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- Researchers from the IIT Hyderabad have found a method that can convert fly ash into a waterproofing material.
- They have converted fly ash by treating it with stearic acid which is commonly used in soaps and shampoos.
- Stearic acid is a saturated fatty acid with an 18-carbon chain and has the IUPAC name octadecanoic acid.
- Fly ash is the end product of combustion during the process of power generation in the coal-based thermal power plants.
- Fly ash contains heavy metals such as large amount of PM 2.5 and black carbon.
- Fly ash is a major source of PM 2.5 (respirable pollution particles) in summer.It becomes airborne and gets transported to a radius of 10 to 20 kms.It can settle on water and other surfaces.Hence,proper disposal of fly ash is required at many places.
- Fly Ash can be used as a resource material for many applications of construction industries such as in manufacturing of Cement, bricks, road embankment among others.At present,63% of the fly ash is being utilised in India but the target is for 100% utilisation of the fly ash.
