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Urban Water Management

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Benefits of Managing Solid Waste Non-sanitary landfills: Risk assessment & risk mitigation */21 Indonesia, country of natural wealth !! */21 Indonesia, country of ... – PowerPoint PPT presentation

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Date added: 6 November 2019
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Title: Urban Water Management


1
Benefits of Managing Solid Waste Non-sanitary
landfills Risk assessment risk mitigation
2
Indonesia, country of natural wealth !!
2/21
3
Indonesia, country of natural wealth ??
3/21
4
PRESENT SITUATION OF LANDFILLS IN INDONESIA
  • Landfilling is major route for processing of
    wastes
  • Alternative solutions, including incineration,
    composting or separate collection with recycling
    are hardly applied
  • These alternatives are costly, are not suitable
    or require big change in waste management system)
  • Collection rate of waste is 50-60 (so, much
    waste is dispersed into environment)

4/21
5
WHAT IS THE (REAL) COST OF LANDFILLING ?
  • 1. Landfills causes sliding of wastes (in 2006
    many people died because of this problem)

5/21
6
WHAT IS THE (REAL) COST OF LANDFILLING ?
  • 2. Landfills creates unhealthy situation for men
    (gases, smoke, hurting, diseases)

6/21
7
WHAT IS THE (REAL) COST OF LANDFILLING ?
  • 3. Biogas from landfills creates risk for
    explosions (fires, explosion of wastes, etc.).
    Biogas must be released into atmosphere

7/21
8
WHAT IS THE (REAL) COST OF LANDFILLING ?
  • 4. Leachate water is hazardous and pollutes the
    environment (as result from rain water
    infiltrating the landfill).

8/21
9
WHAT IS THE (REAL) COST OF LANDFILLING ?
  • 5. Health risk for workers on or near landfill
    (diseases, medical cost)

9/21
10
WHAT IS THE (REAL) COST OF LANDFILLING ?
  • 6. Global Warming (sea water rising, hurricanes,
    drought, diseases etc.)

10/21
11
WHAT TO DO ?
11/21
12
STRATEGY, PLANS, MEASURES
  • National waste strategy should support short
    term and long term solutions. Should promote
    sustainable solutions.
  • Appropriate plans should be realistic from
    technical and financial point of view. Should
    focus on modernizing the landfills.
  • Measures immediate measures should mitigate the
    immediate risks. Should focus on major risk
    collection and utilization of the biogas

12/21
13
IMPORTANT IMMEDIATE MEASURE
  • Collection of biogas
  • mitigates the risks for humans
  • improves waste management operations (and
    increases income)
  • promotes production of sustainable energy local
    energy generation
  • promotes transfer of technology to regions of
    Indonesia
  • generates income from electricity

13/21
14
BIOGAS
  • Biogas (containing methane or CH4) is a valuable
    source of energy but cannot be utilized without
    measures and investments
  • 1st phase structuring of waste disposal
  • 2nd phase placing of biogas collection system
    (including covering of waste)
  • 3rd phase production of electricity

14/21
15
BIOGAS
15/21
16
Biogas investment programme for regions of
Indonesia - Example of Palu
16/21
17
Palu landfill was visited, investigated and
assessed.
17/21
18
Palu landfill was visited, investigated and
assessed.
18/21
19
  • Some observations on Palu landfill
  • some technical improvement measures were taken
    (covering)
  • part of landfill was not well organized
  • neighbouring people are afraid of extension of
    landfill (leachate)
  • capacity of landfill to receive waste is still
    large (gt 2012) more waste means more income
  • registration of incoming waste should be improved
  • biogas is not collected and spilled into
    atmosphere
  • Regency and waste managers support improvement
    programme

19/21
20
  • Recommendations on waste management and biogas
    collection
  • Be realistic and do not everything at once
  • First things first
  • Improve overall situation at landfill and make
    proper plan
  • Start recovering biogas !
  • Generate jobs, acquire technological know-how,
    create better life for all
  • Promote biogas collection projects under CDM

20/21
21
L eft uncontrolled dumping of waste right
organized disposal of waste and covering of
landfill body
21/21
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