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Advances in desalination technology

机译：海水淡化技术的进步

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Seawater desalination has been the cornerstone of the Middle East's water supply strategy since the mid-1950s, and most of the installed desalination capacity is still provided by multistage flash evaporators. But, desalination is changing. In fact, the term 'desalination' is no longer limited to seawater applications; desalination technologies are now routinely employed to desalinate brackish groundwater and repurify municipal effluents. Recent advances in desalination technology have simultaneously reduced costs while dramatically improving performance and reliability to the point where desalination technologies now compete with 'conventional' treatment processes in many applications. New commercial strategies and a realisation of the economies-of-scale have led to further improvements in plant economics, and an increase in the size of plants now being developed and constructed. This presentation reviews advances in membrane and membrane pretreatment systems, energy recovery devices, materials of construction, hybrid process configurations, increased unit capacities, and the use of public-private partnerships; all of which have led to reduced capital and operating costs, enabling desalination to be economically competitive with traditional treatment options. Advances in desalination technology have resulted in better performances, lower capital and operating costs, and increased application of desalination systems. In the face of increased water shortages and growing costs of 'conventional treatment', this trend will certainly continue.
机译：自1950年代中期以来，海水淡化一直是中东供水战略的基石，大部分已安装的淡化能力仍由多级闪蒸器提供。但是，海水淡化正在发生变化。实际上，“海水淡化”一词不再局限于海水应用。现在，通常采用淡化技术来淡化微咸的地下水并净化市政污水。海水淡化技术的最新进展同时降低了成本，同时显着提高了性能和可靠性，以至于目前海水淡化技术可与许多应用中的“常规”处理工艺竞争。新的商业策略和规模经济的实现，导致了工厂经济的进一步改善，并且目前正在开发和建造的工厂规模也有所增加。本演讲回顾了膜和膜预处理系统，能量回收装置，结构材料，混合工艺配置，增加的装置产能以及使用公私伙伴关系方面的进展；所有这些都降低了资本和运营成本，使海水淡化与传统处理方法在经济上具有竞争力。海水淡化技术的进步导致了更好的性能，更低的资金和运营成本，以及增加了海水淡化系统的应用。面对日益严重的水短缺和“常规治疗”成本增加的情况，这种趋势肯定会持续下去。

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