3. Solid waste management
Solid waste management is a
process of collection
,transportation and disposal of
solid waste in a systematic
,economic and hygienic manner.
4. Waste
• Any rubbish , trash refuse, garbage and junk is termed as waste .
• Any unwanted and useless material
5. Classification of solid wastes
On the base of origin
• residential
• Commercial
• Institutional
• Municipal
• Industrial
• Agricultural
6. Continu…..
On the base of physical nature
• Garbage
• Ashes
• Combustible and non combustible wastes
• Demolition and construction wastes
• Hazardous wastes
• Solid wastes
• Liquid wastes
• Gaseous wastes
12. Methods For The Treatment Of Solid
Wastes
Open Dumps
Landfills
Anaerobic DIGESTION
Composting
Vermicomposting
Encapsulation
Incineration
13. DUMPING
•Open Dumps Into Low Lying Areas
•Done For Dry Waste
•Waste Dumps Are Exposed To Rodents And Flies
•Dispersion By Wind
•Pollution Of Surface Water
14.
15. LANDFILL
• Material Placed In A Trench
• Covered By Soil At The End Of Working Day
• 3 Methods
Trench (Trench Of 6-10 Feet Deep And 12-36 Feet Wide )
Ramp (Suitable For Sloppy Land )
• Refuse Is Covered With Earth Upto 30cm
Area method (refuse is packed in uniform layers up to 6 feet),each
layer is sealed with mud up to 12 inch .