solid waste management code of singapore

7/24/2019 solid waste management code of singapore

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Asia 3R Conference

30 Oct 1 Nov 06

Integrated Solid Waste Management in Singapore

National Environment Agency

And

Ministry of the Environment & Water Resources

Singapore


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Ministry of Environmentand Water Resources(MEWR)

National EnvironmentAgency (NEA)


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Integrated Solid Waste Management

Waste Collection

Waste Sorting, Recovery and

Recycling Waste Transfer Station

Waste Disposal (IncinerationPlants, Sanitary Landfill)

Hazardous Substances and

Toxic Waste Management

Cleaning of Public Areas


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20051970

The Solid Waste Challenge

WasteExplosion

1,200 t/d1,200 t/d

7,000 t/d7,000 t/d


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All waste collected daily anddisposed of

90% incinerable waste anddisposed of at 4 incineration

plants10% non-incinerable waste and

disposed of at SemakauOffshore Sanitary Landfill

Solid Waste ManagementSolid Waste Management


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OK so far..

But future?


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Small land area

One last sanitary landfill (anoffshore landfill)

Economic growthPopulation growth

Rising affluence

High consumption pattern

Higher expectations

ChallengesChallenges


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1970 TraditionalLandfill

2005

Volume

Reduction

Incineration Bottom Ash (IBA)

Non-incinerable Waste

One IP every 5-7 years

One landfil l (350 ha) every25-30 years

Strategy 1 : IncinerationStrategy 1 : Incineration


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Not sustainable, if we continue

business as usual One last sanitary landfill

High cost of building and operating IP


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Sustainable Solution

Closing the Solid Waste Loop

CollectionDisposal

CollectionCollectionDisposalDisposal

IndustryConsumers

IndustryIndustryConsumersConsumers

MRFMRFMRF ProcessProcessProcess ConvertConvertConvert

RecyclingRecycling


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Recycling of Industrial WasteRecycling of Industrial Waste

Horticultural wasteHorticultural wastePlastic wastePlastic wasteWood wasteWood waste

Food wasteFood waste

1970 2005 TraditionalLandfill

Strategy 2 : RecyclingStrategy 2 : Recycling


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Wood Waste Recycling

Recycling of wood waste to produce Office furniture

Home furniture Pallets

Shredded Wood Waste


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Plastic Waste Recycling

Plastic scraps

Plastic Pellets

Heating and Extrusion


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Recycling in CommunityRecycling in Community

HouseholdsHouseholdsPublic PlacesPublic Places

SchoolsSchools

1970 2005 TraditionalLandfill

Strategy 2 : RecyclingStrategy 2 : Recycling


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Recycling programme for householdslaunched in 2001

Collection of recyclable waste andrefuse bundled in Public

Waste Collection contracts

Door-to-door collection of recyclablesevery fortnight

National Recycling Programme


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Sorting in MaterialRecovery Facilities

PaperDrink cans

Glass bottles/jars

Plastic bottlesCarton boxes

Clothing

National Recycling Programme


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Recycling Bins at Public Places

Shopping streets

Institutions (schools, offices, etc)

Food courts

Housing estates


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Recycling of nonRecycling of non--incinerable wasteincinerable wasteConstruction & Demolition wasteConstruction & Demolition waste

Steel slagSteel slagReuse of IBA (under study)Reuse of IBA (under study)

ReduceLandfill1970 2005

TraditionalLandfill

Strategy 3 : Reduce Waste To LandfillStrategy 3 : Reduce Waste To Landfill

TOW ARDS ZERO LAN DFI L LTOW ARDS ZERO LAN DF I L L

Construction & Demolition Waste


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Construction & Demolition WasteRecycling


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Lifespan of Semakau Landfill

25-30 years to 30-45 years

Need for additional IP

5-7 years to 8-10 years

OutcomeOutcome

S 4 WSt t 4 W t Mi i i iMi i i ti


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Reduce

Landfill1970 2005 Traditional

Landfill

MinimiseMinimise waste at sourcewaste at source

Design with less packagingDesign with less packaging

Use less packagingUse less packagingUse packaging that can beUse packaging that can be

recycledrecycled

Strategy 4 : WasteStrategy 4 : Waste MinimisationMinimisation

TOWARDS ZERO

WASTE


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CollectionCollection


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Domestic & Trade PremisesDomestic & Trade Premises Collection serviceCollection service corporatisedcorporatised in 1996in 1996

FullyFully privatisatedprivatisated collection service incollection service in Sep 01Sep 01 Improve collection efficiency and service qualityImprove collection efficiency and service quality

Waste Collection SystemWaste Collection System

Industrial & CommercialIndustrial & Commercial

PremisesPremises By licensed general waste collectorsBy licensed general waste collectors

Medical FacilitiesMedical Facilit ies Separate collection and disposal bySeparate collection and disposal by

licensed toxic waste collectorslicensed toxic waste collectors

Disposal at high temperatureDisposal at high temperaturebiohazardousbiohazardous waste incinerationwaste incineration

plantsplants

PrivatisationPrivatisation ofof


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PrivatisationPrivatisation ofof

Refuse Collection ServiceRefuse Collection Service

BedokBedok

JurongJurong

ClementiClementi CityCity

TanglinTanglin--Bukit MerahBukit Merah

AngAng MoMo KioKio--ToaToa PayohPayoh

HougangHougang--PunggolPunggolWoodlandsWoodlands--

YishunYishun

3

4

9

5 6

8

7

2

Pasir RisPasir Ris--TampinesTampines

1

Di lDi l


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DisposalDisposal

I i tiI i ti


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90% waste is disposed of by incineration

Volume of waste is reduced by 90%

Energy is recovered for electricity generation

980 mill ion kWh electricity generated per year2-3% of electricity demand for Singapore

Scrap metal is recovered for recycling22,800 tonnes/year of scrap recovered

IncinerationIncineration

Incineration Plants


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Incineration Plants

Senoko IPSenoko IP

TuasTuasSouth IPSouth IP

Tuas IPTuas IP UluUlu PandanPandan

IPIP

Incineration Plants in SingaporeIncineration Plants in Singapore


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Incineration Plants in SingaporeIncineration Plants in Singapore

170200560890Construction

Cost(S$ mill ions)

4 units5 units6 units6 unitsBoiler /

Incinerator

1100170024003000

Designed

Capacity(tonnes/day)

1979198619922000Year Built

Ulu PandanIncineration

Plant

TuasIncineration

Plant

SenokoIncineration

Plant

Tuas SouthIncineration

Plant

S kS k L dfillL dfill


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600 tonnes/day non-incinerable waste

1,400 tonnes/day incineration ash

Commenced operation on 1 Apr 99

Capacity : 63 million m3

Area : 350 ha

Cost : S$610 mil

SemakauSemakau LandfillLandfill

Semakau Landfill


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Semakau Landfill

SemakauSemakauLandfillLandfill

TuasTuas MarineMarineTransfer StationTransfer Station


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Clean Public Areas

Cleaning of Public Areas

Expressways/Roads

Roadside drains

Pavements/Sidewalks Parks

Other public areas

Strict anti-littering law


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Cleaning Public AreasMechanical road sweepers Pavement sweeper

Litter picking

ut omes


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Refuse collected daily byPublic Waste Collectors andproperly disposed of by

incineration and landfill Streets and public placesare clean

Outcomes


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RecyclingOverall recycling rate gone

up : 40% in 2000 to 49% in

2005

WASTE OUTPUTWASTE OUTPUT


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Year

WASTE OUTPUTWASTE OUTPUT( DAILY AVERAGE 1970( DAILY AVERAGE 1970 2005 )2005 )

1,260

2,570

5,700

7,700

0

1,000

2,000

3,000

4,000

5,000

6,000

7,000

8,000

9,000

1970 1975 1980 1985 1990 1995 2000 2005

Tonnes Per Day2001

7,000

2005

Key to Sustainability


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y y

Involve theCommunityto take

Ownershipof the

Environment


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Community Participation Involvement of 3P (Private, Public and

People) Sectors Residents

Businesses

Schools

Grassroots organizations

Government agencies

NGOs


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Approach Communication

Engagement

Empowerment

MISSION: OWNERSHIP


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Community Participation Programs/Initiatives:

Recycling Corners inSchools

Environment Clubs

Dialogue/feedback Community-led

activities

Products stewardship

Recycling Day Clean & Green Week

Fun activities to teach recycling


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Thank You

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solid waste management code of singapore

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