Water Science and Technology; Aquatic Science; Geography, Planning and Development; Biochemistry
Abstract :
[en] Multi-effect distillation with thermal vapor compression (MED-TVC) is a highly energy-efficient desalination technology that can provide a reliable and sustainable source of high-quality water, particularly in areas with limited energy infrastructure and water resources. In this study, a numerical model based on exergoeconomic approach is developed to analyze the economic performance of a MED-TVC system for seawater desalination. A parallel/cross feed configuration is considered because of its high energy efficiency. In addition, a parametric study is performed to evaluate the effects of some operational parameters on the total water price, such as the top brine temperature, seawater temperature, motive steam flow rate, and number of effects. The obtained results indicate that the total water price is in the range of 1.73 USD/m3 for a distilled water production of 55.20 kg/s. Furthermore, the exergy destructions in the effects account for 45.8% of the total exergy destruction. The MED effects are also identified to be the most relevant component from an exergoeconomic viewpoint. Careful attention should be paid to these components. Of the total cost associated with the effects, 75.1% is due to its high thermodynamic inefficiency. Finally, the parametric study indicates that adjusting the top brine temperature, the cooling seawater temperature, the motive steam flow rate, and the number of effects has a significant impact on the TWP, which varies between 1.42 USD/m3 and 2.85 USD/m3.
Disciplines :
Chemistry
Author, co-author :
Fergani, Zineb; Laboratory of Biomaterials and Transport Phenomena, University of Medea, Medea 26000, Algeria
Triki, Zakaria ; Laboratory of Biomaterials and Transport Phenomena, University of Medea, Medea 26000, Algeria
Menasri, Rabah; Laboratory of Biomaterials and Transport Phenomena, University of Medea, Medea 26000, Algeria
Tahraoui, Hichem ; Laboratory of Biomaterials and Transport Phenomena, University of Medea, Medea 26000, Algeria ; Laboratoire de Génie des Procédés Chimiques, Department of Process Engineering, University of Ferhat Abbas, Setif 19000, Algeria
Kebir, Mohammed ; Research Unit on Analysis and Technological Development in Environment (URADTE CRAPC), BP 384, Bou-Ismail, Tipaza 42000, Algeria
Amrane, Abdeltif ; Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR—UMR6226, F-35000 Rennes, France
Moula, Nassim ; Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Méthodes expérimentales des animaux de laboratoire et éthique en expérimentation animale
Zhang, Jie ; School of Engineering, Merz Court, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
Mouni, Lotfi ; Laboratory of Management and Valorization of Natural Resources and Quality Assurance, SNVST Faculty, Akli Mohand Oulhadj University, Bouira 10000, Algeria
Language :
English
Title :
Analysis of Desalination Performance with a Thermal Vapor Compression System
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