Kolkata: CESC, the flagship power utility of RPSG Group, has received a patent from Intellectual Property India for innovating a technology in use of bottom ash from coal-based thermal power plants (TPP).
The ash generated from a coal-based TPPs are of two types: fly ash (about 85% of total ash generated) and bottom ash (rest 15%). Most of the fly ash is utilised in cement production, whereas bottom ash is yet to find useful utilisation area. CESC researched in finding a solution and had partnered with Jadavpur University and SDG Consultants.
