Introduction to Desalination. Fuad Nesf Alasfour

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Sketch and explain.

      19 1.19 Provide technical information for four selected commercial desalination systems showing their industrial specifications. Choose one from your country.

      20 1.20 Provide the value of specific energy required to desalt 1 m3 of safe water for human consumption for the following various water sources:Lake or river.Ground water.Brackish water.Seawater.Wastewater treatment.Wastewater reuse.

      21 1.21 Provide the value of power consumption trend for RO seawater desalination in the last 30 years. Sketch, explain, and justify the trend.

      22 1.22 Provide the values of salt concentration (ppm) for the following feed sources:Pacific Ocean.Atlantic Ocean.Gulf of Mexico.Arabian Gulf.North Sea.Dead Sea.Explain the reasons behind differences.

      23 1.23 Explain the following concentration units: ppm, ppt, wt%, mg/l, and mg/kg.

      24 1.24 Explain the following molar concentration units: molarity and normality.

      25 1.25 List three operational parameters that affect desalination system performance. Explain their effects.

      26 1.26 Elaborate on the effects of brine salinity on ecosystem.

      27 1.27 Through experimental work, use TDS digital indicator to examine the salinity of the following feed:Tap water (cold).Tap water (hot).Five commercial local mineral water bottles.Five commercial imported mineral water bottles.Industrial wastewater.Explain and comment.

      28 1.28 Explain the function of the following devices:Hydrometer.Viscometer.Pycnometer.Provide experimental measurements of three types of feedwater.

      29 1.29 Provide charts showing types of desalination processes based on:Type of energy used (mechanical, thermal, electrical).Type of extracted component (water, salt).

      30 1.30 Explain the status of desalination industry in your country.

      31 1.31 Elaborate on the following patents:Rillieux patent of MEE in 1943.Silver patent of MSF in 1959.

Part I Thermal Desalination Systems

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