utilization of waste plastics coated aggregate for
TRANSCRIPT
UTILIZATION OF WASTE PLASTICS COATED AGGREGATEFOR FLEXIBLE PAVEMENT AND
EASY DISPOSAL OF WASTE PLASTICSDr.R. Vasudevan
Low density polyethylene(LDPE): bags, sacks, bin lining, andsqueezable detergent bottles etc
High density polyethylene(HDPE): bottles of pharmaceuticals, disinfectants,milk, fruit juices, bottle caps etc
Polypropylene (PP): bottle cap and closures, film wrapping forbiscuits, microwave trays for ready-mademeals etc.
Polystyrene(PS): yoghurt pots, clear egg packs, bottle caps, lids
Foamed Polystyrene: food trays, egg boxes, disposable cups,protective packaging etc
Polyvinyl Chloride(PVC): mineral water bottles, credit cards, toys, pipesand gutters; electrical fittings, furniture, binders,folders and pens; medical disposables; etc
PLASTICS – A GOOD FRIEND
50%52%52%% of plastics in packaging
40372272976Plastics in packaging
805443741889Total
1415647203Others
28914034Polyethylene terephthalate -Bottles
1287867489Polyvinyl chloride(PVC) – Tubes
1790885340Polypropylene(PP) – Bags
32671835823Polyethylene (PE) – Carry bags
2006-072001-021995Polymer
(Thousand tones)(Thousand tones)
CPCB report: 4000 t/a (1990) to 40 lac.t/a (2001).
80000 tons/D waste(2006)
World Rank (INDIA) - III ( 4.0 kg :20 kg)Tamil Nadu - 2.4 lac. Tons IN 2003. 4.5 IN 2006
( 7000 industries with 7 lac. workers )
Major plastics in use – Polyethylene(Cups,bottle,bags. Etc) - Polypropylene 80%
- Polystyrene
Tubes - Poly vinyl chloride - 10%PET - 8 % Recycling - 55%
Problems – non- biodegradableaccumulation of waste with MSWdisposal technique andpeople garbage culture
Plastics areindispensable
PRESENT SCENARIO
BAN
PVC – Pipes
Others
PET – Bottle
PE, PP & PS - films
Bio-based Polymers
TOXICITY
INCREASE
Flex Board: PVC
CO,CO2>700CH4, C2H6270-350No gas110-140
PEPPPS
Products
reported
Ignitiontemp.
range inDeg. C
Productsreported
Decom.temp.range
in Deg.C
Productsreported
Soften.point
Type ofPolymer
THERMAL BEHAVIOUR
PVCPVC –– not considerednot considered
Chemical reactionChemical reaction (700 deg)(700 deg)
PE, PP, PSPE, PP, PS C, CO, COC, CO, CO22 but nobut no ClCl22
Use of PE, PP and PS can not liberate dioxin even onUse of PE, PP and PS can not liberate dioxin even onburningburning ..
PVCPVC C, CO, COC, CO, CO22 and Cland Cl22 andand HClHCl
C + OC + O22 + Cl2 Cu II Catalyst+ Cl2 Cu II Catalyst DioxinDioxin300300 ––350350 deg.Cdeg.C
PVC alone on heating may result in dioxin formationPVC alone on heating may result in dioxin formation(300(300--350 deg. C)350 deg. C) (reverse cooling(reverse cooling))
PE - (-CH2- CH2-)n PP - (-CH2- CH(CH3)-)n
PS - (-CH2- CH(C6H5)-)n PVC - (-CH2- CH(Cl)-)n
DIOXIN
l Source- Chlorine related pesticides– Chlorinated solvents– Bleaching– Chlorination of water– Leaded petrol– PVC
• Better Road
• Use of Waste Plastics
• Saving of Bitumen
• Cost Less
• Solid Waste into Manure
• Job for Self Help Group
Specialties
Plastic Tar Road -A New Path way
A small step towards…
AGGREGATES HOT AGGREGATES
POLYMER COATEDAGGREGATE BITUMEN MIXTURE ROAD LAYING (120°.C)
170 °C
HOTBITUMEN160 °C
POLY.COATEDAGGREGATES
Wasteplastics
WASTE PLASTICS COATED AGGREGATE- BITUMEN MIXProcess Outline
PLASTICS – TAR ROAD
1. Better binding property2. Higher Softening point; withstands high temp.3. Lower penetration value; withstands higher load4. No stripping – Resists the permeation of water5. Higher Marshal Stability–increased strength of road6. Operation temperature range: 160-170 deg.C7. Cost less compared to CRMB.
Waste Plastics ( MSW, road side etc.)8. Better disposal of waste plastics9. No toxic gas evaluation - No to Dioxin10. Waste plastics Disposal - No longer a problem
PATH WAYBLOCKS
SPEED BREAKERNeeds 20 blocks
PLASTIC TARROAD
Road Area: Bitumen- 100kg, Plastics – 10kg
Block: Plastic-88kg
Speed Breaker: Plastics- 6.25kg
10m
1m
3.75m
1 LAKH CARRY BAGS DISSAPPEARS IN 10M2 AREA
Toevaluated
100%250gmsNIL1m X 1mRoofingSheets
20%NIL40 tonsNIL1kmX 3.75Block
Road
Products
Rs,15,0001 tonnes1 tonnes9 tonnes1kmX 3.75m
Costreduced
Bitumensaved
Plasticsneeded
Bitumenneeded
Area
Plastic Tar Road Cheap and Good
AggregateAggregate Waste plastics
140140°°CC
BlockBlockC.SC.S –– 300tons300tons
F.SF.S –– 2000 kg cm2000 kg cm..
(moment)(moment)
Waste Plastics – a Binder
Binding Property
39032030
35029025
33527020
32525010
BendingStrength (Kg)
Compression Strength( Tonnes)
Percentage ofplastics coatingover aggregate
Coating Over Stone Improves QualityVoid Characteristics
NilNiltraces3%
1%Nil1.1%2%
2.2%Nil2%1%Withplasticcoating
4%~54%0Withoutplasticcoating
VoidsSoundnessMoistureAbsorption
Percentageof PlasticStone
Aggregate
•• Aggregate Coated with plain BitumenAggregate Coated with plain BitumenShows 5% stripping after 24 hoursShows 5% stripping after 24 hours
Bitumen Coating over PCABitumen Coating over PCARESISTANCE TO STRIPPINGRESISTANCE TO STRIPPING
• Aggregates coated with Plastics Wastefollowed by bitumen Shows Nil Strippingeven after 72 hours
No Pot Hole FormationNo Pot Hole Formation
83.676.761.339.72.551.0149.82
90.786.763.231.42.60.8050.33
92.388.763.52.422.50.6150.13
99.098.096.0-2.5-50.01
BitumenRemove
d(%)
BitumenRemove
d(%)
BitumenRemove
d(%)
15Minutes
10Minutes
5Minutes% of
Plasticsadded(gm)
Bitumen(gm)
Plastics
PE(gm)
Aggregate(gm)
Removal of Bitumen Difficult
Improved binding
Extraction of Bitumen from bitumen/PCA
4.525005.4
3.725205.0
2.725404.6
2.525204.5
2.219604.2
Flow value(mm)(2-4)
MarshallValue Kg
% of Bitumen(10% WP
Modified mix Properties
Standard Marshall Value = 1100kg
Plastic Roads – Increase Strength
% of Bitumen % of PolymerWith respect to bitumen
Marshall Value Kg
4.6 0 1150
4.6 5 2010
4.6 10 2540
4.6 15 2440
4.6 20 2300
5.0 15 2670
5.0 20 2040
5.5 20 1830
MIX MODIFIER
3044.10125050.10
5154.75245050.50
4064.70191050.25
M/Q(kg/mm)
Flow value(mm)
MarshallStability
Value(Kg)
% of Bitumenadded in the
mix
% of PlasticsWaste
added in themix
MSV for Polymer coated aggregate - bitumen mix
1. Aggregate
2. Plastics bonded with aggregate (polymer coating)
3. Bitumen–plastics blend (due to diffusion between molten plastics &hot bitumen)
4. Loosely bonded bitumen with dispersed plastics5. Plain bitumen
1 2 3 4 5
Recent Successes
• 1000 km DRDA road laid by Tamil Nadu• Banners removed from Buses• Approval from CPCB• Plastics company Red to Green• The performance of the laid road• Public responses• Foreign Govt’s interact• Road at Mumbai• Interaction at Ranchi
Special Note: Roads are being laid using waste plastics throughout Tamilnaduunder the Scheme titled, ‘1000 km Plastic Tar Road’ as announced byHonourable Chief Minister of Tamil Nadu on 16th August 2003 at Namakkal, bythe Department of Rural Development Agency.
Block places Plastic – Tar Road Laid
Plastic materials ( PE, PP & PS ) usedPlastic materials ( PE, PP & PS ) usedNo LeachingStay on the RoadNo soil pollutionHeating to approx.160 deg.Less water diffusionRising temperature duringTraffic no effectNo dioxin formationBetter UV stabilization
No thermal decomposition
Acts as safe area for land filling.Acts as safe area for land filling.Avoids incineration.Avoids incineration.
Mumbai
How safe the road
Promotional efforts1000 kms of road – as ordered byHonourable Chief Minister of TamilNadu.Training programme for Engineers,Self Help Groups.
A Model Road at Pondicherry -Honourable Chief Minister ofPondicherry.
Chennai Corporation has laid 12 roads.
Model plastics tar roads at 20Majors Cities in TN.
Plastics – Tar Road at ThiagarajarCollege of Engineering,
CPCB Delhi has signed MoU withThiagarajar College of Engineering,Madurai on Plastics road.
policy note by TN Highways on layingPlastics – Tar Road.
Pamphlet released by TNGovt.
NEED OF THE HOUR
-- Awareness creation to SocietyAwareness creation to Society
-- Students involvementsStudents involvements
-- Mass media’s helpMass media’s help
-- Healthy Garbage cultureHealthy Garbage culture
-- Discipline in public houses.Discipline in public houses.
-- Government supportGovernment support
ØØ GrowthGrowth
ØØ EmploymentEmployment
ØØ SafeSafeØØ UtilityUtility
ØØ CheapCheap
ØØ Reuse of PolymersReuse of PolymersØØ ResearchResearchØØ solution of socialsolution of socialØØ problemproblem
GOVTGOVT INDUSTRYINDUSTRY
ØØ ‘‘Waste disposal’Waste disposal’
ØØ Solution for pollutionSolution for pollution
ØØ HygieneHygiene
PUBLICPUBLIC INSTITUTIONINSTITUTION
PlasticPlastic
The wonder materialsThe wonder materials
Land Filling
Postponement
Of Solution
• Water flow seepage affected• Land soil gets polluted• Solid waste --- Not disposed properly.• Non-availability of natural manure• Space not available
•Soil microbe activity reduced
• Water line clogging – CH4 evolution green house effect
IncinerationIncineration
• Burning or ˜\ 700-1100º C Toxic gases like• Incineration CO, CO2 & ash ( oxides)
• Air Pollution (dust, etc.,)• Loss of solid waste• Global warming• Monsoon failure• Cost is more• Improper technology• Dioxin ?
Brahma Siva
Vishnu
Protectionbetter road andpollutionprevention
Destruction ofPolymer Material
Creation of Blend
REUSE
Our Team
DR.R. VASUDEVANDR.R. VASUDEVANA.RAMALINGA CHANDRAA.RAMALINGA CHANDRASEKARSEKARB. SUNDARAKANNANB. SUNDARAKANNAN
Newer Products Using PlasticsNewer Products Using Plastics
1.1. Path way BlocksPath way Blocks** High compressive Strength (150 tons)High compressive Strength (150 tons)* High Flexural strength* High Flexural strength (250kg)(250kg)* High volume of Plastics utilization* High volume of Plastics utilization* Patent No:* Patent No: 0220/MAS/030220/MAS/03
2. Roofing Sheets2. Roofing Sheets** Better StrengthBetter Strength* Polymer Blend* Polymer Blend* Newer technologies for preparation* Newer technologies for preparation* Less moisture absorption* Less moisture absorption
3. Corrosion MS Rod3. Corrosion MS Rod
other productsother products –– Mastic flooring materialsMastic flooring materials
