Waste
Info Sheets

Waste Disposal Methods
Advantages and Disadvantages


OCEAN DUMPING
    Advantages:
  • convenient
  • inexpensive
  • source of nutrients, shelter and breeding
    Disadvantages:
  • ocean overburdened
  • distruction of food sources
  • killing of plankton
  • desalination
SANITARY LANDFILL
    Advantages:
  • volume can increase with little addition of people/equipment
  • filled land can be reused for other community purposes
    Disadvantages:
  • completed landfill areas can settle and requires maintenance
  • requires proper planning, design, and operation
INCINERATION
    Advantages:
  • requires minimum land
  • can be operated in any weather
  • produces stable odor-free residue
  • refuse volume is reduced by half
    Disadvantages:
  • expensive to build and operate
  • high energy requirement
  • requires skilled personnel and continuous maintenance
  • unsightly - smell, waste, vermin
OPEN DUMPING
    Advantages:
  • inexpensive
    Disadvantages:
  • health-hazard - insects, rodents etc.
  • damage due to air pollution
  • ground water and run-off pollution
RECYCLING
    Advantages:
  • key to providing a liviable environment for the future
    Disadvantages:
  • expensive
  • some wastes cannot be recycled
  • technological push needed
  • separation of useful material from waste difficult


Source
Seminar handout (??)
Return to
Urban Waste

Contact: Hari Srinivas - hsrinivas@gdrc.org