Question

Incenerators are used for which of the following?

1. Burning wastes
2. Putting wastes into them
3. For cutting green trees
4. For making fertilizers

Answer 1

Correct Answer - Option 1 : Burning wastes

The correct answer is Burning wastes.

• Incineration is a thermo-decomposition process where the components present in the waste stream are ionized into harmless elements at a higher temperature in the presence of oxygen. 
• An incinerator is a furnace for burning waste.
• Many paper and pulp mills incorporate them into their pollution mitigation systems.
• Incineration involves the high-efficiency combustion of certain solid, liquid, or gaseous wastes.
• The typical waste-incineration facility includes the following operations:
  • Waste storage and feed preparation.
  • Combustion in a furnace, producing hot gases and a bottom ash residue for disposal.
  • Gas temperature reduction, frequently involving heat recovery via steam generation.
  • Treatment of the cooled gas to remove air pollutants, and disposal of residuals from this treatment process.
  • Dispersion of the treated gas to the atmosphere through an induced-draft fan and stack.
• Incineration of waste materials converts the waste into ash, flue gas and heat.
• Incineration has particularly strong benefits for the treatment of certain waste types in niche areas such as clinical wastes and certain hazardous wastes where pathogens and toxins can be destroyed by high temperatures.