Water and Energy - Draft Report of the GWRC Research ... - IWA

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1.2.3 The Workshop The program of the workshop is given in appendix B. The first part of day one of the workshop was dedicated to the review of the current state of the knowledge. After the overall introduction of the Water and Energy playfield, the links to Climate Change and the options for Energy and Resource Recovery by invited speakers, GWRC member’ representatives provided presentations on their available knowledge and research activities. The overview of the presentations of the workshop is given in appendix D. The presentations are available in a separate document and at the member section at the GWRC website. The overall gaps of knowledge and research needs were discussed and identified by the workshop participants in three breakout groups and subsequently summarized and clustered in a plenary session. On the second day, new breakout groups were constituted to identify the research priorities and develop project proposals around three overarching themes resulting from day one. Project proposals were plenary presented and discussed, and a first prioritisation and survey of member interest to support the projects was made. As result a charcoal sketch of an overall research strategy was made. The feedback by the participants of the workshop was overall very positive and included suggestions for further improvement of the GWRC processes. GWRC Water & Energy - Draft report 8
2. Knowledge gaps and research needs In today’s world, water and energy are tightly linked. The availability of adequate water supplies has a profound impact on the availability of energy, while the energy production and power generation activities affect the availability and quality of water. Energy is needed for the production and distribution of drinking water as well as the collection and treatment of wastewater: the urban water cycle. And water is essential for the generation of energy including hydropower and as cooling water in power plants. Both water and energy are confronted with a growing demand, limitation of resources, the impact of climate change and the development towards a more sustainable society. The scope of this workshop was limited to the energy aspects of the urban water cycle with focus on the water supply, sanitation and wastewater treatment (see figure 1) and the options for an energy efficient design and operation. Atmospheric Atmospheric water water vapor vapor Precipitation Precipitation Surface Surface water water Ground Ground water water Irrigation Irrigation GWRC Water & Energy - Draft report Municipal Municipal use use Water Water treatment treatment Ground Ground water water Ground Ground water water recharge recharge Figure 1. Schematic picture of the urban water cycle. surface surface water water Potable Potable reuse reuse Industrial Industrial water water use use Waste Waste water water reclamation/reuse reclamation/reuse Water demand for energy production as well the energy aspects of the use of supplied water by customers was only indirectly addressed during the discussions. The main focus was on those aspects which can directly be controlled by the water and wastewater industry itself. However, it should be realised that the energy consumption by the end user (consumer) of water significantly exceed the energy used in the urban water cycle itself. Hence, water conservation by the consumer will result in a substantial decrease of energy use. Water conservation has a threefold effect on the energy use: - less energy needed for the production and distribution of drinking water - less energy use by the consumer (i.e. heating) - less energy needed for the collection and treatment of wastewater. 9
Page 1 and 2: Global Water Research Coalition All
Page 3 and 4: Disclaimer This study was jointly f
Page 5 and 6: GWRC Water & Energy - Draft report
Page 7: 1. Introduction 1.1 Background Over
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Page 15 and 16: achieve the above worded objectives
Page 17 and 18: 4 Conclusion and follow up The main
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Organisation: STOWA - Foundation fo
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Organisation: UKWIR Contact person:
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Organisation: WERF Contact person:
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Organisation: WSAA & CRC WQT Contac
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The most significant future energy
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