In the process of making power, coal-fired plants in North America annually produce about 70 million tons of fly ash. This material is an under-utilized resource, with about two-thirds of it relegated ...

New Delhi: MB Power has signed an agreement with SECL for backfilling of abandoned mines with fly ash in the Jamuna-Kotma area in Madhya Pradesh. MB Power has received the permission to backfill these ...

The steady depletion of river sand due to overexploitation for various purposes, including its usage as construction material and also as the main source of mine backfill material, and the resultant ...