Case of Stability Control and Ecological Environment Governance of Tianziling Landfill in Hangzhou
As the first large-scale valley type waste landfill in China that meeting the sanitary landfill standards of the Ministry of Construction,Tianziling landfill has been faced stable and safe challenges during the landfill period,such as exceeding the amount of waste,exceeding the warning water level,and exceeding the carrying capacity.After stopping the landfill,it would face difficulties of closure and ecological environment governance.In terms of stable and safe control,the phase Ⅱ of Tianziling landfill has successively implemented the dam heightening and reinforcement project and the liquid-gas drainage project,ensuring safe landfill operations,especially during the 2016 G20 Summit when the daily landfill volume of 8 000 t/d significantly exceeded the design value.In terms of ecological environment governance,two phases of ecological governance projects have been implemented successively,with phase Ⅰ focusing on groundwater pollution control and implementing upstream seepage interception and downstream vertical barrier projects.While phase Ⅱ focusing on long-term safety remediation and ecological restoration of the reactor body,including the construction of liquid-gas drainage,site closure and coverage,vegetation restoration,as well as intelligent monitoring.The ecological governance project has achieved the transformation and upgrading of the ecological restoration and green development mode of Tianziling,which promoting the integration of the surrounding ecological environment of Tianziling and Banshan national forest park.
dam heighteningliquid and gas drainagevertical barrierecological coverageintelligent monitoring
NETL
NSTL
万方数据
