Water quality medema

Enjeux de Qualité d’Eau Potable et Stratégies d’Innovation

Gertjan Medema

2

Drinking water quality

abestidea.com

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Trends and threats that water utilities have to deal with

Top 10 Trends•Climate change•Urbanization •Emerging technologies•Globalisation•Increased use of bottled water•Consumer involvement•Increase in energy costs•Increased efficiency •Emerging pollutants•Infrastructure deterioriation

EU FP6 TECHNEAU; WssTP

E-sessions.nl

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Emerging technologiesNanomaterials

Challenge…

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Emerging technologiesNanomaterials

…and solution

Nanorust for arsenic removal (NCES) Nanofibers for filtration

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Emerging technologiesFiber optics for asset management

Vertical displacement

Horizontal displacement

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Emerging technologiesFiber optics for asset management

8

Vertical displacement

Horizontal displacement

Emerging technologiesPressure sensors for asset management

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Emerging technologiesGIS

Criticality of valves in water supply

10

Emerging technologiesGIS

Temperature change in distribution network

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Emerging technologiesICT – GIS augmented reality

Water and sewerage piping and connections

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Emerging technologiesSocial media

Storm damage location of mains

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Emerging technologiesRemote sensing

Vegetation (changes) in catchment

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Emerging technologiesICT + sensor systems

15

Emerging technologies Analytical chemistry: accurate mass identification

5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.00Time0

100

%

1: TOF MS ES+ BPI935

x4 4.58

4.18

38.60

34.88

23.33

22.62

15.45

14.31

6.41

16.17

16.68

19.9417.07

17.4117.54

18.15

22.3022.20

28.27

24.48

26.65

28.99

34.09

33.39

35.69

36.59

49.7549.68

45.78

41.65

41.05 44.68

49.27

49.53

48.93

48.59

48.15

47.76

44.04

48.87

LC-Orbitrap MS

Identification of compund responsible for toxic response

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Emerging technologiesLife sciences: genetic modification

Stress Promotor

Stress response genes Bioluminescentie genes

Str

ess

Pro

mo

tor

Toxic

compound

BioluminescencegenesVibrio fischeri

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E. coli stress response –

bioluminescence

Immobilised on fiber optics

Emerging technologiesLife sciences + optics

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Molecular methodsqPCR, NASBA, fingerprints, AFLP, sequence

Nucleotide Substitutions (x100)0

14.4

2468101214

Deer (Februari 01 2007)Deer (June 09 2007)

Deer (August 15 2007)Deer (August 08 2007)Cow (May 30 2007)C. parvum (AB441687)

C. spp cervine genotype (EU827413)Sheep (Januari 31 2008)bSheep (November 16 2007)

C. spp cervine genotype (EU827374)Sheep (Januari 31 2008)

C. spp deer genotype (AY120910)Deer (Februari 20 2008)Deer (Februari 20 2008)b

C. ryanae (FJ463193)

C. bovis (HM002490)Deer (April 24 2007)

C. muris (AF093496)

Deer (March 17 2008)Eimeria tenella (AF026388)

Nucleotide Substitutions (x100)0

14.4

2468101214

Deer (Februari 01 2007)Deer (June 09 2007)

Deer (August 15 2007)Deer (August 08 2007)Cow (May 30 2007)C. parvum (AB441687)

C. spp cervine genotype (EU827413)Sheep (Januari 31 2008)bSheep (November 16 2007)

C. spp cervine genotype (EU827374)Sheep (Januari 31 2008)

C. spp deer genotype (AY120910)Deer (Februari 20 2008)Deer (Februari 20 2008)b

C. ryanae (FJ463193)

C. bovis (HM002490)Deer (April 24 2007)

C. muris (AF093496)

Deer (March 17 2008)Eimeria tenella (AF026388)

Forensics: tracing contamination sources

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Emerging technologiesOptics, ICT and life sciences

BioCOM (ANR): Rapid on-site E. coli detection system- Fluorogenic substrate technique- Very sensitive optical detection

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E.coli and coliforms

E. coli and coliforms,7 hrs growth30 min incubation

1: white = colocalization: E. coli2: green = coliform

colony shapecoliform or E. coli?

1

2

2 mm

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CryptosporidiumAutomatic counting

ImageJ Ecoli analysis pluginMax size 10, Min circularity 0.75Threshold Otsu, BG correct original

2 mm

Manual countingMicroscope: 105Camera: 104

Automatic (software): 96

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2 μm

Increased specificityCombination of immunology and genetic methods

ImmunofluorescenceIF

Fluorescence in situ hybridisationFISH

IF + FISH

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Innovation strategyCombination of new technologies

Life, sensor, ICT, smartgrid, remote control sciences

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Innovation strategyCombination of new technologies

Life, sensor, ICT, smartgrid, remote control sciences

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Innovation strategyCombination of new technologies

Life, sensor, ICT, smartgrid, remote control sciences

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Innovation strategyCombination of new technologies

Life, sensor, ICT, smartgrid, remote control sciences

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Innovation for healthy, sustainable and efficient water

Health Sustainability

Efficiency Advance

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Acknowledgements

BTO Joint Research programme, Netherlands• Program committee Microbiology

BIO-COM: ANR and related consortium• Ilan Juran, Erich Shaw (W-Smart, France, USA)• Jean Claude Robin (BIOCOM)• Regis Colla (Lheritier, France)• Philippe Jacques, Angélique Cocaign (ProBiogem, Uni Lille, France)• Bruno Nguyen et al. (Eau de Paris, France)