Monday, July 4th, 2022 14:53:27

NTPC develops Geo-polymer aggregate from fly ash

Updated: December 2, 2020 5:41 pm

NTPC Ltd, India’s largest power producer has successfully developed Geo-polymer coarse aggregate from fly ash. The development will help in replacing natural aggregates reducing the impact on environment.

NTPC’s research project on production of Geo-polymer coarse aggregate from fly ash has met the statutory parameters of Indian Standards and was confirmed by National Council for Cement and Building Materials (NCCBM).

NTPC has successfully developed Geo-polymer coarse aggregates as a replacement to natural aggregates. The technical parameters as per Indian standards for its suitability to use in concrete works were tested by NCCBM, Hyderabad and the results are in acceptable range.

The development is NTPC’s R&D achievement in expanding the horizon in ash utilisation.

India’s demand for these aggregate touches close to 2000 million metric tons mark every year.

The aggregate developed by NTPC from fly ash will help in meeting

the demand to a great extent and also will reduce the impact on environment caused by Natural aggregates which require quarrying of natural stone.

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