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ELEMENTS OF SOLID WASTE MANAGEMENT. The activities associated with the management of solid waste from the point of generation to final disposal has been group into six elements. Waste Generation Waste Storage Waste Collection Waste Transfer and Transport Waste Treatment
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The activities associated with the management of solid waste from the point of generation to final disposal has been group into six elements. • Waste Generation • Waste Storage • Waste Collection • Waste Transfer and Transport • Waste Treatment • Waste Disposal ELEMENT OF SOLID WASTE MANAGEMENT
Urbanization and industrialization - many changes in the quality and quantity of solid wastes generated • Some of the changes included: • change in waste characteristic • increased volume of waste • use modern techniques in MSWM • concentration of large population in a small area Waste Generation
The type of produced depends upon various factors : • standard of living • occupation • habits of dietary • Average per capita generation of waste 0.85 kg/cap/day. About 1.5 kg/cap/day in Kuala Lumpur. Con’t….
Housing area generates the largest amount of waste. • The high income group residential areas - high percentage of leaves, glass and plastic • Market areas - large percentage of garbage and leaves, • Hay & straw is the large proposition in commercial areas Con’t….
Slum areas higher percentage of hay & straw , lower percentage of glass & Con’t….
International Trend in MSW Generation Most Asian country produce lower quantities of waste (mean 0.56 kg/capita/day) except Japan. The developed industrial countries generate more (mean 0.96 kg/capita/day). Japan, Singapore and Hong Kong show the pattern of waste generation similar to EC countries (0.86 kg/capita/day)
US is the largest per capita generating of MSW (1.97 kg/capita/day). Scandinavian countries generated above the per capita EC average (>0.96 kg) The population size does not influence the rate of waste generation.
Malaysia generate about 72% compostable waste, comprising; • organic waste • paper • textile/leather • wood • Garbage is the main component - 37 to 48% • Paper and cardboard is the second most abundant component (18 to 30% is) Waste composition
Plastic waste was at 9 – 16% • KL generate only 9% plastic waste compare to 14 – 16% generate other three cities around KL • The composition of MSW reflects the affluence of the society: • The way of life • Economic status • Social behaviour Cont’….
WASTE COMPOSITION 45 % ORGANIC 24 % PLASTICS 7 % PAPER 6 % IRON 3 % GLASS 15 % OTHERS Source : MHLG 2009
Waste Composition (K.L.) Source: Nazeri 2002
Composition of refuse from the municipality of KL, Petaling Jaya and Penang for the year 1990