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首页> 外文期刊>South African Journal of Geology: Being the Transaction of the Geological Society of South African: Syndie die Verhandelinge van die Geologiese Vereniging van Suid-Afrika >Development of a Solar Desalination Plant
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Development of a Solar Desalination Plant

机译：太阳海水淡化厂的发展

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摘要

South Africa is predominantly a water scarce country with many parts having limited access to water. Water quality is an additional stressor affecting available water supply. In the semi-arid to arid regions of the country, significant salt loading in water resources occurs where anthropogenic influences can be excluded. Treatment of these water sources to potable levels involves desalination that requires large amounts of energy. Conventional grid electricity sources are not available in many rural areas in South Africa. Many rural communities that do not have reliable access to clean drinking water are situated in geographical areas where the annual solar radiation levels are high and where saline ground water sources are available. A limited number of studies have been conducted on renewable energy and desalination technology pairings in South Africa. The research method adopted was largely exploratory and focused on the development of an economically viable water desalination system utilizing renewable energy. The solar desalination system was designed with the aim of being affordable, durable, sustainable, and practicable and produces water which conforms to national health standards. The design is a solar-assisted distillation system that mimics the natural water cycle to produce clean water from brackish sources through a heat transfer system. The flow rate of the prototype compares favourably with other low volume solar desalination systems developed locally.
机译：南非主要是水资源稀缺的国家，有许多有限的水有限。水质是一种额外的压力，影响可用供水。在该国干旱地区的半干旱中，水资源中的显着盐负载发生，其中可以排除人为影响。将这些水源的处理与饮用水平涉及脱盐，这需要大量能量。南非的许多农村地区都没有传统的电网电源。许多没有可靠的清洁饮用水的农村社区位于地理区域，在年度太阳辐射水平高，盐水地水源可获得。在南非的可再生能源和海水淡化技术配对上进行了有限数量的研究。采用的研究方法在很大程度上是探索性的，并专注于利用可再生能源的经济上可行的水海水淡化系统的开发。太阳海水淡化系统的目的是经济实惠，耐用，可持续和可行的，并生产符合国家健康标准的水。该设计是一种太阳能辅助蒸馏系统，模仿天然水循环，通过传热系统从咸水中产生清洁水。原型的流速与本地开发的其他低批量太阳脱盐系统有利。

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