Abstract Drinking water supply through desalination processes based on reverse osmosis is a technology widely used in the Canary Islands due to its modular capacity and lower specific energy consumption compared to distillation technologies. The first energy recovery devices were based in centrifugal devices like the Francis Turbine. Later these devices were replaced by Pelton Turbines until the eighties when engineers developed positive-displacement devices called isobaric chambers for seawater reverse osmosis. Due to the importance of these devices in the reverse osmosis desalination process, this work analyzes, through several interviews and surveys, the main commercial isobaric chambers installed and their behavior based upon the experience of >50 years of the managers of several seawater reverse osmosis desalination plants, which are currently in operation in the Canary Islands. The purpose is to establish which of the energy recovery devices is the most suitable for installing in the future in medium and large capacity desalination plants. These results indicate the value of the factors studied: operational data, maintenance, troubleshooting and specific energy consumption of each device studied.

中文翻译：

---

加那利群岛海水淡化厂安装的能量回收装置的技术审查、评估和效率

摘要 通过基于反渗透的海水淡化过程供应饮用水是加那利群岛广泛使用的技术，因为与蒸馏技术相比，它具有模块化容量和更低的能耗。第一个能量回收设备基于离心设备，如弗朗西斯涡轮机。后来这些设备被佩尔顿涡轮机取代，直到 80 年代工程师开发出正排量设备，称为等压室海水反渗透。由于这些设备在反渗透海水淡化过程中的重要性，本工作根据几家海水反渗透海水淡化管理人员超过50年的经验，通过多次访谈和调查，分析了安装的主要商业等压室及其行为。植物，目前在加那利群岛运营。目的是确定哪种能量回收装置最适合将来安装在大中型海水淡化厂中。这些结果表明了所研究因素的价值：所研究的每个设备的运行数据、维护、故障排除和特定能耗。