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Reverse osmosis powered by concentrating solar power (CSP): A case study for Trapani, Sicily

机译:以聚光太阳能(CSP)为动力的反渗透:以西西里岛特拉帕尼为例

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The objective of this paper is to analyze the physical performance of two technologies in a water and electricity co-generation scheme: concentrated solar power (CSP) plant coupled to a reverse osmosis (RO) unit for a location in the city of Trapani, in southern Italy. The CSP+RO system is also compared with a multi-effect desalination (MED) unit powered by a CSP plant in the same location in Italy, adapting a model developed in a previous study [2]. The location of Trapani is used as it allows the comparison of the simulation results with an existing stand-alone gas powered commercial MED plant located at Trapani [3] (which has operated until very recently). This work was conducted using as the main simulation tools: the system advisor model (SAM) developed by the US National Renewable Energy Laboratory (NREL); a recent upgrade to SAM made available to this work through the Portuguese Laboratorio Nacional de Energia e Geologia I.P. (LNEG); and the reverse osmosis system analysis (ROSA) developed by the Dow Chemical Company. A technical visit to a real commercial RO plant in the south of Portugal (Alvor) was conducted, and the data gathered was used in the validation of the ROSA model. The results for the Trapani case study show that the CSP-RO arrangement has the capability to produce similar to 46% of the total production of the full scale plant at Trapani, if operated at nominal capacity, year round. Also, the CSP-RO system provides similar to 14% more water and similar to 20% more electricity than the CSP-MED system throughout the studied period of one year. The two co-generation schemes provide promising potential to fight the issues related to fresh water shortages and dependency on fossil fueled desalination. Thus, they can aid in decreasing the effects associated with CO2 emissions and climate change.
机译:本文的目的是分析水电联产计划中的两种技术的物理性能:位于特拉帕尼市的集中太阳能发电(CSP)电厂与反渗透(RO)机组结合使用。意大利南部。 CSP + RO系统还与意大利同一地点的CSP工厂提供动力的多效脱盐(MED)装置进行了比较,采用了先前研究中开发的模型[2]。使用Trapani的位置是因为它可以将仿真结果与位于Trapani [3](一直运行到最近)的现有独立式燃气商业MED工厂进行比较。这项工作是使用以下主要仿真工具进行的:美国国家可再生能源实验室(NREL)开发的系统顾问模型(SAM);最近通过葡萄牙国家能源地理实验室I.P.对SAM进行了升级。 (LNEG);以及陶氏化学公司开发的反渗透系统分析(ROSA)。对葡萄牙南部(Alvor)的一家真正的商业反渗透工厂进行了技术访问,并将收集到的数据用于ROSA模型的验证。特拉帕尼案例研究的结果表明,如果常年正常运行,CSP-RO装置的产能将达到特拉帕尼全规模工厂总产量的46%。而且,在整个研究的一年中,CSP-RO系统提供的水比CSP-MED系统多出14%,而电力多出20%。这两个热电联产方案为解决与淡水短缺和对化石燃料淡化的依赖有关的问题提供了有希望的潜力。因此,它们可以帮助减少与二氧化碳排放和气候变化有关的影响。

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