Introduction Crushing represents a fundamental and often energy-intensive stage within mineral processing and aggregate production circuits (Gawenda & Saramak, 2022). These operations, involving the size reduction of rock, ore, or other raw materials, are critical for preparing materials for subsequent ...

Indian miner NMDC  is exploring coking coal assets, key ingredient used for making iron ore and steel, in Indonesia and Australia, Chairman Amitava Mukherjee said on Thursday. India, the world’s second-largest producer of crude steel, meets 85% of its coking coal ...

Introduction Electronic detonators are advanced initiation devices used to trigger explosives, typically in mining and civil engineering, that utilize electronic circuits and microchips to control the timing and sequence of detonations. Unlike traditional electric and non-electric detonators, they offer precise timing ...

Introduction Blasting, the primary method for rock breakage in mining and construction, relies fundamentally on initiation systems to trigger explosive charges. These systems have evolved significantly over time, progressing from rudimentary methods like safety fuses and blasting caps to more ...

What is rock drillability? Drillability of rock refers to the ability of rock to resist pressure and crushing during drilling, it also indicates the efficiency of footage, and it is also an index of rock solidity that indicates the difficulty ...