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SARMa Sustainable Aggregates Resource Management
Kick off meeting
15-17 June 2009 Bologna
WP3 Activities3.3: Recycling
re-use of quarry and demolition wastes
POLITECNICO DI TORINO (sub-contractor)Gian Andrea Blengini, PhD.Elena Garbarino, PhD.
NATIONAL ASSOCIATION PRODUCERS NATIONAL ASSOCIATION PRODUCERS OF RECYCLED AGGREGATESOF RECYCLED AGGREGATES
Giorgio BressiGiorgio Bressi
Raw Material Extraction
Processing
Production
Use and Maintenance
Disposal
LCA (Life Cycle Assessment)
ISO 14040 STANDARD
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
Action 3.3.a: (ANPAR, IGME, IGR, GeoZS, METE)
Preparation of life cycle analyses of primary & secondary aggregates
Reuse
Recycling
LCA identifies and quantifies energy and materials used, as well as releasesto theenvironment and theirpotential impacts throughout the whole life cycle
““from-cradle-to-grave”from-cradle-to-grave”
.
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
…recycling can avoid landfill and partially displace environmental impacts of quarrying, but it is responsible of impacts related to re-processing and might increase transport-related impacts
Subsystems in the life cycle of C&DW
AVOIDED LANDFILL
COLLECTION RECYCLING
DELIVERY of Recycled Aggregates
(RA)AVOIDED PRODUCTION of Natural Aggregates (NA)
(and Steel (RS))
““from-from-gravegrave-to-cradle”-to-cradle”
CERETTO QUARRY
South of Torino, left side of Po river
Production 500 000 t/a
ECOPROFILES OF NATURAL AGGREGATES
(from-cradle-to-gate)
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
From-cradle-to-gate Potential Environmental Impacts
(data per 1 ton)Unit Gravel Sand
Gravel & sand
Gravel, crushe
d
Gravel & sand, round
Gravel & sand,
crushed
Gravel & sand, round
Gravel & sand, round
ETH-ESUETH-ESU
IDEMAT Ecoinvent Ecoinvent Boustead Boustead DITAG
Energy resources, GER MJ 162.6152.
0114.2 135.0 57.8 107.1 75.7 67.7
Global warming, GWP CO2 eq kg 10.4 10.0 8.7 4.2 2.3 6.7 5.7 4.6
Acidification, mol H+ eq mol 1.69 1.59 2.97 0.88 0.57 2.18 2.43 1.70
Eutrophication, O2 eq kg 0.28 0.28 0.62 0.19 0.13 0.43 0.61 0.32
Photochemical smog, C2H4eq g 0.54 0.53 0.16 0.35 0.12 0.13 0.08 0.06
Waste generation kg x x 0.48 x x x x 0.03
BACKGROUNDRESEARCH
STATIONARY C&DW RECYCLING PLANT
South of Torino
Production 150000 t/a
dry processing of mixed C&DW
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
From-cradle-to-gate Potential Environmental Impacts
(data per 1 ton)Unit
0/10mm
0/8mm
0/40mm
8/40mm
40/100mm
0/100mm
AverageCavit 2002
AverageCavit2002
Processing + handling + delivery 15km (no transport)
Energy Resources, GER MJ 66.9 75.4 76.6 77.3 77.3 76.8 76.3 44.5
Global warming, GWP CO2 eq kg 5.0 5.5 5.5 5.6 5.6 5.5 5.5 3.1
Acidification, mol H+ eq mol 2.01 2.33 2.35 2.36 2.36 2.35 2.34 1.32
Eutrophication, O2 eq kg 0.48 0.49 0.49 0.49 0.49 0.49 0.49 0.23
Photochemical smog , C2H4 eq g 0.07 0.08 0.08 0.08 0.08 0.08 0.08 0.04
Waste generation kg 0.60 0.54 1.08 1.37 1.37 1.16 1.08 1.08
BACKGROUNDRESEARCH
ECOPROFILES OF RECYCLED AGGREGATES
(from-gate-to-gate)
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
EXPECTED RESULTS FROM THE LCA ANALYSISOF THE RECYCLING CHAIN
Example: Global Warming (kg CO2eq/t)
-20.0
-15.0
-10.0
-5.0
0.0
5.0
10.0
Avo
ided
land
fill
Col
lect
ion
Rec
yclin
g
RA
deliv
ery
NA
deliv
ery RA
RS
TOTA
L
AVOIDED LANDFILL
COLLECTION RECYCLING RA DELIV.
NA DELIVERY
AVOIDED IMPACTS
NAT. AGGREG.
STEEL
AVOIDED IMPACTS
INDUCED IMPACTS
.
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
Typology NA RA NA/RA
Stationary 18 3 5
Semi-mobile 2 7 5
Mobile 11 58 11
Total 31 68 21
Stationary plants
Semi-mobile plants
Mobile plants
A + B + C
B + C
C
Recycled aggregates
• Type A: high quality
RA for concrete and road
construction (high Q)
• Type B: medium
quality RA for road and
harbour construction
• Type C: low quality RA
for environmental filling
and site rehabilitation
BACKGROUND CASE STUDY:LCA OF C&D WASTE MANAGEMENT IN TURIN (ITALY)
Around 90 plants considered
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
-TERRITORY COVERAGE OF MARKET DEMAND
-ESTIMATION OF TRANSPORTATION DISTANCES (IMPORTANT CONTRIBUTION TO THE IMPACTS)
TRANSPORTATION NETWORK NEEDS OPTIMISATION
BACKGROUND CASE STUDY:LCA OF C&D WASTE MANAGEMENT IN TURIN (ITALY)
LCA-GISMODEL
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
Land use Transformation, from pasture and meadow 0.08 m2
Occupation, dump site 0.08*16 m2aTransformation, to industrial area, vegetation 0.08 m2
Materials/fuels (operation of landfill) Electricity 1.14 kWhDiesel 20.23 MJWater 2.6 m3
Construction of landfill facility Concrete 13.85 kgWaterproof barrier 0.47 kgReinforcing steel 0.34 kgBentonite 9.93 kgGravel 47.10 kgPolyethylene mesh 0.43 kgPolyethylene pipe network 0.02 kgExcavation, hydraulic digger & loader 1 m3
Inventory data for C&DW landfill (data per 1 t)
EXAMPLE OF DATA NEEDED FOR THE FUTURE LCA MODELS IN SARMa
BACKGROUND CASE STUDY:LCA OF C&D WASTE MANAGEMENT IN TURIN (ITALY)
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
Inventory of Collection of C&DW
Collection Route Lorry Distance
Direct collection
43% work site treatment plant50% 3.5-16 t 20 km
50% >16 t 25 km
Indirect collection
19%
work site collection centre
50% <3.5 t 15 km
50% 3.5-16 t 15 km
collection centre treatment plant
100%
>16 t 25 km
In-situ recycling
38%mobile plant
transportation(*)
100%
>32 t 100 km
EXAMPLE OF DATA NEEDED FOR THE FUTURE LCA MODELS IN SARMa
BACKGROUND CASE STUDY:LCA OF C&D WASTE MANAGEMENT IN TURIN (ITALY)
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
Inventory data for C&DW recycling (data per 1 t)
Mobile Semi-mobile Stationary% number of plants % 77.5 13.5 9.0% mass (based on authorizations) % 47.5 24.8 27.7Land useOccupation, industrial area m2a 0.2 0.12 0.10Materials/fuels Hammers/jaws kg 0.0135 0.0135 0.0327Water kg 6.7Lube oil kg 0.001 0.001 0.001Polyurethane screen kg 0.0146Steel screen kg 0.0030 0.0105Synthetic rubber kg 0.0043Diesel l 0.688 0.706 0.680Electricity MJ 3.605Output to recycling/disposalRecycled aggregate type A kg - - 49.5Recycled aggregate type B kg - 697.6 911.6Recycled aggregate type C kg 997.6 300 36.5Steel scrap to recycling kg 2.4 2.4 2.4
EXAMPLE OF DATA NEEDED FOR THE FUTURE LCA MODELS IN SARMa
BACKGROUND CASE STUDY:LCA OF C&D WASTE MANAGEMENT IN TURIN (ITALY)
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
Resources & Land use Gravel, in ground 1.04 t
Water 1.38 m3
Occupation, mineral extraction site 0.0125*13 m2aTransformation, from forest 0.0125 m2
Transformation, to mineral extraction site 0.0125 m2
Materials/fuels Diesel 4.904 MJElectricity 10.803 MJLight fuel oil 2.44 MJHammers/jaws 0.0112 kgSteel screen 0.02 tLubricating oil 0.00181 kgSteel 0.013 kgSynthetic rubber 0.0073 kgTap water 10.1 kgInfrastructure and recultivation Quarry infrastructure 1/(500000*30) UnitRecultivation 0.0125 m2
Inventory data for Natural aggregate quarrying (data per 1 t)
EXAMPLE OF DATA NEEDED FOR THE FUTURE LCA MODELS IN SARMa
BACKGROUND CASE STUDY:LCA OF C&D WASTE MANAGEMENT IN TURIN (ITALY)
.
AL: Fushe Kruje,
GR: Vermio, Vavdos/Gerakini, Laka, Mandalos, Araxos,
IT: Nerviano, Legnano
RO: Moldova Noua, Deva
SI: V. Pirešica, Sežana, Hotavlje, Dogoše, Novo mesto, Stahovica
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
LCA MODELS – CASE STUDIES FOR SARMa
NERVIANO
SARMa Sustainable Aggregates Resource
Management
Kick off meeting
15-17 June 2009 Bologna
WP3
3.3 Recycling
WORKPLAN
- Participants will be given a list of information and data that are needed to conduct Life Cycle Analysis
- Tables to be filled in with request of site specific data will be sent to the participants
- Instructions and support will be provided by ANPAR-POLITO
Expected results and deliverables:
Anpar will provide manual on conduct of life cycle analyses including a number of case studies
.
SARMa Sustainable Aggregates Resource Management
Kick off meeting
15-17 June 2009 Bologna
Thank you for your attention
POLITECNICO DI TORINO (sub-contractor)