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SOLID WASTE MANAGEMENT: PLANNING FOR COLLECTION, SEGREGATION AND DISPOSAL

SOLID WASTE MANAGEMENT: PLANNING FOR COLLECTION, SEGREGATION AND DISPOSAL. SOLID WASTE All wastes arising from human and animal activities that are normally solid and are discarded as useless or unwanted Discarded waste material are often reusable. SOILID WASTE MANAGEMENT.

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SOLID WASTE MANAGEMENT: PLANNING FOR COLLECTION, SEGREGATION AND DISPOSAL

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  1. SOLID WASTE MANAGEMENT: PLANNING FOR COLLECTION, SEGREGATION AND DISPOSAL

  2. SOLID WASTE All wastes arising from human and animal activities that are normally solid and are discarded as useless or unwanted Discarded waste material are often reusable

  3. SOILID WASTE MANAGEMENT “PLANNED CHANNELING OF SOLID WASTES FROM GENERATING POINT OR SOURCETO ULTIMATE END-USE OR NON-USE” APPLICATION OF SUITABLE POLICIES, TECHNIQUES, TECHNOLOGIES AND MANAGEMENT PROGRAMS COVERING ALL TYPES OF SOLID WASTES FROM ALL SOURCES TO ACHIEVE SPECIFIC WASTE MANAGEMENT OBJECTIVES SWM ALSO REFERS TO ALL ACTIVITIES ASSOCIATED WITH GENERATION, ON-SITE HANDLING AND STORAGE, COLLECTION, TRANSPORT & TRANSFER, PROCESSING AND /OR TREATMENT, AND ULTIMATE DISPOSAL OF SOLID WASTE

  4. Planning of solid waste management should embrace four concepts (McDowell, 1986).viz. • Understanding needs • Commitment to solid waste management • Leadership and • Public involvement CROSS-SECTORAL COLLABORATION

  5. PLANNING PROCESS PLANNER(S) should have sound knowledge and practical experience and exposure in related attributes. PLANNING PROCESS : evolve through a sequence of analysis of information from the definition of objectives to decision making on how the objectives will be achieved. FEEDBACK: through continuous monitoring and MODIFICATIONS to the plan and / or planning process.

  6. six-step planning process (Kundell, J. E., & Ruffer, D.L. 2004) 1. GOALS AND OBJECTIVES: Identify and prioritize goals and objectives 2. INVENTORY AND ASSESSMENT:The foundation of the plan is the inventory of available resources 3. IDENTIFYING NEEDS:what is needed to meet objectives 4. EVALUATING MANAGEMENT OPTIONS : feasible options to meet the needs The feasibility of each option should be evaluated on technical, environmental, managerial, and economical grounds. 5. DEFINING THE RECOMMENDED MANAGEMENT SYSTEM 6. DEVELOPING AN IMPLEMENTATION STRATEGY

  7. DESIGN PERIOD (time-frame) (Manual on municipal solid waste management, Ministry of Urban Development (MUD), Government of India (GOI), NewDelhi). • Short-term plan : 2-5 years • Medium-term plan : 5-15 years • Long-term plan : 15-25 years.

  8. Figure 1: CONCEPTUAL FRAMEWORK FOR A CONVENTIONAL SOLID WASTE MANAGEMENT PROGRAM (source: Chapter 2: Foundation and Practice of Conventional Solid Waste Management)

  9. Some of the important Questions to Consider and Steps to Take When Developing an Integrated Solid Waste Management Plan

  10. SWM - FUNCTIONAL ELEMENTS

  11. INTEGRATED SOLID WASTE MANAGEMENT Generation On-site handling & storage Collection Transfer & Transport Processing & Recovery Disposal Interrelationship of functional elements comprising of solid waste management system

  12. TREND IN WASTE GENERATION 50 years of waste generation 1947 1997 Urban population (millions) 56.7 274 Daily per capita waste generation (grams)           295 490 Area under landfills (thousands of acres 0.12 20.2 Annual methane emissions (tonnes)  from landfills  0.87 7.1

  13. 5Rs HIERARCHICAL MODEL

  14. Transfer from source to storage for secondary collection?

  15. SOLID WASTE COLLECTION Gathering of solid wastes from different places such as residential, commercial, institutional, industrial, and public utilities Most Expensive and labor intensive • Types of collection services and methods • Types of collection systems • Analysis of collection systems • Setting up collection routes

  16. SOLID WASTE COLLECTION BALA PRASAD

  17. SOLID WASTE COLLECTION BALA PRASAD

  18. SOLID WASTE COLLECTION BALA PRASAD

  19. Layout with route overlaps

  20. Layout without route overlaps

  21. TIME AND MOTION STUDY OF THE SYSTEM

  22. Are the collection services able to collect all the waste generated?

  23. IMPROPER COLLECTION ORIMPROPER HANDLING AT SOURCE?

  24. SORTING Sorting is aimed either to • modify the physical characteristics of the waste (ii) remove specific components and contaminants from the waste stream (iii) process and prepare the separated materials (iv) improves the efficiency of solid waste disposal system.

  25. COMPONENT SEPARATION At source Green Bin: biodegradable wastes White bin : recyclable Black bin : other wastes Red Bin : Hazardous wastes At the central facility Screening, air classifying, magnetic separation, Density separation etc.

  26. S. BALA PRASAD

  27. FEEDBACK Collection team followed by a study team

  28. Before Planning

  29. After Planning

  30. SOLID WASTE DISPOSAL • The ISWM plan must aim at disposing of only < 10% of the total waste generated and collected SOME OF THE METHODS OF DISPOSAL • land filling • land forming, • deep sea disposal and • deep well injection.

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