The Benefits of Fly Ash in Ready-mix Concrete

Pēc: | Posted in: Vieglie pelni | Piektdiena, Jūlijs 3, 2020 - 6:52esmu
Fly Ash in concrete

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


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Vale saistības $3 miljardi, lai dry dzelzs rūdas apstrāde

Pēc: | Posted in: Minerālu | Piektdiena, Jūlijs 31, 2020 - 6:50esmu
Dry iron ore processing

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


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