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A multi-function desalination system based on hydrolysis reaction of hydride and fuel cell water recovery
Energy Conversion and Management ( IF 10.4 ) Pub Date : 2021-09-17 , DOI: 10.1016/j.enconman.2021.114728
Jing Yao 1 , Leilei Guo 1 , Pengfei Zhu 1 , Fusheng Yang 1 , Hongli Yan 2 , Sandra Kurko 3 , Volodymyr A. Yartys 4 , Zaoxiao Zhang 1, 5 , Zhen Wu 1
Affiliation  

Desalination is an important method to take full advantage of the sea water to produce fresh water. However, the systems or devices reported previously still have the limitations in the energy supply and portability when used in some specific application scenarios, such as island and remote coastal area. In this paper, a multi-function desalination system is proposed, which could provide fresh water, electrical energy, and even the cold energy based on the hydrolysis reaction of hydride and fuel cell water recovery. Besides, the system could be modified to increase the flexibility of the system operation to satisfy the various energy demands under different conditions. A lumped parameter model of the proposed system is developed to evaluate the system performance. The results show that the fuel cell helps to increase the absolute humidity of the wet air by 15.5% and to increase the water production by condensing the wet air by 1.8 times compared with simple water harvest from the ambient environment. The modified system demonstrates more stable performance of the water production than the original desalination system, which means that the modified system is less affected by the parameter variation. The maximum water production of the kW level system could achieve 11.10 kg/h. Comparing with the previous reports, the unit power consumption of the modified system could reach the lowest level (about 880 Wh/kg), showing the promising water production performance of the system developed in this work.



中文翻译:

基于氢化物水解反应和燃料电池水回收的多功能脱盐系统

海水淡化是充分利用海水生产淡水的重要方法。然而,之前报道的系统或设备在一些特定的应用场景中,如岛屿和偏远的沿海地区,在能源供应和便携性方面仍然存在局限性。本文提出了一种基于氢化物水解反应和燃料电池水回收的多功能海水淡化系统,可以提供淡水、电能甚至冷能。此外,还可以对系统进行修改,以增加系统运行的灵活性,以满足不同条件下的各种能源需求。开发了所提出系统的集总参数模型来评估系统性能。结果表明,与简单从周围环境中收集水相比,燃料电池有助于将湿空气的绝对湿度提高 15.5%,并通过冷凝湿空气使产水量增加 1.8 倍。改进后的系统比原有的海水淡化系统表现出更稳定的产水性能,这意味着改进后的系统受参数变化的影响较小。千瓦级系统的最大产水量可达到11.10 kg/h。与之前的报道相比,改进后的系统的单位功耗可以达到最低水平(约 880 Wh/kg),表明本工作开发的系统具有良好的产水性能。与从周围环境中简单收集水相比,提高了 8 倍。改进后的系统比原有的海水淡化系统表现出更稳定的产水性能,这意味着改进后的系统受参数变化的影响较小。千瓦级系统的最大产水量可达到11.10 kg/h。与之前的报道相比,改进后的系统的单位功耗可以达到最低水平(约 880 Wh/kg),表明本工作开发的系统具有良好的产水性能。与从周围环境中简单收集水相比,提高了 8 倍。改进后的系统比原有的海水淡化系统表现出更稳定的产水性能,这意味着改进后的系统受参数变化的影响较小。千瓦级系统的最大产水量可达到11.10 kg/h。与之前的报道相比,改进后的系统的单位功耗可以达到最低水平(约 880 Wh/kg),表明本工作开发的系统具有良好的产水性能。千瓦级系统的最大产水量可达到11.10 kg/h。与之前的报道相比,改进后的系统的单位功耗可以达到最低水平(约 880 Wh/kg),表明本工作开发的系统具有良好的产水性能。千瓦级系统的最大产水量可达到11.10 kg/h。与之前的报道相比,改进后的系统的单位功耗可以达到最低水平(约 880 Wh/kg),表明本工作开发的系统具有良好的产水性能。

更新日期:2021-09-17
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