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Performance and cost comparison of different concentrated solar power plants integrated with direct-contact membrane distillation system

机译：不同集中太阳能发电厂与直接接触膜蒸馏系统集成的性能和成本比较

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摘要

Recently, research on integrated power and desalination plants has been increased due to increasing energy demand, freshwater scarcity, and environmental concerns. In the current study, performance and cost comparison of different configurations of concentrated solar power (CSP) plants integrated with direct-contact membrane distillation (DCMD) system has been investigated. The analysis of CSP plants was performed for 80 MWe with 12 h of thermal storage. The CSP plant comprised of an evaporative cooling system that used seawater as a cooling medium, and seawater exited from the condenser was fed into the DCMD system for freshwater production. The simulation results showed that an increase in irradiance increased electricity production. However, the maximum electricity production (353.87 GWh) and the highest capacity factor (56.1%) were achieved for the solar power tower (SPT) plant. On the contrary, levelized cost of energy was lowest (4.51 cents/kWh) for the parabolic-trough (PT) plant. For the DCMD system, an increase in feed water temperature exponentially increased the permeate flux. The simulation results disclosed that the maximum freshwater production (38.9 m(3)/day) was achieved for PT plant integrated with the DCMD system. Finally, water production cost was found to be the lowest (0.314 USD/m(3)) for the SPT plant integrated with the DCMD system.
机译：最近，由于增加的能源需求，淡水稀缺和环境问题，对综合电力和海水淡化厂的研究已经增加。在目前的研究中，研究了集中于直接接触膜蒸馏（DCMD）系统的集中太阳能（CSP）植物的不同配置的性能和成本比较。 CSP植物的分析为80 MWE，具有12小时的热储存。由蒸发冷却系统组成的CSP厂，用海水作为冷却介质，并从冷凝器退出的海水进入DCMD系统进行淡水生产。仿真结果表明，辐照度增加增加了电力生产。然而，对于太阳能塔（SPT）植物，实现了最大电力生产（353.87 GWH）和最高容量因数（56.1％）。相反，抛物面 - 槽（PT）植物的能量均衡成本最低（4.51美分/千瓦时）。对于DCMD系统，饲料水温的增加指数增加了渗透磁通量。仿真结果公开说，对于与DCMD系统集成的PT植物，实现了最大淡水产量（38.9米（3）/天）。最后，水生产成本是与DCMD系统集成的SPT工厂的最低（0.314美元/ m（3））。

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