Currently, approximately 1.4 billion tons per year of iron ore tailing wastes (IOT) are
generated, mainly in Australia, Brazil, and China. This work describes the characterization …

Abstract The Quadrilátero Ferrífero mineral province is one of the most important sources of
iron ore in Brazil. Nowadays this region produces 65% of the Brazilian iron ore. However …

In November 2015, a dam from iron mining collapsed, which is considered as the largest
environmental accident in Brazil. Over than 50 million m³ were released reaching the Doce …

Coal fly ash has been proposed as an alternative raw material for zeolite synthesis,
however, the mobilization of toxic elements of this material into zeolite products, washing …

The use of iron ore tailings (IOT) is a trend for the future of mining. The adoption of
alternatives that minimise the disposal of natural resources and add value to production …

Iron ore tailing is a major solid waste requiring advanced recycling methods because ore
tailing powder is polluting air and water resources. For instance, about 300 million tons of …

An abundant mineral in nature and despite its potential as raw material for different
segments of industry, when it comes from coal mining, pyrite (FeS 2) is treated as waste, and …

This paper reports the result of the investigation on manufacturing lightweight aggregate by
the mixtures of the low-silicon iron tailings, fly ash and powdery quartz sand. The raw …

The extraction of sulphur produces a hematite-rich waste, known as roasted pyrite ash,
which contains significant amounts of environmentally sensitive elements in variable …

The rapid depletion of high-grade rare earth elements (REE) resources implies that future
supplies may be augmented with low-grade ores, tailings, and other unconventional …