Green Crackers

They are fireworks made with a reduced shell size without ash, and use additives such as dust suppressants to reduce emissions and particulate matter.
These crackers lack barium compounds that is responsible for the green hue and noise pollution.
The idea was introduced by the Council of Scientific and Industrial Research-National Environmental Engineering Research Insititute (CSIR-NEERI) in 2018.
3 broad categories of green crackers - SWAS (safe water releaser), SAFAL (safe minimal aluminium) and STAR (safe thermite cracker)

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GS-III : Biodiversity & Environment Air Pollution

15 October, 2022
6 Min Read

Green Crackers

The Chandigarh government recently approved the use of green crackers.

About

Three Categories of Green Crackers: developed by the Council of Scientific and Industrial Research (CSIR).

SWAS (Safe water releaser)

Have a small water pocket/droplet which gets released when burst, in the form of vapour.
Suppresses the dust released by releasing water vapour in the air.
Does not comprise potassium nitrate and sulphur and the particulate dust released will reduce approximately by 30 per cent.

STAR (Safe thermite cracker)

Does not comprise potassium nitrate and sulphur,
Emits reduced particulate matter disposal and reduced sound intensity.

SAFAL (Safe minimal aluminium)

Has minimum usage of aluminium, and used magnesium instead.
Ensures reduction in sound in comparison to traditional crackers.
Advantages of Green crackers
Reduction in size of shell,
Elimination of ash usage,
Reduced usage of raw materials, uniform acceptable quality, etc.,
Leading to the reduction of particulate matter and gaseous emission.
Different from Traditional Crackers:
Green crackers cause 30 per cent less air pollution as compared to traditional ones.
Green crackers reduce emissions substantially and absorb dust and don’t contain hazardous elements like barium nitrate.

Permission to Use:

According to the National Green Tribunal (NGT), green crackers are permitted only in cities and towns where air quality is moderate or poor.
Guidelines to choose the Right Green Cracker:
Buy green crackers only from licensed sellers.
Identify through the CSIR NEERI logo.

Read Also: Green Crackers and NGT

Source: The Indian Express

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