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Home Environment

Less Polluting Firecrackers

June 24, 2019
in Environment
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CSIR scientists have developed Less Polluting Firecrackers which are not only environment friendly but 15-20 % cheaper than the conventional ones.

These crackers have been named as safe water releaser (SWAS), safe minimal aluminium (SAFAL) and safe thermite cracker (STAR).

SWAS:

  • It has unique property of releasing water vapour and /or air as dust suppressant and diluent for gaseous emissions and matching performance in sound with conventional crackers.
  • SWAS crackers eliminates usage of (KNO3) Potassium nitrate and Sulphur with consequent reduction in particulate matter (30-35%) SO2 and NOx. It has matching sound intensity with commercial crackers in the range of 105-110 dBA.
  • SWAS has been tested for shelf life upto 3 weeks with consistent performance.

SAFAL:

  • It has minimal usage of aluminium (only in flash powder for initiation) with consequent significant reduction in particulate matter (35-40 %) compared to commercial crackers.
  • It has matching sound intensity with commercial crackers in the range of 110-115 dBA.

STAR:

  • It eliminates usage of KNO3 and S with consequent reduction in particulate matter (35-40%), SO2 and NOx.
  • It has matching sound intensity with commercial crackers in the range of 105-110 dBA.

 

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Tags: Prelims

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