1

4 divisions: No. 1 operator worldwide

No.1 operator worldwide

No. 1 private operator

No. 1 in Europe for energy services

Veolia Environnement

Global leader in environmental solutions

2

Revenue per division

% of 2009 revenue : 34551 Million Euros

36,3

26,2

20,5

17 Water

Waste

Energy

transportation

3

Key figures:

157 years of serving the environment 2009 revenue: €34.6 billion Operations in 72 countries around

the world 336,000 employees worldwide €140 million invested in research 450 researchers with 450 field developers

Veolia Environnement

Development of advanced solutions to meet future water

challenges

Dr Jean-Christophe Schrotter

Membrane R&D Director

5

Advanced solutions : The outline

Background Water treatment cycle Solutions to solve water scarcity issues

Where are we now ? examples of current water treatment

plants

What to expect for the future ? examples of revolutionary processes

8

surface

ground

Other

Irrigation

Drinking water

Common use

Industry

Wastewatertreatment

Drinking waterplant

Brackish or Sawater

desalination

Water treatment cycle

Reusewater

Reuse treatment

9

Water Reuse and Desalination Growth (m3/d)

Ref : Global water market 2008, GWI

Desalination and Waste water reuse Plants

Veolia referencesMore than 150 reuse plants (>3.2M m3/d)Hundred desal plants (10M m3/d). More than 15% of the world’s desal installed capacity.

11

Membranes : a Great Evolution !

Membrane: key enabling technology for desalination, reuse

treatment process that needs to deliver higher quality product waters

from lower quality feed waters.

12

Microscopic view of a membrane surface

Membrane pore diameter 0.2 m

Cryptosporidium : 3 à 6 m

13

Pollutant removal by membrane processes

ReverseOsmosis

Nano-filtration

Ultra-filtration

Micro-filtration

0,0001m

0,001m

0,01m

0,1m

1m

10m

100 m

.

Membrane pores diameters

Strepto1 m

Pseudomonas Diminuta0,28 m

Influenza Virus0,1 m

Pesticides0,007 m

Sodium 0,00037 m

water

0,0002

m

Giardia Lamblia and

Cryptosporidium 3 à 6 m

Increasing energy demand

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Advanced solutions : The outline

Background Water treatment cycle Solutions to solve water scarcity issues

Where are we now ? examples of current water treatment

plants

What to expect for the future ? examples of revolutionary processes

Desalination and Waste water reuse Plants

Gold Coast Desalination Plant 125 000 m3/din operation since 2009

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Inlet Pumping Station

Flocculation / Dual Media

Filters

Cartridge Filters

RO 2 – stage 1

Post TreatmentDrinking Water

storage

Offshore Pipe

ShockChlorination

13 ppm as Fe2(SO4)3

Booster

Pumps

1st RO PassHP Pumps

Network

Final Disinfection

RO 1

2nd Pass ROHP Pumps

Sodium Bisulphite

1.7 ppm antiscalant

0.1 ppm polymerNaOH (pH = 10)

RO 2 – stage 2

2 ppm antiscalant

Overall Plant train

Lime Water & CO2

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Western Corridor Water treatment Project

235,000 m3/d for industrial reuse (Power station, steel and paper plants) Household irrigation and indirect potable reuse being considered

Treated water quality <250 mg/l TDS <1.2 mg/l N total <0.15 mg/l P total

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AWTP ProcessPretreatmentPretreatment

Wastewater Treatment Plant

Ammonium Sulphate,Sodium Hypochlorite,

Coagulant, Caustic Soda,Sulphuric Acid

Clarifier(Pretreatment)

RAW WATER TANK

RO Feed Tank

CIP

MF Cleaning ChemicalsMF Cleaning Chemicals

Air BlowersAir Blowers

Antiscalant, Sodium Bisulphite,Sulphuric Acid

Stage 2Stage 2

PermeatePermeate

Stage 1Stage 1 Stage 3Stage 3

CIP

RO Cleaning ChemicalsRO Cleaning Chemicals

Méthanol

ROC ClarifierROC Clarifier

CoagulantCoagulant

Receiving Body

ROC ROC Denitrification Denitrification

FiltersFilters

ROCROC Nitrification ROC Nitrification

TankTank

Solids

UV LightUV Light

Hydrogen PeroxideHydrogen PeroxideLimeLime COCO22

HypochloriteHypochlorite

StabilizationStabilization

PRWPRWTreated Water TankTreated Water Tank

Power Stations

Discharge

Gravity ThickenerGravity ThickenerDewatering CentrifugesDewatering Centrifuges

ROC treatmentROC treatment

MicrofiltrationMicrofiltration

Reverse OsmosisReverse Osmosis

AdvancedAdvancedOxidationOxidation

Solids treatmentSolids treatment

Dam

PretreatmentPretreatmentWastewater

Treatment Plant

Ammonium Sulphate,Sodium Hypochlorite,

Coagulant, Caustic Soda,Sulphuric Acid

Clarifier(Pretreatment)

Clarifier(Pretreatment)

RAW WATER TANK

RO Feed Tank

CIP

MF Cleaning ChemicalsMF Cleaning Chemicals

CIP

MF Cleaning ChemicalsMF Cleaning Chemicals

Air BlowersAir Blowers

Antiscalant, Sodium Bisulphite,Sulphuric Acid

Stage 2Stage 2

PermeatePermeate

Stage 1Stage 1 Stage 3Stage 3

CIP

RO Cleaning ChemicalsRO Cleaning Chemicals

Méthanol

ROC ClarifierROC Clarifier

CoagulantCoagulant

Receiving Body

ROC ROC Denitrification Denitrification

FiltersFilters

ROCROCROC Nitrification ROC Nitrification

TankTank

SolidsSolids

UV LightUV Light

Hydrogen PeroxideHydrogen PeroxideLimeLime COCO22

HypochloriteHypochlorite

StabilizationStabilization

PRWPRWTreated Water TankTreated Water Tank

PRWPRWTreated Water TankTreated Water Tank

Power Stations

Discharge

Gravity ThickenerGravity ThickenerDewatering CentrifugesDewatering Centrifuges

ROC treatmentROC treatment

MicrofiltrationMicrofiltration

Reverse OsmosisReverse Osmosis

AdvancedAdvancedOxidationOxidation

Solids treatmentSolids treatment

Dam

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Treated Water Quality - Micropollutants

About 200 parameters twice a week

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molecules Nature detection limit ng/L feed RO post RO post UV+peroxydehydrocodone analgesic 1 80 <1 <1Trimethoprime antibiotic 1 384 2,95 <1acetaminophene analgesic 10 <10 <10 <10Caffeine - 10 <10 <10 <10Erythromycine antibiotic 1 298 <1 <1Sulfamethoxazole antibiotic 1 892 2,9 <1Fluoxethine antidepressant 1 33 <1 <1Pentoxifylline vasodilator 1 12 <1 <1Meprobamate anxiolytic 1 292 1,5 <1Dilantine antiepileptic 1 144 <1 <1TCEP chelatant 10 272 <10 <10Carbamazepine antiepileptic 1 279 2,4 <1DEET pesticide 5 293 <5 <5Atrazine pesticide 1 1 <1 <1Diazepame anxiolytic 1 1 <1 <1Oxybenzone pesticide 5 21 <5 <5Estriol steroid 5 14 <5 <5Ethinylestradiol steroid 1 <1 <1 <1Estrone steroid 1 101 <1 <1Estradiol steroid 1 18 <1 <1Testoterone steroid 1 <1 <1 <1Progesterone steroid 1 <1 <1 <1Androstenedione steroid 1 5 <1 <1Iopromide antineoplastic 1 632 1,4 <1Naproxene painkiller 1 255 1,2 <1Ibuprofene painkiller 1 79 <1 <1diclofenac painkiller 1 89 <1 <1Triclosan preservative 1 324 3,4 <1Gemfibrozil 1 1022 1,3 <1

concentrations in ng/L at different steps

antihyperlipidemic

Micropolluant removal with MF/RO/H2O2+UV by Samer Adham –MWH- AWA membranes Conference II, 21-23 Feb 2007, Melbourne Australia).

atherosclerosis.

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ConcentrateConcentrate

Waste treatment

SimplicitySimplicity

•No reaction •No by-products

•“Limited chemicals”

Product quantityProduct quantity

Fouling

Advantages Advantages Membrane for desal Membrane for desal

and Reuse applicationand Reuse applicationDisadvantagesDisadvantages

intensive intensive

energetically and operationally

FlexibilityFlexibility

Modular design

Product QualityProduct Quality

•Selective removal of Pollutants according to needs

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Membrane treatment plant

Raw water in water resource

Intake pumping

Liquid effluents

Potable water delivered to

users

Disinfection DistributionClarification Filtration Membraneprocesses

Sludge treatment

Liquid effluents

Electricity, heatchemicals, spare

parts

Electricity,chemicals

Electricity, chemicalsElectricity Electricity

Electricity, chemicals

Liquid effluents

Electricity

Water treatment

Complex process train are currently used to minimize membrane fouling►Chemically, energetically and operationally intensive

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Advanced solutions : The outline

Background Water treatment cycle Solutions to solve water scarcity issues

Where are we now ? examples of current water treatment

plants

What to expect for the future ? examples of revolutionary processes

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Water transport in nature : aquaporins

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Unique Selling Points

Absolute Pure Water ~ 100%

( ~ 99.999995 % salt rejection, being approx. 10.000 times better than today’s best reverse osmosis membranes have ever shown)

Reduced energy costs by ~ 80%

( ~ Estimated 5 x energy reduction; or 5 x increase in water flux rate)

10. april 2023 28

http://nobelprize.org/nobel_prizes/chemistry/laureates/2003/chemanim1.mpg

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|------ ~10 nm-------|

EU projects

www.nano4water.eu : Membaq project

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NanoH2O company : incorporating nanoparticle in polymer matrix

Higher flux, fouling resistance membrane

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Water Price trends ($/m3)5.6 Water price trends in the desalination market ($/m3)5.6 Water price trends in the desalination market ($/m3)

Ref : Global water market 2008, GWI

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Conclusion

Desalination and reuse with membrane is a reality

Water quality meets stringent regulations Barriers operating up to expectations

reliable, safe and secure technologyFutures Challenges1. Improve operations of current treatment trains

Reduce energy, chemicals demand Water quality: monitoring, regulations Environmental impact: RO Concentrate

2. Disruptive technologies : aquaporins, CNT, …