by ST Tech | Jul 31, 2020 | Mineral
Companhia Vale do Reio Doce (CVRD) is one of the largest mining companies in the world. Headquartered in Brazil, they have mining operations in 30 countries around the world. They are the world’s largest producers of iron ore, iron pellets, and nickel, and they are...
by ST Tech | Jul 3, 2020 | Fly Ash
Fly ash is the most mineral residue left over from burning coal by coal-fired power plants. Fly ash is pozzolanic, meaning that it has cementitious properties. It is valuable for use in ready-mix concrete as a partial replacement for Portland cement. Also, it may be...
