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Solid waste
management
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Waste an unwanted material
which is not used
Classification Domestic waste
Factory waste
Waste from oil
E-waste
Construction waste
Agricultural waste
Food waste
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Recycling:
-Processing of a waste item into usable forms.
Benefits of recycling:
-Reduce environmental degradation
-Making money out of waste
-Save energy that would have gone into waste handling &
productmanufacture
Saving through recycling:-When Al is resmelted- considerable
saving in cost
-Making paper from waste saves 50% energy
-Every tone of recycled glass saves energy equivalent to 100
liters of oil
Managing solid waste:
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Aim of waste
Management:
To gain benefits from
recycling
To generate minimum
amount of waste
Reduce negetive
impact on environment
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Domestic wastes - paper, plastic, glass,
ceramics,vegetable wastes
Commercial wastes -printerpaper,meatremnants
Ashes - coal, wood and coke.
Animal Wastes - dung of animals rejected feed
Sources of solid waste::
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Solid Waste
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7.2 million tonnes of hazardous waste
One Sq km of additional landfill area every-year
Rs 1600 crore for treatment & disposal of these wastes
In addition to this industries discharge about 150 million
tonnes of high volume low hazard waste every year,
which is mostly dumped on open low lying land areas.
Solid waste in India::
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TERI Projections on Waste Generation In India
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French aircraft carrier Clemenceau
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Affects our health
Affects our socio-economic conditions
Affects our coastal and marine environment
Affects our climate
Rise in global temperatures
Rise in sea levels
Effects of solid waste::
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Exchanging output that are considered waste
Waste of one could be input or raw material for others
Evolving a closed system- matter & energy circulate
within
System was not designed to be so
The system of exchange evolved in 10 years
Solution:
