ME-620 Thermal Desalination

ME-620 THERMAL DESALINATION

Credit Hours = 3

COURSE CONTENT

• Introduction: Resources and Need for Water Desalination, Classification of Industrial Desalination Processes, Composition of seawater.
• Single Effect Evaporation: Thermal, Mechanical and Absorption Vapor Compression, Effect of boiling temperature and salinity on performance ratio and heat transfer area.
• Multiple Effect Evaporation: Forward, Backward and Parallel Feed Arrangements, Specific cooling water flowrate, Specific pumping power, Variation in the performance ratio as a function of top brine temperature and the number of effects.
• Multi-stage Flash (MSF) Distillation: MSF system components: Brine pool. Demister, Distillate tray, condenser / preheater tubes, Tube configurations, One through MSF, Brine recycle MSF.
• Solar Desalination: Direct and Indirect Solar Desalination, Basin Stills, Diffusion Stills, Multiple-effect basin still, Externally heated (active) solar still, Desalination with humidification–dehumidification.

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