PERIOD: DA DEFINIRE The course provides theoretical and practical aspects of seawater/brackish water desalination technologies. Fundamental thermodynamic and transport processes which govern the creation of fresh water from seawater and brackish ground water will be discussed. The technologies of existing and future desalination systems will be discussed, with a focus on membrane-based separation and thermal separation: technological, economic, and environmental factors which limit the performance or the affordability of these systems will be highlighted. Emerging materials and technologies for desalination will be considered. This course is organized within the framework of the CleanWaterCenter, the interdepartmental center of Politecnico di Torino devoted to research and innovation of water treatment technologies.

Introduction Characteristics of seawater and brackis water. Compositions, concentrations, and osmotic pressure. Gibbs energy and chemical activity. Work of separation. Reverse osmosis (RO). Introduction. Solution-diffusion model. Cross-flow separators. Concentration polarization. RO system engineering. Fouling. Energy of separation in RO Economics and environmental costs of RO. Materials used in RO membranes Emerging materials Modeling transport through membranes Forward Osmosis e Membrane Distillation Visit of the CWC (Focus on membrane systems) Electrodyalisis and Capacitive Deionization Introduction to thermal desalination Scale formation. Distillation. Least heat of distillation Single effect distillation. Multi-effect distillation Single-stage flash distillation. Multi-stage flash evaporation Vapor compression distillation. Relative desalination costs. Freeze distillation Solar energy. Solar collectors. Solar stills. Solar desalination systems. CSP concentrator. Solar concentrator. Visit of the CWC (Focus on solar systems)

ATTENZIONE: IL CORSO NON SARA' ATTIVATO PER L'ANNO ACCADEMICO 2019/20

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Gli studenti e le studentesse con disabilità o con Disturbi Specifici di Apprendimento (DSA), oltre alla segnalazione tramite procedura informatizzata, sono invitati a comunicare anche direttamente al/la docente titolare dell'insegnamento, con un preavviso non inferiore ad una settimana dall'avvio della sessione d'esame, gli strumenti compensativi concordati con l'Unità Special Needs, al fine di permettere al/la docente la declinazione più idonea in riferimento alla specifica tipologia di esame.