Environmental Science-- Solid Waste Management(2)landfilling Niu Dongjie @tongji.edu.cn
Environmental Science--- Solid Waste Management (2) landfilling Niu Dongjie niudongjie@tongji.edu.cn
Table of contents o Definitions o Structure of Landfill o Landfilling operation o Siting o Landfill stibilization o leachate collection and treatment
Table of contents Definitions Structure of Landfill Landfilling operation Siting Landfill stibilization leachate • collection and treatment
Definitions of Terms oLandfil:facility disposal of waste in to soils. OSanitary landfiIl: Engineered facility for the disposal of MSW designed and operated to minimize public health and environmental impacts. o secure landfill-hazardous waste oLandfilling The process:monitoring of the stream,placement and compaction, installation of landfill environmental monitoring and control facility
Definitions of Terms Landfill: facility disposal of waste in to soils. Sanitary landfill: • Engineered facility for the disposal of MSW designed and operated to minimize public health and environmental impacts. secure landfill—hazardous waste Landfilling • The process: monitoring of the stream, placement and compaction, installation of landfill environmental monitoring and control facility
Dumping
Dumping
Terms o Cell:volume of materials, Daily cover:soil or materials, working face,at the end of each working period.Lift, Final cover layer,Leachate o Landfill gas,Liner,Environmental monitoring Final cover system Bench(terrace】 as required Final Cell Final cover on slope face Cell 3:1 typical siope Cell 6 in intermediate cover Cell Daily cover 汲 Cell-width 6 in intermediate varable cover Landfill liner system
Terms Cell: volume of materials, Daily cover: soil or materials, working face, at the end of each working period. Lift, Final cover layer, Leachate Landfill gas, Liner, Environmental monitoring