Incineration Process

Syllabus: GS3/ S&T

In News

  • The plan to incinerate 337 tonnes of chemical waste from the Bhopal gas tragedy in Pithampur has generated mixed reactions on the process of incineration.

About Incineration

  • Incineration is a waste treatment process involving the controlled combustion of materials at high temperatures to reduce their volume, neutralize hazardous components, and recover energy.
About-Incineration
Image Courtesy: Researchgate

Arguments in Favor of Incineration

  • Safe disposal: Incineration at high temperatures can effectively destroy most hazardous chemicals, reducing the risk of contamination.
  • Energy recovery: The heat generated during incineration can be used to produce electricity or steam, providing a source of energy.
  • Space-saving: Incineration significantly reduces the volume of waste, reducing the need for landfills.

Arguments Against Incineration

  • Harmful emissions: Incineration can release harmful pollutants such as dioxins, furans, and heavy metals if not properly controlled.
  • Health risks: Exposure to these pollutants can increase the risk of respiratory problems, cancer, and other health issues.
  • Air and water pollution: Residual ash and flue gases from incineration can contaminate the environment.
  • High costs: Building and operating an incinerator is expensive, and the process requires significant maintenance.

Alternative Solutions to Incineration

  • Secure landfill disposal: This option would involve storing the waste in a specially designed landfill with multiple layers of protection to prevent leakage.
  • Vitrification: This process involves melting the waste at high temperatures to form a solid glass block that is stable and non-leachable.
  • Plasma arc technology: This technology uses a high-temperature plasma to decompose the waste into its basic elements, which can then be safely disposed of.

Source: TH

 

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