R. O. Desalination fill-in practice

1. ​ (a)  

• Sea water flows into the chamber.
• Pressure is applied to the water.
• Water is pushed through a semipermeable membrane
• Salt-free water flows out of chamber.
• Brine (very salty water) flows out to ocean.

2. ​ (a)  

• Pressure is applied to the water.
• Water is pushed through a semipermeable membrane
• Salt-free water flows out of chamber.
• Brine (very salty water) flows out to ocean.
• Sea water flows into the chamber.

3. ​ (a)  

• Water is pushed through a semipermeable membrane.
• Pressure is applied to the water.
• Salt-free water flows out of chamber.
• Brine (very salty water) flows out to ocean.
• Sea water flows into the chamber.

4. ​ (a)  

• Salt-free water flows out of chamber.
• Pressure is applied to the water.
• Water is pushed through a semipermeable membrane
• Brine (very salty water) flows out to ocean.
• Sea water flows into the chamber.

5. ​ (a)  

• Brine (very salty water) flows out to ocean.
• Pressure is applied to the water.
• Water is pushed through a semipermeable membrane
• Salt-free water flows out of chamber.
• Sea water flows into chamber.