Seawater Desalination

What is the process of removing salt and other minerals from seawater called?

• Desalination

• Desalting

• Salt extraction

• Mineral separation

Which method of seawater desalination involves using a membrane to separate salt from water?

• Distillation

• Reverse Osmosis

• Filtration

• Electrodialysis

What is the most common type of membrane used in reverse osmosis desalination?

• Graphene oxide membrane

• Polyamide membrane

• Thin-film composite (TFC) membrane

• Cellulose acetate membrane

What is the primary energy source required for seawater desalination?

• Electricity

• Wind energy

• Coal

• Solar power

What is the main environmental concern associated with seawater desalination?

• Low maintenance costs and minimal environmental impact

• High energy consumption and increased greenhouse gas emissions

• Reduced reliance on freshwater sources and increased biodiversity

• Decreased water scarcity and improved water quality

Which country is the largest producer of desalinated water in the world?

• India

• United States

• China

• Saudi Arabia

What is the approximate percentage of Earth's water that is suitable for drinking without treatment?

• 20%

• 0.3%

• 10%

• 5%

What is the term used to describe the leftover concentrated brine after desalination?

• brine waste

• desalination sludge

• brine concentrate

• salt residue

What is the purpose of pre-treatment in seawater desalination?

• To increase the salinity of seawater

• To speed up the desalination process

• To add impurities to the seawater

• To remove impurities and prevent damage to desalination equipment.

What are some potential benefits of seawater desalination for water-scarce regions?

• Increased water supply, reduced strain on freshwater sources, mitigation of droughts and water shortages.

• Increased air pollution, higher energy consumption, negative impact on marine life.