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Water - Energy

Water - Energy. Arjen Hoekstra Professor in Water Management – University of Twente – the Netherlands Scientific Director – Water Footprint Network. www.waterfootprint.org. Water-energy. The water sector is becoming more energy-intensive. desalination pumping deeper groundwater

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Water - Energy

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  1. Water - Energy Arjen Hoekstra Professor in Water Management – University of Twente – the Netherlands Scientific Director – Water Footprint Network www.waterfootprint.org

  2. Water-energy The water sector is becoming more energy-intensive. desalination pumping deeper groundwater large-scale (inter-basin) water transfers The energy sector is becoming more water-intensive. biomass

  3. Water footprint of energy [Gerbens-Leenes, Hoekstra & Van der Meer, 2008]

  4. Energy from biomass [Gerbens-Leenes, Hoekstra & Van der Meer, 2008]

  5. Energy from biomass [Gerbens-Leenes, Hoekstra & Van der Meer, 2008]

  6. Production-chain bio-energy ELECTRICITY BIOMASS HEAT RESIDUE CROP YIELD RESIDUE EXTRACTIONYIELD ETHANOL BIODIESEL [Gerbens-Leenes, Hoekstra & Van der Meer, 2008]

  7. Water footprint ofbiomass energy

  8. Global average water footprint of biofuels from different crops m3/GJ [Gerbens-Leenes, Hoekstra & Van der Meer, 2008]

  9. Water footprint of biofuels from different crops [litre/litre] [Gerbens-Leenes, Hoekstra & Van der Meer, 2008]

  10. Conclusions WF of bio-energy >> WF of other forms of energy WF bio-heat or electricity < WF biofuels WF bio-ethanol < WF biodiesel Sugarbeet most water-efficient energy crop Large country differences

  11. Slide layout • Background rgb = 13 / 46 / 93 • Light bue: rgb = 163 / 216 / 234

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