Chlorination Unit

Which chemical is used in water treatment plant?

• Bromine

• Iodine

• Chlorine

• Sulfur

What do you call the process where chlorine is injected into the water treatment plant?

• Chlorination

• Electrolysis

• Flocculation

• Sedimentation

Chlorine is obtained from the electrolysis of sodium chloride. In what form will chlorine be?

• Solid

• Liquid

• Gas

• Vacuum

When chlorine gas is produced commercially, how will the gas shipped to different parts of the country?

• Under pressure in gas cyclinders

• Under pressure in 1-ton cylinders

• Using tank trucks and cars

• ALL of the above

How does chlorine work in disinfecting raw water?

• By penetrating the cell wall and the pathogen dies

• By creating holes and inject the chlorine inside the wall

• By hoping that the pathogen will die silently

• By using the power of prayer

What is the chemical name for liquid bleach?

What are the 2 types of chlorination process? Choose ALL of the correct answers.

• Hypochlorination

• Hyperchlorination

• Gas chlorination

• Liquid chlorination

There are 4 basic categories of chlorine treatment; TRUE or FALSE?

• True

• False

Pre-chlorination happens when chlorine is added AFTER it enters the sedimentation tank; TRUE or FALSE?

• True

• False

What do you call the process that removes excess residual chlorine in the distribution system?