In the chaos of war, there’s nothing to stop Chinese firms from ravaging the landscape and extracting the minerals, which end ...

The pyrolysis treatment with biomass is a promising technology for the remediation of chromite-ore-processing residue (COPR). However, the mechanism of this process is still unclear. In this study, ...

Raw ore allocation in mineral processing is crucial for improving the utilization ratio of nonrenewable raw mineral resources. Allocation of raw ore is a nonlinear, multiobjective programming problem.

BALTIMORE — Maryland’s General Assembly designated chromite as the state mineral in 2025, recognizing its pivotal role in its ...

Layered, poorly crystalline Mn(IV)O2 phases are abundant in the environment. These mineral phases may rapidly oxidize Cr(III) to more mobile and toxic Cr(VI) in soils. There is still, however, little ...

Brazilian mining company Vale has announced plans to stop using water in iron ore processing at its Carajas complex in northern Brazil by 2027, according to a report by Reuters.

As proposed, the Shaakichiuwaanaan mining project would include an ore processing plant, a water treatment plant a workers' camp, and storage areas for waste rock, tailings and ore. The mine would ...

Brazilian mining company Vale has announced plans to cease the use of water in iron ore processing at its Carajas complex in northern Brazil by 2027.

The key reasons for the rating include: 1) In Q1 2025, the production of major products increased YoY, with ore production achieving a good completion rate; 2) The company is actively advancing ...

Mining giant Vale aims to stop using water to process iron ore at its Carajas mines by 2027, executives said on Tuesday, while expanding pellet feed production through the reuse of mine waste at ...