9 UNEP Introduction on Solid Waste Niu Dongjie niudongjie@tongji.edu.cn
Introduction on Solid Waste Niu Dongjie niudongjie@tongji.edu.cn
Content oIntroduction o What are Wastes and ISWM? o Characteristics of Waste 490 9 UNEP
Content Introduction What are Wastes and ISWM? Characteristics of Waste
Introduction MSW----worldwide challenge MSW on the street of Naples,Italy This is the second time in three years that the army has cleared Naples'rubbish 490 source:CNN&Times 2011,May 9 UNEP
Introduction MSW ----worldwide challenge MSW on the street of Naples, Italy This is the second time in three years that the army has cleared Naples' rubbish source:CNN&Times 2011, May 9
Introduction Trend of world population waste generation World population development Billions Billions 10 10 8 6 6 432 4321 0 0 1750 1800 1850 1900 1950 2000 2050 Developing countries GRID Arendal Industrialized countries 4907 Waste generation rate:0.5~2.0 kg/cap.d UNEP
Introduction Trend of world population & waste generation Waste generation rate: 0.5~2.0 kg/cap.d
What are Wastes? Comprises all the wastes arising from human and animal activities that are normally solid and that are discarded as useless or unwanted. Basel Convention Definition of Wastes "substances or objects which are disposed of or are intended to be disposed of or are required to be disposed of by the provisions of the law" Disposal means 'anyoperation which may lead to resource recovery, g,reclamation,direct re-use or alternative uses IVB of the Basel convention)" UNEP 5
5 What are Wastes? Comprises all the wastes arising from human and animal activities that are normally solid and that are discarded as useless or unwanted. Basel Convention Definition of Wastes “substances or objects which are disposed of or are intended to be disposed of or are required to be disposed of by the provisions of the law” Disposal means “any operation which may lead to resource recovery, recycling, reclamation, direct re-use or alternative uses (Annex IVB of the Basel convention)