Page 14 - SGG_220310Students_Presentation_Module 2

3.1. DIFFERENT METHODS OF WASTE MANAGEMENT

LANDFILLING INCINERATION RECYCLING COMPOSTING

PROS - Cheap method - Energy from waste - Saves energy - Natural process
compared to the - Free of hazardous
energy required for by-products
creating products
from scratch
-Reduces the waste
that goes to landfills
and incinerators

CONS - Requires the use - Produces ash and - Still takes energy -Takes time
of a large area steam,

contaminating the
- It gives highly air, water and
hazardous gases, like land.
methane
- Expensive