1.4 Webber PDF.pdf

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Water/Wastewater Collection, Production,Treatment and Distribution Requires EnergyWaterWastewaterSource/Treatment TypeEnergy [kWh/Mgal]Surface Water 1,400Groundwater 1,800Brackish Groundwater 3,900-9,750Seawater 9,780-16,500Trickling Filter 955Activated Sludge 1,300Advanced Treatment w/o Nitrification 1,500Advanced Treatment w/ Nitrification 1,900[Source: Stillwell, 2009]Michael E. <strong>Webber</strong>, Ph.D.Energy and Water 20March 5, 2011
We Use Water From a Variety of Sources For aVariety of Purposes With a Variety of EnergyRequirementsSource: Twomey (2011), CEC (2005)Michael E. <strong>Webber</strong>, Ph.D.Energy and Water 21March 5, 2011
Page 1 and 2: The Nexus of Energy & WaterAPS, Ber
Page 3 and 4: Control of Water Is Related to Econ
Page 5 and 6: Sustained Droughts Are Correlated w
Page 7 and 8: The Energy-Water Nexus: Can we solv
Page 9 and 10: The Hydrological Cycle is Global•
Page 11 and 12: There Are Four Main Points to Remem
Page 13 and 14: Energy and Water are InterrelatedSo
Page 15 and 16: There Are Two Main Cooling Approach
Page 17 and 18: The Thermoelectric Power Sector is
Page 19: The Water Sector Uses a Lot of Ener
Page 23 and 24: The Energy-Water Relationship Is Al
Page 25 and 26: Las Vegas Running Out of Water Mean
Page 27 and 28: Trends Imply That Strain in the Ene
Page 29 and 30: We Are Moving Towards More Water-In
Page 31 and 32: There Are Some Solutions Being Deve
Page 33 and 34: Example of Disaggregated Energy and
Page 35 and 36: Timescales Do Not Match for Energy
Page 37 and 38: There Are Energy/Water Policy Tools
Page 39 and 40: Good news: energy conservation and

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