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ENCIT 2020
18th Brazilian Congress of Thermal Sciences and Engineering
INTEGRATING CONCENTRATED SOLAR POWER WITH DESALINATION: MODELING AND THERMODYNAMIC ANALYSIS
Submission Author:
Vítor Silva Medeiros , GO
Co-Authors:
Vítor Silva Medeiros, Solidônio Carvalho, Valério Luiz Borges
Presenter: Vítor Silva Medeiros
doi://10.26678/ABCM.ENCIT2020.CIT20-0656
Abstract
The availability of freshwater worldwide is likely to decrease while the demand increase, due in part to climate change. Countries that can afford it have increasingly turned to desalination, an extremely energy intensive process that extracts salt from seawater. Fortunately, most arid regions generally reside in regions of very solar insolation (most in the Mediterranean Sea or Middle East). Integrating Concentrating Solar Power (CSP) and desalination technologies is one way to produce simultaneously potable water and energy, besides offset many of negative impacts of running desalination plants. The model developed in the context of this work is suitable for use in optimization of water and power cogeneration systems. In particular a Multi-Effect Distillation (MED) system was modeled in a modular method and solved with an equation-oriented solver. Moreover, a simplified Rankine cycle was designed and integrated with the desalination plant. Data from other MED models using a thermal vapor compressor (TVC) was used for comparison and development of the models. The results show that these tools are a useful addition to a cogeneration system optimization process.
Keywords
Model, desalination, CSP, MED, cogeneration
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