Swedish technology to Reduce Stubble Burning

  • India is testing a Swedish technology — torrefaction that can convert rice stubble into ‘bio-coal’.
  • The technology involves heating up straw, grass, saw mill residue and wood biomass to 250 degrees Celsius - 350 degrees Celsius.
  • This changes the elements of the biomass into ‘coal-like’ pellets.
  • These pellets can be used for combustion along with coal for industrial applications like steel and cement ....
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Ecology & Environment