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Environment Challenge for Schools
Networking Session and Workshop
Solid Waste Management in Singapore
1. Solid Waste Situation in Singapore
2. 3Rs – Reduce, Reuse, Recycle
3. Sharing of the Schools’ Projects
Presentation Content
Solid Waste Situation in Singapore1
3
2015 figures
Domestic
Non-DomesticRecycling
Collection Landfill
Waste-
to-Energy
Reuse
TradeResidential
Industries Businesses
Total Waste
Generated
21,023 t/d
Non-Incinerable
Waste
516 t/d
Ash
1,766 t/d
Incinerable
Waste
7,886 t/d
Electricity
2,702 MWh/d
Total Recycled Waste
12,739 t/d
2%
38%
61% Metals Recovered
118 t/d
Reduce
Recyclable
Waste
12,621 t/d
60% Waste
Disposed
8,284 t/d
39%
Overview of Solid Waste Management System
Solid Waste Challenges in Singapore
i. Amount of waste generated in Singapore has risen rapidly & will
continue to rise with population & economic growth
ii. Land will become increasingly more scarce
5
0.00
1.00
2.00
3.00
4.00
1970 1980 1990 2000 2010
Index
Year
GDP
Population
Waste Disposal
1,200 tons/day (1970)
8,402 tons/day (2015)
Current Population: 5.6 mil
At this rate of waste growth, we’ll need to build…
7-10 years
New waste-to-energy plant
30-35 years
New offshore landfill
Semakau Landfill
…there will be less land available
But…
Challenges in Singapore
Area : 719.1 sq km
Population : 5.6 million
Hot & Humid
Climate
Key Challenge : Scarcity of Land
3Rs – Reduce, Reuse, Recycle
7
2
Why Reduce, Reuse & Recycle?
8
Save Natural Resources
Reduce Environmental Impact
Prolong Lifespan of our LandfillSemakau
Landfill
What can you do to practise
Reduce, Reuse and Recycle?
9
Reduce and Reuse Practices
Reduce Reuse
In School
• Use refillable writing materials
• Use both sides of the paper
• Avoid printing unnecessarily
• Bring food in a reusable box
In School
• Reuse unwanted paper as rough paper
• Pass unwanted books to others
• Reuse old materials for school recycling projects.
Do not buy new materials for such projects.
At home
• Minimise food waste
• Switch to electronic bill, annual reports
and publications
At home
• Reuse plastic and glass containers to store items
• Reuse plastic bags to contain garbage
• Reuse old clothing as rags
• Donate unwanted items that are in good
condition to charity
Outside
• Bring your own bag when shopping
• Avoid using disposables (e.g.
disposable forks, spoons, plates, cups)
1 per HDB block
More frequent collection
1 per landed house
Weekly collection
Garden Waste Collection
Recycling in Condominiums
and Private Apartments
2008Mandatory provision of
recycling receptacles
Recycling
National Recycling Programme
National Recycling Programme
• Commingled recycling system
• Standard blue bin colour and label
• Acceptable and unacceptable items indicated on
the recycling bin
• Locking mechanism to lock the wheels to prevent
unauthorised movement
• Drainage holes to prevent water accumulation
i. Recycling infrastructure provided for schools under
Public Waste Contract (PWC)
• Commingled recycling bins (120L or 660L) provided at
one collection point accessible to collection truck
• Weekly collection service
ii. Collects all types of recyclables
• Paper, plastic, metal, glass
iii.Encourage ‘Twin bins’ in every classroom
• Refuse and recycling bins paired together
• Design own bins for each class as an activity
Schools Recycling Corner Programme
How to start your own recycling programme
Step 2
Empty recyclable
containers of any
content. Rinse them if
necessary
Step 3
Deposit them into recycling
box/container lined with a used
plastic bag. When the plastic bag
is full, deposit the bag into the
recycling bin. Box/Container can
be reused.
Recycling
Box/Container
Refuse bin
Step 1
Segregate between
Recyclables and Non-
recyclables
Examples of ‘Twin’ Bins
Or
Any other unused boxes /
containers to be reused and
labelled as recycling box
Recycling
Box /
Container
Refuse
bin
National Recycling Programme
Commingled Collection
16
Common Recyclables
Papers Cardboard boxes, paper drink cartons, office paper, newspapers, phone books,
used envelopes, files, pamphlets/brochures, posters, magazines, junk mail, etc.
Metals Both ferrous and non-ferrous metals (e.g. steel cans, containers, metal objects,
aluminium cans and containers, tin cans, etc.)
Plastic Plastic drink bottles, detergent bottles, plastic bags, plastic wrappings, shrink wrap,
ice cream/yogurt tubs, etc.
Glass Glass bottles / containers / jars, etc.
Rinse to remove food/liquid contamination if necessary
Items that Cannot Be Disposed of in Recycling Bins
• Food waste, liquid waste
• Tissue paper (used)
• Recyclable items soiled with
food
− Pizza Boxes
• Disposable batteries
• Cookware (Pyrex)
• Shoes
• Porcelain, ceramic
• Styrofoam
• Light bulbs and lamps
• Pillows, bolsters
• Composite materials
• Pens, empty bags of chips
Material Recovery Facility (MRF)
2. Primary Picking Station
Sorting and
Recovery of
Recyclables in
Material Recovery
Facility (MRF)
5. Recovered recyclables are
sent to respective recycling
facilities
3. Magnetic Separator & Ballistic
Separator4. Secondary Picking Station
1. Incoming Recyclables
19
Sharing of Schools’ Projects
20
3
Lakeside Primary School
Waste Minimization Project
• Junior Health and Environment
Ambassadors
• Collection of recyclables from
students and residents
• Designed board game to learn about 3Rs in a
fun and engaging way
• Visited kindergartens to equip them with the
knowledge of 3R through the board game
designed
Lakeside Primary School
Visits to kindergarten with board games
Issue:
• 6 out of 10 students do not finish their food
• Fruit peels and vegetable parts are most commonly generated
from canteen stalls
Solution:
1. Rewards card to encourage students to finish their food and
water
2. Make pickled food out of fruit peels
- Pickled watermelon rind
- Candied fruit peel
Punggol Green Primary School
Completed product
Punggol Green Primary School
Students get cooking!
Positive response from stall owners and students Students getting reward cards for
finishing their food
Formulating recipes
Safeguard • Nurture • Cherish