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Desalination Definition and History Quiz

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Desalination Definition and History Quiz

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Questions and Answers

What was the significance of Kennedy's statement about desalination?

It criticized the high energy consumption of desalination processes.

It announced the opening of the first desalination plant in Texas.

It advocated for the use of thermal technologies over membrane technologies.

It highlighted the potential of desalination to resolve water conflicts. (correct)

What is the main difference between thermal and membrane desalination technologies?

Thermal technologies are more widely used globally than membrane technologies.

Thermal technologies are more energy-efficient than membrane technologies.

Membrane technologies are more suitable for desalinating brackish water.

Thermal technologies use heat to produce distilled water, while membrane technologies use physical barriers. (correct)

Which of the following is NOT a thermal desalination process mentioned in the text?

Vapor Compression Distillation (VCD)

Multi-Effect Distillation (MED)

Multi-Stage Flash Distillation (MSF)

Electrodialysis (ED) (correct)

Which statement is TRUE about the global desalination capacity?

Thermal and membrane technologies each account for about 50% of the global capacity. Signup and view all the answers

What does the term 'brine concentrate' refer to in the context of desalination?

The high-concentration salt water byproduct of the desalination process. Signup and view all the answers

What was the purpose of President Kennedy's statement regarding desalination?

To highlight the importance of ending struggles over water resources. Signup and view all the answers

What is the primary function of thermal desalination technologies?

To heat saline water and collect the condensed vapor to produce pure water. Signup and view all the answers

Which country has the largest number of desalination plants installed worldwide?

United States Signup and view all the answers

What is the approximate split between thermal and membrane technologies in the global desalination capacity?

50% thermal, 50% membrane Signup and view all the answers

Why are both thermal and membrane desalination technologies mentioned in the text, despite having different operational principles?

Because they require significant energy input to operate. Signup and view all the answers