Outlines the different aspects of sewage discharge from ships with reference to (a)
health hazard and (b) visual pollution. A number of systems for the treatment of
sewage are described together with their principles of operation and maintenance.
The use of an incinerator is included. Finally, the operation of a sewage unit outside
territorial water, entering territorial waters and when a ship is in port, is covered.
Code No 125
Time: 24 Mins