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1 Energy-Water-Environmental Challenges: Sustainable Development Solutions in Mining Energy-Water-Environmental Challenges: Sustainable Development Solutions in Mining www.clca.columbia.edu Vasilis Fthenakis Center for Life Cycle Analysis Columbia University and Photovoltaics Environmental Research Center Brookhaven National Laboratory

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Page 1: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

1

Energy-Water-Environmental Challenges: Sustainable Development Solutions in Mining

Energy-Water-Environmental Challenges: Sustainable Development Solutions in Mining

www.clca.columbia.edu

Vasilis Fthenakis

Center for Life Cycle Analysis Columbia University

andPhotovoltaics Environmental Research Center

Brookhaven National Laboratory

Page 2: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

2

Problems awaiting SolutionsProblems awaiting Solutions

Top 10 problems of Humanity for the next 50 yearsRichard Smalley (1943- 2005)

1. Energy2. Water3. Food4. Environment 5. Poverty 6. Terrorism & War7. Disease 8. Education9. Democracy10. Population

Page 3: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

3

A Grand Plan for Solar EnergyA Grand Plan for Solar EnergyBy 2050 renewable energy to supply 69% of electricity, 35% of total energy needs of the U.S.Zweibel, Mason, Fthenakis, Jan. 2008

.

The technical, geographical and economic feasibility for solar energy to supply the energy needs of the U.S., Vasilis Fthenakis, James Mason, Ken Zweibel, Energy Policy 37 (2009)

Photovoltaics Concentrated Solar Power WindCompressed Air Energy Storage Geothermal, BiomassHigh Voltage DC Transmission Hybrid plug-in electric cars

Cumulative Deployment 2030254 GW PV; 210 GW Wind118 GW CSP; 55 GW Geothermal

Page 4: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

4

Center for Life Cycle Analysis (CLCA): Energy-Water-Environmental ResearchCenter for Life Cycle Analysis (CLCA): Energy-Water-Environmental Research

Current Research Areas:1. Sustainability Systems Analysis of Energy Life-Cycles

2. Renewable Energy Systems Integration

Applications:Industry: Photovoltaics, Energy Storage, Water Desalination, Mining

Country: Europe, United States, Chile, Arabian Gulf Countries

Page 5: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

5

Area 1: Sustainability Systems Analysis of RE Life-CyclesLarge Scale PV –Sustainability Criteria

Area 1: Sustainability Systems Analysis of RE Life-CyclesLarge Scale PV –Sustainability Criteria

Low Cost

ResourceAvailability

Lowest Environmental Impact

Fthenakis, The sustainability of thin-film PV, Renewable & Sustainable Energy Reviews, 2009Fthenakis, Sustainability metrics for extending thin-film PV to terawatt levels. MRS Bulletin, 2012.

Page 6: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

6

Three Generations of Solar Cells: Module Costs Three Generations of Solar Cells: Module Costs

Wolden C, Kurtin J., Baxter J., Repins I., Shaheen S., Torvik J., Rockett A., Fthenakis V.,Aydil E., Photovoltaic Manufacturing: Present Status and Future Prospects, J. Vac. Sci. Technolo. A 29(3), 030801-16, 2011

Fthenakis V. (editor), Third Generation Photovoltaics, InTech Publishing, 2012

Page 7: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

7

Energy-Environmental Systems AnalysisExample: CdTe PV LCAEnergy-Environmental Systems AnalysisExample: CdTe PV LCA

Questions to answer:

Low Cost

ResourceAvailability

Lowest Environmental Impact

Can it compete with electricity from fossil fuels?

Te availability ? Cd risks ?

Page 8: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

8

Life Cycle AnalysisLife Cycle Analysis

Raw Material

AcquisitionMaterial

ProcessingManufacture Decommiss

-ioningTreatment Disposal

Installation/Operation

Recycling

M, Q

E

M, Q M, Q M, Q M, Q M, Q

E E E E E

M, Q: material and energy inputs

E: effluents (air, water, solid)

M, Q

E

Accidental emissions

Separations,Recovery

Experimental Research at BNL & CU

Basic Metrics• Energy Payback Times (EPBT) • Greenhouse Gas Emissions• Toxic Emissions• Resource Use (materials, water, land)

Page 9: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

9

Energy Payback Times (EPBT)Energy Payback Times (EPBT)

0

0.5

1

1.5

2

2.5

3

3.5

Mono_Si 16% Multi‐Si 14% CdTe 13% CIGS 12%

Operation in Germany ‐Irradiation 1000 kWh/m2/yr‐

Si feedstock Ingot Cell Frame Laminate Inverter Mounting‐cabling

EPBT (years)

Based on data from 14 manufacturers in Europe, U.S. and Japan

-Fthenakis & Kim, Encyclopedia of Sustainability Science and Technology, 2012; -Fthenakis & Kim, Solar Energy, 2011; -deWild et al., 2009, EUPV, 2013; Fthenakis et al., EUPV, 2009; -Fthenakis & Kim, ES&T, 2008; - Alsema & de Wild, Material Research Society, Symposium, 2006; - Fthenakis & Alsema, Progress in Photovoltaics, 2006

Page 10: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

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Energy Payback Times (EPBT)Energy Payback Times (EPBT)

EPBT (years)Operation in Chile -Irradiation 2500 kWh/m2/yr-

Solar Energy in Copper Mining

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11

0

200

400

600

800

1000

1200

1400

Coal (Kim andDale 2005)

Natural Gas(Kim and Dale

2005)

Petroleum(Kim and Dale

2005)

Nuclear(Baseline -

Fthenakis andKim, 2007

PV, CdTe(Fthenakiset al, 2014)

PV, mc-Si,(Fthenakis et al, 2014)

GH

G (g

CO

2-eq

./kW

h)

MaterialsOperationTransportationFuel Production

GHG Emissions from Life Cycle of Electricity Production: ComparisonsGHG Emissions from Life Cycle of Electricity Production: Comparisons

24 14 28

Fthenakis, California Energy Commission, Nuclear Issues Workshop, June 2007 Fthenakis & Kim, Life Cycle Emissions…, Energy Policy, 35, 2549, 2007Fthenakis & Kim, ES&T, 42, 2168, 2008; update 2014

14 % 14 %

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12

Cd Risk Assessment in CdTe PV life-cycle:Simulations of Accidental Releases during Roof FiresCd Risk Assessment in CdTe PV life-cycle:Simulations of Accidental Releases during Roof Fires

• Weight Loss Measurements• ICP Analysis of Cd & Te Emissions• ICP Analysis of Cd & Te in Molten Glass• X-ray Fluorescence Micro-Spectrometry of Cd in Molten Glass

Fthenakis, Renewable and Sustainable Energy Reviews, 2004Fthenakis, Fuhrmann, Heiser, Lanzirotti, Wang, Progress in Photovoltaics, 2005

12”x2.5” PV sample burned at 1000 oC

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XRF-micro-probe -Cd distribution in PV sample1000 oC, Sections taken from middle & side of sampleXRF-micro-probe -Cd distribution in PV sample1000 oC, Sections taken from middle & side of sample

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

0 10000 20000 30000

Cd (counts)

posi

tion

(mm

)

-3.5

-3

-2.5

-2

-1.5

-1

-0.5

0

0 10000 20000 30000 40000

Cd (counts)

posi

tion

(mm

)-3

-2.5

-2

-1.5

-1

-0.5

0

0 2000 4000 6000 8000

Cd (counts)

pos

itio

n (m

m)

Cd Loss = 0.5%

-4

-3.5

-3

-2.5

-2

-1.5

-1

-0.5

0

0 10000 20000 30000

Cd (counts)

posi

tion

(mm

)

-4.5

-4

-3.5

-3

-2.5

-2

-1.5

-1

-0.5

0

0 10000 20000 30000

Cd (counts)

posi

tion

(mm

)

-8

-7

-6

-5

-4

-3

-2

-1

0

0 5000 10000

Cd (counts)

posi

tion

(mm

)

Cd Loss = 0.5%

Fthenakis, Renewable and Sustainable Energy Reviews, 2004Fthenakis, Fuhrmann, Heiser, Lanzirotti, Wang, Progress in Photovoltaics, 2005

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14

Fthenakis, Renewable and Sustainable Energy Reviews, 2004Fthenakis et al, Progress in Photovoltaics, 2005

XRF Micro-probe-Cd Distribution in PV sample 760 oC, Section from middle of sample

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15

Atmospheric Cd Emissions from the Life-Cycle of CdTe PV Modules –Reference CaseAtmospheric Cd Emissions from the Life-

Cycle of CdTe PV Modules –Reference Case

Process (g Cd/ton Cd*) (% ) (mg Cd/GWh)1. Mining of Zn ores 2.7 0.58 0.022. Zn Smelting/Refining 40 0.58 0.303. Cd purification 6 100 7.794. CdTe Production 6 100 7.795. CdTe PV Manufacturing 0.4* 100 0.52*6. CdTe PV Operation 0.05 100 0.067. CdTe PV Recycling 0.1* 100 0.13*TOTAL EMISSIONS 16.55

Fthenakis V. Renewable and Sustainable Energy Reviews, 8, 303-334, 2004

* 2011 updates

Plus 200 mg Cd/GWh Indirect Cd emissions from electricity and diesel used in life-cycle

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16

Total Life-Cycle Cd Atmospheric EmissionsTotal Life-Cycle Cd Atmospheric Emissions

3.70.3

44.3

0.90

10

20

30

40

50

0.4 0.7 0.6 0.2

g C

d/G

Wh

Fthenakis and Kim, Thin-Solid Films, 515(15), 5961, 2007Fthenakis, Kim & Alsema, Environ. Sci. Technol, 42, 2168, 2008

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17

Fthenakis V. and Wang W., Separating Te from Cd Waste Patent No 7,731,920, June 8, 2010Wang W. and Fthenakis V.M. Kinetics Study on Separation of Cadmium from Tellurium in Acidic Solution Media Using Cation

Exchange Resin, Journal of Hazardous Materials, B125, 80-88, 2005 Fthenakis V.M and Wang W., Extraction and Separation of Cd and Te from Cadmium Telluride Photovoltaic Manufacturing Scrap,

Progress in Photovoltaics, 14:363-371, 2006.

Recycling R&D : CdTe PV Modules

Page 18: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

18

Large Scale PV –The Value of Recycling Large Scale PV –The Value of Recycling

Low Cost

ResourceAvailability

Lowest Environmental Impact

Affordability in a competitive world

Ag

Te in CdTe In in CIGS Ge in a-SiGe & III/VAg in c-Si

Life cycle impacts & risks lower than alternatives

Fthenakis, Mason & Zweibel, The technical, geographical and economic feasibility for solar energy in the US, Energy Policy, 2009Fthenakis, The sustainability of thin-film PV, Renewable & Sustainable Energy Reviews, 2009Fthenakis, Sustainability metrics for extending thin-film PV to terawatt levels. MRS Bulletin, 2012

Recycling

Page 19: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

19

•2005-European Union•2009-France•2010-Spain •2012-Italy• -Germany• -Thailand• - India• -Japan• -Middle-East•2013-China• -Chile•2014-Brazil•2015-South Africa

LCA Guiding Energy Policy(Expert Peer Reviews of EHS Impacts & Benefits of CdTe PV Technology)

LCA Guiding Energy Policy(Expert Peer Reviews of EHS Impacts & Benefits of CdTe PV Technology)

Expert Peer Reviews by: US-DOE, 2004; EC-JRC, 2004; German Ministry of the Environment, 2005

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20

LCA Guiding PV Technology Evolution LCA Guiding PV Technology Evolution

• Methodology• Fthenakis, Frischknecht, Raugei, et al., Methodology Guidelines on Life Cycle

Assessment of Photovoltaic Electricity, 2nd edition, International Energy Agency, Report IEA-PVPS T12-03:2011.

• Si PV Evolution –EPIA Roadmap• Mann S., de Wild-Scholten M., Fthenakis V., van Sark W., Sinke W., The energy

payback time of advanced crystalline Si PV modules in 2020: a prospective study, Prog. Photovolt: Res. Appl. 2014

• Nano & Organic PV• Kim & Fthenakis, Comparative Life Cycle Energy Payback Analysis of multi-junction a-

SiGe and nanocrystalline /a-Si modules, Prog. Photov: Res. and Applications, 2011.

• Kim & Fthenakis, Journal of Industrial Ecology, Life Cycle Energy and Climate Change Implication of Nanotechnologies: A Critical Review, Journal of Industrial Ecology, 2013.

• Fthenakis & Anctil, Life Cycle Assessment of Organic Photovoltaics, in Third Generation Photovoltaics, InTech, 2012.

• Buildings• Asdrubali, Baldassarri & Fthenakis, LCA in the Construction Sector: Guiding the

Optimization of Conventional Italian Buildings, Energy and Buildings, 2013.

Page 21: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

21

Resource Availability: Land, Water, Materials Resource Availability: Land, Water, Materials

Land Fthenakis & Kim, Land Use and Electricity Generation: A Life Cycle Analysis, Ren. and Sustainable Energy Reviews, 2009.

Water Fthenakis & Kim, Life-cycle of Water in U.S. Electricity Generation, Ren. and Sustainable Energy Reviews, 2010.

Critical Metals Fthenakis, Wang & Kim, Life Cycle Inventory Analysis in the Production of Metals used in Photovoltaics, Ren. and Sustainable Energy Reviews, 2009.

Matsuno, Hur & Fthenakis, Dynamic Modeling of Cadmium Flow with Zinc and Steel in Japan, Resources, Conservation and Recycling, 2012.

Anctil & Fthenakis, Critical metals in strategic photovoltaic technologies: abundance versus recyclability, Progress in Photovoltaics: Research and Applications, 2013

Wang & Fthenakis, Feasibility of Recycling of CdTe Photovoltaics, The Minerals, Metals & Materials Society, 2005.

Wang & Fthenakis, Recovery of Tellurium from CdTe Photovoltaic Module Manufacturing Scrap & other Sources, The Minerals, Metals & Materials Society, 2006.

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22

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

2010 2020 2030 2040 2050 2060 2070 2080 2090 2100

Te (M

T/yr

)

Tellurium for PV* from Copper SmeltersTellurium for PV* from Copper SmeltersTellurium Availability for PV* (MT/yr)

•Global Efficiency of Extracting Te from anode slimes increases to 80% by 2030 (low scenario);90% by 2040 (high scenario)

* 322 MT/yr Te demand for other uses has been subtractedAll the future growth in Te production is allocated to PV

Low

High

Page 23: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

23

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

2010 2020 2030 2040 2050 2060 2070 2080 2090 2100

Te (M

T/yr

)

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

20

Te (M

T/yr

)

2010 2020 2030 2040 2050 2060 2070 2080 2090 2100

Te Availability for PV: Primary + RecycledTe Availability for PV: Primary + RecycledTellurium Availability for PV (MT/yr)

Low

High

Recycling every 30-yrs 10% loss in collection10% loss in recycling

Fthenakis V., Renewable & Sustainable Energy Reviews 13, 2746, 2009Fthenakis V., MRS Bulletin, 37, 425, 2012

Page 24: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

24

Area 2: Renewable Energy Systems IntegrationSolar Variability Solutions: Cost OptimizationArea 2: Renewable Energy Systems IntegrationSolar Variability Solutions: Cost Optimization

Type: Seasonal Diurnal Cloud-induced

Solutions: System oversizingLong-distance TransmissionStorage (Hydro, CAES)

Storage (Hydro, CAES, Batteries) Forecasting, Geographic dispersion,Storage (Flywheels, capacitors,batteries)

Markets*: Energy market Energy market (day-ahead) Load Following, Frequency Regulation

P

months

P

hours

P

minutes

Page 25: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

25

Daily Tilted-plane and tracking Radiation Simulations anywhere on the planet

Marc Perez, Doctoral Work, 2014

Page 26: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

26

PV-Storage-Transmission Model Applied to Madrid, Spain

MST Power Grid layout for R = 1 km around Madrid, Spain

longitude

latit

ude

−8 −6 −4 −2 0 2

3840

4244

46

Co-locatedLoad,

PV Storage

7.5¢ /kWh7.5¢ /kWh

49¢/kWh49¢/kWh

7.5¢ /kWh7.5¢ /kWh

88.2¢/kWh

88.2¢/kWh

56.4¢ /kWh 96¢ /kWhMarginal Storage CostMarginal PV Cost

Page 27: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

27

Interconnected PV across 500km

Marginal Storage CostMarginal PV Cost¢¢Marginal Interconnection Cost

MST Power Grid layout for R = 500 km around Madrid, Spain

longitude

latit

ude

−10 −5 0 5

3540

4550

7.1¢ /kWh7.1¢ /kWh

35.1¢/kWh

35.1¢/kWh

7.2¢ /kWh7.2¢ /kWh

72.1¢/kWh

72.1¢/kWh

¢ 43.1/kWh 80.1¢ /kWh

$1¢/kWh

-23.5%

-16.3%

PV-Storage-Transmission Model Applied to Madrid, Spain

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28

The Synergy of Combining PV and WindThe Synergy of Combining PV and Wind

Annual maximum July 26Year 2005

Nikolakakis and Fthenakis, Energy Policy, 39(11), 6972-6980, 2011

Page 29: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

29

Dispatchable Generation

• Unit Commitment and Economic Dispatch

0

500

1000

1500

2000

2500

Monda

y

Tuesd

ay

Wedne

sday

Thurs

day

Frida

y

Saturd

ay

Sund

ay De

man

d (M

W)

PV+Wind

Oil 1

Oil2

Gas 1

Gas 2

CCGT 3

CCGT 4

Base

Variable Generation

……

0

400

800

1200

1600

2000

2400

0 24

48

72

96

120

144

168

g CO2

/kW

h-e

Hours

CCGT 4 CCGT 3 Gas 2 Gas 1 Oil2 Oil 1

• Fuel consumption & associated emissions

• Start-up emissions• Start-up &

operational fuel costs

• O&M & wear of equipment costs

Modeling the Dispatch of Fossil-fuel Generatorsto Balance the Solar+Wind Variability Modeling the Dispatch of Fossil-fuel Generatorsto Balance the Solar+Wind Variability

Nikolakakis, Fthenakis, Modeling the Environmental Impact of PV and Wind Large-scale Integration in Regional Grids, 39th IEEEPVSC, 2013

Page 30: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

30

PV Power Plant Ramps Induced by Clouds:Energy Storage for Ramp Rate ControlPV Power Plant Ramps Induced by Clouds:Energy Storage for Ramp Rate Control

Development of models for simulating dispatch of Energy Storage Units to control PV plant ramp rates (based on 1.5 billion data from 9 PV power plants)

Power Generation System

PV Production time series

Energy Storage Unit (ESU)

Second-by-secondDispatch algorithm to support PV ramping

Power Grid

Ramp rate limit (10 %/min)

P

t

P

t

P

t

+

0 100 200 300 400 500 600 700 800 9000

200

400

600

800

1000

1200

1400

Minute after Sunrise

Irrad

ianc

e (1

000

W/m

2 =

1 p.

u.)

Blythe PV Plant - Minute-by-minute Irradiance - 4/29/2010

DARR: 53.1199 p.u.

van Haaren, Morjaria, Fthenakis, Empirical Assessment of Short-term Variability from Utility Scale Solar-PV Plants, Progress in Photovoltaics Research and Applications, 22(5), 548-559, 2014

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31

BNL Research on Improving Solar Energy Prediction via Sky-ImagingBNL Research on Improving Solar Energy Prediction via Sky-Imaging

Courtesy: Dantong Yu, BNL

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32

Smart Solar Forecast-enabled Dispatching of Storage Systems to Provide Solar Output Certainty to Grid Operators, while Minimizing Variability and System Costs

Smart Solar Forecast-enabled Dispatching of Storage Systems to Provide Solar Output Certainty to Grid Operators, while Minimizing Variability and System Costs

Fthenakis V. , Perez R., Hoff T., proposal to DOE SunShot, concept paper under review

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33

Inexpensive & Reliable Solar Energy Empowering the Mining and Industrial Mineral IndustriesInexpensive & Reliable Solar Energy Empowering the Mining and Industrial Mineral Industries

By: • Reducing energy costs• Minimizing electricity production emissions

• Using solar energy for water desalination

Challenge:• Solar energy dispatchability

Synergies of Mining and Solar Industries:• Using of waste materials in CSP thermal storage• Using Li, Mg and S in electricity storage • Using Te and Se in PV

Page 34: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

34

Solar Energy-Water-Environment Nexus in MiningSolar Energy-Water-Environment Nexus in Mining

Inexpensive & ReliableEnergy

Water Desalination

Lowest Environmental Impact

Solar Energy

Mining needs a lot of energy and water

The cost of energy is ~1/2 the water cost

Page 35: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

35

Regions of Water Stress are Rich in Solar Irradiance & often Rich in Metal & Mineral ResourcesRegions of Water Stress are Rich in Solar Irradiance & often Rich in Metal & Mineral Resources

Sustainable seawater desalination relying on solar energy is a sensible approach

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36

Cost of Energy (US₵/lb of Cu)Cu Production Operational Cost Breakdown‐Leaching‐ ‐Concentration‐

Energy-Water Nexus in Cu Mining –ChileSolution: Solar Water DesalinationEnergy-Water Nexus in Cu Mining –ChileSolution: Solar Water Desalination

Projected Water Consumption in Cu mining  Seawater RO Desalination Plants

Source: COCHILCO various reports

m3/s

Page 37: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

37

Studies with Solar Energy Research Center of Chile: Solar Energy and Water in the Mining IndustriesStudies with Solar Energy Research Center of Chile: Solar Energy and Water in the Mining Industries

• Non-metallic mining industry. Water for mining camps and chemical process for brine to solid salts

• Copper industry. Solar electricity to displace imported fossil-fuels

• Water Treatment using Solar EnergySolar can provide the desalination energy needs

• Thermal storage using salts, electricity storage using pumped-hydro and Li-ion batteries

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38

MotivationMotivation

The exports from the miningindustry in Chile totalled $45.2 billion in 20131

The Chilean production of Cu becomes less competitive; onereason is high electricityprices.

The metal production is mainlylocated in northern Chile whichhas the best solar resource in the world.

Escondida (BHP Billinton; Atacama Desert, Antofagasta, Chile)

1ANUARIO DE LA MINERÍA DE CHILE 2013 (versión corregida), ISSN 0066-5096, Inscripción No 240.099, SERNAGEOMIN2 our elaboration based on ref 1

Metal North Chile % of nationalproduction

Copper 69.4Gold 75.9Silver 62.2Iron 83.7Molybdenum 31.0

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39

Solution: Mining Waste to be Used for Thermal Energy Storage in Concentrated Solar Power Solution: Mining Waste to be Used for Thermal Energy Storage in Concentrated Solar Power

The huge metal mining industry leaves tons of accumulated wasteswith no applications to date.

An Andasol 50 MWe CSP with 7.5 hr thermal energy storage (TES)required 28,000 tonnes of nitrate salts.

Objective: Develop TES systems based on mining wastes andestablish the feasibility and sustainability of implementation ofsuch systems via Life Cycle Analysis.

Energy-Environment Nexus in Cu & Li MiningEnergy-Environment Nexus in Cu & Li Mining

Page 40: Energy-Water-Environmental Challenges: Sustainable ... · Simulations of Accidental Releases during Roof Fires • Weight Loss Measurements • ICP Analysis of Cd & Te Emissions

40

Water-Energy Nexus: Desalination CapacitiesWater-Energy Nexus: Desalination Capacities

Fthenakis V., Solar Energy-enabled Water Desalination in the Gulf Cooperation Council,Prepared for IRENA, in review

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Water-Energy Nexus: Low-carbon International Desalination Initiative for COP21Water-Energy Nexus: Low-carbon International Desalination Initiative for COP21

An alliance of non-governmental actors and possibly governments to foster technology development and solutions sharing to drastically reduce CO2 emissions in water desalination

Investment in R&D&D (additional $100M/yr) Effort led by Masdar Institute, UAE. Endorsed by IRENA To be endorsed by the Government of the United Arab Emirates (UAE) The Initiative shall be launched at the United Nations Climate Change Conference COP21

December 2015 in Paris U.S. Contributors: Columbia-CLCA and NREL Some R&D Suggestions

• Adopt RO to transient operating conditions & seasonal and diurnal water demands• Antifouling and chlorine-resistant membrane coatings• Production of commercial salts from brines, minimizing liquid discharges• Hybrid forward and reverse osmosis• Graphene-based osmosis

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Water-Energy Nexus: Solar Desalination Feasibility StudiesWater-Energy Nexus: Solar Desalination Feasibility StudiesGrid Connected Systems

Fthenakis, Atia, Morin, Bkayrat, New Prospects for PV Powered Water Desalination Plants: A case study in Saudi Arabia, Progress in Photovoltaics: Research and Applications, in press

Atia, Fthenakis, Bkayrat, Techno-economic Evaluation of Stand-Alone PV-Powered Seawater Desalination Plants in Saudi Arabia,, Proc. 29th European Photovoltaic Solar Energy Conference, 2014.

Adam Atia, NSF GRF 2015-18: Flexible, Solar Powered, Water Desalination/Decontamination

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Problems and Integrated SolutionsProblems and Integrated Solutions

Top 10 problems of Humanity for the next 50 yearsRichard Smalley (1943- 2005)

1. Energy2. Water3. Food4. Environment 5. Poverty 6. Terrorism & War7. Disease 8. Education9. Democracy10. Population

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The CLCA TeamThe CLCA Team

Prof. S. Ushak U. Antofagasta

Adam Atia Solar Water Desalination

Samet OzturkIntegrated LCA+RA

Pablo CassorlaSea-water Pumped Hydro

Julian Ricardo Microgrid LCA

Zhuoran Zhang PV Recycling LCA

Guilherme Miranda Pumped Hydro

Zhaoyu Kou PV Recycling

Selva Calixto Air Pollution Santiago Chile

Lizhang Xie CSP-Storage LCA

Cao Wei PV LCA

Ma XingjianBIPV LCA

Prof. Mario Gazeda U. Antofagasta

Prof. Rodrigo Palma U. Chile

Prof. L. CabezaU. Lleida

Dr. Marco Raugei Brooks Oxford U.

Thomas Nikolakakis World Bank; RE System Integration

Dr. Marc Perez INES

Dr. Rob van Haaren First Solar

Rebecca TrojanowskiNano PM Air Pollution

Keith BurrowsCardinal Glass; Optical Pyrolysis

PV Recycling

--------------------------------Collaborators------------------------------------

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Problems awaiting SolutionsProblems awaiting SolutionsNeed for integrated solutions on Energy-Water-EnvironmentEAEE can address bigger multi-faceted problems by strengthening linkages among faculty and among departments

• Lall & Gentine –Water Management/Modeling

• Modi –Microgrids, CSP-thermal storage LCA

• Yip & Durning –Membrane-based Water Desalination

• Somasundaran & Xi –Nanomaterials LCA

• Schlosser & Sachs –RE Solutions to Climate Change

• Themelis/Bourtsalas –WTE LCA

• Farrauto –Fuel-cell systems analysis

• Park –Solar-synthetic fuel LCA

• Yin –LCA of hybrid solar panels

• Culligan –Building LCA

• Deodatis –Integrated Risk and Life-Cycle Assessment

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today

What we do best

What is our vision for tomorrow

What areas are expected to grow