Kostirnir við Fly Ash í Ready-Mix steypu

Eftir: | Bókað í: Fly Ash | Föstudagur, Jul 3, 2020 - 6:52Er
Fly Ash in concrete

Fly ash is the most mineral residue left over from burning coal by coal-fired power plants. Fljúgandi aska er pozzolanic, meaning that it has cementitious properties. It is valuable for


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Vale skuldbindur sig $3 Milljarður til þurr járn málmgrýti vinnslu

Eftir: | Bókað í: Steinefni | Föstudagur, Jul 31, 2020 - 6:50Er
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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