Sewage Treatment Plant Operations

The video tutorial provides a comprehensive guide on the sewage treatment plant on ships, covering its components, the process of sewage treatment, and the regulations governing it. It includes a detailed explanation of the piping diagram and the step-by-step procedures for backwashing and cleaning the plant. The video also offers maintenance tips to ensure the plant operates efficiently.

What is the main purpose of the sewage treatment plant on a ship?

• To store sewage until it can be disposed of on land

• To incinerate sewage waste

• To treat sewage and make it less harmful for the sea

• To convert sewage into drinking water

Which organization governs sewage disposal at sea?

• International Maritime Organization

• Marine Pollution and X4

• Maritime Safety Authority

• Oceanic Environmental Protection Agency

What is the first step in the sewage treatment process on a ship?

• Pumping to the gray water tank

• Entering the sewage treatment plant

• Direct discharge overboard

• Passing through a storm valve

Which component is NOT part of the sewage treatment plant?

• Treated water tank

• Biofilter tank

• Separation tank

• Fuel tank

What is the purpose of the aeration blower in the sewage treatment plant?

• To pump sewage overboard

• To provide air for biological treatment

• To sterilize the sewage

• To filter the sewage

What should be done before starting the backwashing process?

• Turn on the discharge pump

• Close all valves

• Open the treated water valve

• Wear personal protective equipment

How long should the blower run during the first stage of backwashing?

• 15 minutes

• 25 minutes

• 10 minutes

• 20 minutes

What is the recommended water type for cleaning the sewage treatment plant?

• Seawater

• Distilled water

• Recycled water

• Freshwater

What indicates that the sewage treatment plant tank is full during refilling?

• A temperature increase

• A color change in water

• A high water level alarm

• A pressure drop

What is the final step after cleaning the sewage treatment plant?

• Refill with seawater

• Close all valves

• Turn off the blower

• Switch the discharge pump to automatic