"Fly Ash was once discarded as a waste but today, it is increasingly emerging as a major input material in several industries."Discuss.

Hint:
Flyash refers to the lightweight particles captured in exhaust gas by electrostatic precipitators, scrubbers or filter fabric baghouses or some other filtration equipment in coal-fired power plants.

  • Flyash are used as input materials to various industries:
  • Flyash are added as a mixture to cement for buildings construction, laying roads and landfills
  • Flyash is used in making bricks and blocks because bricks made from flyash are stronger and cheaper than conventional bricks

Flyash can be used to transform a barren wasteland into lush green forest
Pigments obtained from flyash can be used in manufacturing of paints

Question for UPSC Mains:
“Fly Ash was once discarded as a waste but today, it is increasingly emerging as a major input material in several industries.” Discuss.

Published: February 6, 2016 | Modified:June 27, 2019

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