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Solid waste management
The document discusses solid waste management, detailing the systematic collection, transportation, and disposal of waste. It classifies waste based on origin and physical nature and outlines various management methods, including landfills and composting. Key factors affecting solid waste and the importance of using engineered systems for waste management are also highlighted.
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Solid waste management
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- 2. Contents • Introduction • Wastedefinition • Classification and types of waste • Waste management methods • 3 Rs concept • Factors affecting solid wastes • Conclusion • References
- 3. Solid waste management Solidwaste 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 solidwastes On the base of origin • residential • Commercial • Institutional • Municipal • Industrial • Agricultural
- 6. Continu….. On the baseof physical nature • Garbage • Ashes • Combustible and non combustible wastes • Demolition and construction wastes • Hazardous wastes • Solid wastes • Liquid wastes • Gaseous wastes
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- 12. Methods For TheTreatment Of Solid Wastes Open Dumps Landfills Anaerobic DIGESTION Composting Vermicomposting Encapsulation Incineration
- 13. DUMPING •Open Dumps IntoLow Lying Areas •Done For Dry Waste •Waste Dumps Are Exposed To Rodents And Flies •Dispersion By Wind •Pollution Of Surface Water
- 15. LANDFILL • Material PlacedIn 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 .
- 17. Continu….. Changes • Chemical • Bacteriological •Physical • Rise in temperature up to 60 degree • 4-7 days ,killing of pathogens • 4-6 months complete decomposition