SOURCE SEPARATION OF URBAN WASTEWATER INA DECENTRALISED SYSTEM Most of the nutrients is found Can urine be brought directly in urine and faeces. Separation back to the country-side? of toilet waste is being considered 44 apartments Figure 4. Diagram of th hoyden wastewater trea bybee daet UV-filter Three- Holding tanks componen septic tank Biological NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering
NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard SOURCE SEPARATION OF URBAN WASTEWATER IN A DECENTRALISED SYSTEM Can urine be brought directly back to the country-side? Most of the nutrients is found in urine and faeces. Separation of toilet waste is being considered
NATUREBASED OR PROCESSBASED PLANTS FOR ON-SITE WASTEWATER SYSTEMS LOW-TECH" NATURBASED HIGH-TECH" PROCESSBASED NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering
NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard NATUREBASED OR PROCESSBASED PLANTS FOR ON-SITE WASTEWATER SYSTEMS ? ”LOW-TECH” NATURBASED ”HIGH-TECH” PROCESSBASED
a NATURBASED SOLUTIONS There is considerable interest in constructed wetlands for small plants (on-site plants) bur relatively little documentation on their performance Slamayskiller St ot bel aster For delingssystem I soleringslag Jordoverdekning 补Nry TYPICAL CONSTRUCTED Utley WETLAND FILTER Vertikalstr omning Horisontal str omning IN NORWAY Jtlopssone NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering
NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard Nivåkum Utløp Slamavskiller Støtbelaster Utløpssone I soleringslag Vekstsjikt Fordelingssystem Jordoverdekning Vertikalstrømning Horisontalstrømning TYPICAL CONSTRUCTED WETLAND FILTER IN NORWAY NATURBASED SOLUTIONS There is considerable interest in constructed wetlands for small plants (on-site plants) bur relatively little documentation on their performance
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 Engineering
NTNU - 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)