This review has identified alternate methods of handling and processing hatchery waste that could be utilised.
Hatchery waste can be separated into solid waste and liquid waste by centrifuging
Alternatively inclined screens and the use of a belt or filter press can separate the components of the waste
Flexible multi-layer filters can be used to separate liquid wastes from solid wastes
Another system for separating liquid and solid waste is to use a conveyor with an upper and lower conveyor roller. Liquid and solid wastes are separated and placed in collectors which are located near the upper and lower rollers