Production of Water from the Air: The Environmental Sustainability of Air-conditioning Systems through a More Intelligent Use of Resources. The Advantages of an Integrated System☆
Production of Water from the Air: The Environmental Sustainability of Air-conditioning Systems through a More Intelligent Use of Resources. The Advantages of an Integrated System☆
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DOI：
10.1016/j.egypro.2015.11.081
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发表时间：
2015-11
期刊：
影响因子：
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通讯作者：
A. Magrini;Lucia Cattani;M. Cartesegna;L. Magnani
中科院分区：
文献类型：
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作者：
A. Magrini;Lucia Cattani;M. Cartesegna;L. Magnani
最近研究了从空气中取水的可能性，特别是为了在暂时无法获得饮用水的紧急情况或特殊事件中生产水。已经设计了几种移动的/可运输的设备，以便从空气中生产水：必要时可以将它们放置在需要水的适当地点。水提取可以通过不同的技术来完成，其中一种技术是将水冷却到露点以下，以使空气中的蒸汽成分冷凝。通常在标准条件下计算的系统效率，应在使用该系统的气候条件下进行测试，因为水的产生量随温度和空气水蒸气含量的变化而变化很大。一个有趣的解决方案可能是一种用于水提取的设备，其同时使用冷却空气进行制冷，其包括用于水生产和空气调节双重目的的组合HVAC系统。本文以亚热带干旱地区某酒店的空调系统为例，说明了该方案的优越性。为此目的，比较了典型的HVAC系统和集成空调系统，优化了从空气中生产水，以突出第二个的优点和能力。
The possibility of extracting water from air is an activity that has been studied recently, especially with the purpose of producing it for emergencies or exceptional events, when drinking water is not temporarily available. Several mobile/transportable equipment have been designed in order to producing water from the air: they can be placed, if necessary, in appropriate locations where water is needed. Water extraction can be done with different technologies, one of which is represented by cooling water below the dew point, to cause condensation of the vapour content of the air. The system efficiency, normally calculated in standard conditions, should be tested in the climatic conditions in which it will be used, because water production varies significantly with temperature and air water vapour content. An interesting solution may be an equipment for water extraction that contemporarily uses the cooled air for refrigeration, which consists in a combined HVAC system for the dual purpose of water production and air-conditioning. A case study represented by this kind of HVAC system, for a hotel in a sub-tropical arid climate, is proposed in this paper, to demonstrate the advantages of this solution. To this aim, the comparison is made between a typical HVAC system and an integrated air conditioning system, optimized for water production from air, in order to highlight advantages and capabilities of the second one.