袁志国-Sewer management in a ditigal era.pdf

1、Professor Zhiguo Yuan AMChair Professor of Urban Water Management,Global STEM ProfessorDirector,JC STEM Lab of Sustainable Urban Water ManagementSchool of Energy and EnvironmentDigitalising sewer management21.1.Sewer operation Sewer operation ensures effective use of the existing hydraulic capacity

2、for safe wastewater conveyance,so that overflows and flooding are minimised,in both wet and dry weather.2.2.Sewer maintenanceSewer maintenance preserves the integrity and hydraulic capacity through sewer cleaning,pipe repair,equipment replacement/repair,and implementation of corrosion and odour cont

3、rol strategies.3.3.Sewer upgradingSewer upgrading extends/augments the hydraulic capacity,through capital works,to meet the predicted future needs in response to population/urban growth and climatic changes.Sewer management1.to minimise sewer overflow via real-time control of sewer flows.2.to quanti

4、fy,locate and predict sewer inflow and infiltration to support real-time sewer operation and capital program development.3.to detect/predict sewer sedimentation/blockage and equipment failures to enable proactive sewer maintenance.4.to enhance the capacity of the overall wastewater system through in

5、tegrated control of sewer networks and the wastewater treatment plants.5.to reduce fugitive emissions of hydrogen sulfide and methane,thus extending the asset life and reducing the carbon footprint of wastewater conveyance.Digital sewer management some key interlinked objectivesDIGITAL SEWER MANAGEM

6、ENTSEWER NETWORKDIGITAL TWINSAn overarching framework for digital An overarching framework for digital sewer managementsewer managementDigital twinsA digital twin is a virtual representation a virtual representation of a physical object,structure,or system that incorporates realincorporates real-tim