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- Water-Energy Nexus: Review of Literature in Management of Integrated Systems, Challenges and Opportunities. Case Study in Urban ContextPublication . Silva, Ana Rita Carriço; Santos, Fernando Charrua; Espírito Santo, António; Páscoa, J. C.; Fael, Cristina Maria SenaIn a society where Energy and Water walk side by side in practically all sectors of activity, it becomes necessary to analyze them from a productive, economic and sustainable point of view. From the extraction of mines and wells, to its treatment and transportation, and to the cooling systems of energy production, and despite being independently developed, managed and regulated, it is known that water needs energy and energy needs water. All these concerns, decision-making and the relationship between water and energy by itself create an opportunity to improve management in both sectors. There is an urgent need to consider all the assumptions and alternatives to improve the system and reduce energy consumption, which includes technological modifications and optimized resources management, leading to a more sustainable future. The increasing demand for energy and its exponential trend will have repercussions at all levels and will consequently increase the strain on freshwater resources with the most affected agricultural and industrial sectors. By improving the efficiency of water and energy use, there are positive repercussions that allow for substantial savings, especially where there is a lack of such resources. This article aims to address all these crucial issues related to energy and water in order to increase knowledge on the subject and to help promote alternatives for managing and developing integrated management systems and, consequently, for a rational use of both resources and a more sustainable future.
- Development of the Concept vs Prototyping: Implementation of a real scale Water-Energy Integrated SystemPublication . Silva, Ana Rita; Santos, Fernando Charrua; Espírito Santo, António; Páscoa, J. C.; Fael, Cristina Maria SenaCurrently, the concept of smart cities and renewable energy are more consolidated and developed. With each passing day, new technological advances are emerging within both themes. At the same time, the water sector has becoming increasingly demanding in terms of quality and compliance with all existing legislation. That said, it is understandable that both sectors and their management entities come together in search of more sustainable operations that go against the reduction of greenhouse gas emissions, decentralization of energy production and the improvement of efficiency, quality and use of resources. It is important to understand the synergies between water and energy to contradict what has been said so far about the increasing demand for energy, its exponential trend and the negative repercussions on freshwater resources. As such, this article aims to address the interconnection between both sectors to promote alternative scientific and technological improvements to the management and development of Integrated Water-Energy systems, while studying the dynamics between the theoretical development of the problem and the challenges of prototyping of such complex systems in real and urban context.