Stirling engine powered reverse osmosis for brackish water desalination to utilize moderate temperature heat
Stirling engine powered reverse osmosis for brackish water desalination to utilize moderate temperature heat
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斯特林发动机驱动的反渗透用于苦咸水淡化，以利用中等温度的热量
DOI：
10.1016/j.energy.2018.09.125
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发表时间：
2018
期刊：
影响因子：
9
通讯作者：
Wei Liu
中科院分区：
文献类型：
--
作者：
Xiaotian Lai;Rui Long;Zhichun Liu;Wei Liu
提出了一种由反渗透(RO)和斯特林发动机(SE)组成的混合系统来利用中温热进行微咸水淡化。对两种结构的性能进行了系统的研究。配置。II使用ERD(能量回收装置)收集出口进料液中的残压能量，用于进料液的预加压。我不知道。研究了SE加热器内物质温度和反渗透压差对淡水回收能力和能耗的影响。结果表明，Config.I的回收率最高，为17.3%；在能耗方面，Configo的单位能耗最低，为2.5kW·h/m3，单位热能消耗为35.9MJ/m3。II，这比在配置中获得的结果要有效得多。此外，还对理想和非理想SE模型下的性能进行了比较。
A hybrid system consisting of RO (reverse osmosis) and SE (Stirling engine) was proposed to utilize the moderate temperature heat for the brackish water desalination. The performance of two configurations was systematically investigated. Config. II employs ERD (energy recovery device) to harvest the residual pressure energy in outlet feed solution for the pre-pressurization of inlet feed solution while Config. I does not. Impacts of substance temperature in the SE heater and RO hydraulic pressure difference on the fresh water recovery ability and energy consumption were investigated. Results indicated that Config. I presents the highest recovery rate of 17.3% while Config. II gets the largest fresh water production of 34.2 L/h. As to the energy consumption, a lowest specific energy consumption of 2.5 kW· h/m 3 and specific thermal energy consumption of 35.9 MJ/m 3 were achieved in Config. II, which exhibits much more effectively compared to those obtained in Config. I. Furthermore, the performance comparison under the ideal and non-ideal SE models was also conducted.