Solid Waste Management. Waste- Definition & Classification. Any material which is not needed by the owner, producer or processor. Classification Domestic waste Factory waste Waste from oil factory E-waste Construction waste Agricultural waste Food processing waste Bio-medical waste
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Any material which is not needed by the owner, producer or processor.
Source: Estimate of Ministry of Environment & Forest
Source: The Energy & Resources Institute, New Delhi
-No gradation of waste product eg bio-degradable, glasses, polybags, paper shreds etc
-Dumps these wastes to the city outskirts
-Collecting small iron pieces by magnets
-Collecting glass bottles
-Collecting paper for recycling
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 & product manufacture
Saving through recycling:
-When Al is resmelted- considerable saving in cost
-Making paper from waste saves 50% energy
-Every tonne of recycled glass saves energy equivalent to 100 litres of oil
Recycling is not a solution to managing every kind of waste material
For many items recycling technologies are unavailable or unsafe
In some cases, cost of recycling is too high.
Source: The Energy & Resources Institute
French aircraft carrier Clemenceau