A lagoon is a shallow, usually artificial, pond used for temporary
or permanent storage of liquids. A stabilization lagoon is a
shallow pond for the storage of wastewater before discharge to a
stream or to a treatment facility. A sump is a stationary device
designed to contain an accumulation of hazardous waste resulting
from a hazardous discharge from a tank, container, waste pile,
surface impoundment, landfill, or other hazardous waste management
structure.
Table 1. Types of Wastes and Disposal Options
Types of wastes Form of waste Re-use recycling
Immobilization Technologies
Containment Solidification Vitrification
Domestic Garbage X X
Sludge X X X
Industrial Solid X X X X
Liquid X X X
Mine Mine drainage X X x
Agricultural Fertilizer X X
Radioactive Mixed X X
Nuclear X X X
Fig. 1.