What is waste?
 Waste Is any substance which is

discarded after primary use, or it is
worthless, defective and of no use.
CATEGORIES OF WASTE

Domestic
waste

Industrial
waste

Agricultur
al waste

Municipal
waste

e-waste
KITCHEN WASTE

• Peelings of vegetables and fruits
• Shells taken off from eggs,
groundnuts and other dry fruits
• Washing of rice, pulses etc.
• Any stale or rotten non-usable food items
PLASTICS

• Plastic plates, glasses etc
GLASS

• Broken glass utensils, mirrors, containers
• Broken electrical bulb
• Rotten Food wastes
RAGS

• Discarded worn out clothing, old bed-sheets,
blankets
NEWSPAPER

• Newspapers and magazines
• Gaseous wastes from Industries is harmful for
the living organisms
MINING OPERATIONS

• During mining operations huge quantities of waste
are produced. Such waste is called mine tailing.
• THE TILDEN MINE, UPPER PENINSULA
• Tilden Iron Mine, Marquette County, Upper
Peninsula.
• Mining operations produce large amounts of
left-overs.
CEMENT INDUSTRIES

• The gaseous wastes include the flyash which consists
of fine solid particles of non-combustible ash.
CONSTRUCTION UNITS

• Construction units produce huge quantities of waste
stones, pebbles, broken bricks, wood wastes etc. which
are dumped in landfills.
Waste generation

Waste generation