Kharafi National Water Treatment Plant Operator Interview Questions and Answers

Final effluent water parameters refer to the quality of treated wastewater before it is discharged into the environment.

• Parameters include pH, turbidity, dissolved oxygen, biochemical oxygen demand, total suspended solids, and fecal coliform count.

• The specific parameters required may vary depending on local regulations and the receiving water body.

• Monitoring and controlling final effluent water parameters is crucial to...read more

Ras pump capacity refers to the maximum flow rate of the pump used in the Recirculating Aquaculture System (RAS).

• The capacity of the RAS pump depends on the size of the system and the number of fish being raised.

• The pump capacity should be able to circulate the entire volume of water in the system at least once per hour.

• A larger pump may be required if additional equipment, such as a biofilter or UV sterilizer, is adde...read more

Various chemicals are used in water treatment plants to purify water and make it safe for consumption.

• Coagulants like aluminum sulfate and ferric chloride are used to remove suspended particles

• Chlorine is added to kill bacteria and viruses

• Fluoride is added to prevent tooth decay

• Lime is used to adjust pH levels

• Activated carbon is used to remove organic compounds and improve taste and odor

• Sodium hydroxide is used to adju