Alcoa''s Filtro Prensa bauxite residue filtration dry ...
Jan 18, 2022 · In Brazil, Alcoa has three production units, in Poços de Caldas (MG), São Luís (MA) and Juruti (PA), as well as offices in São Paulo (SP), Poços de Caldas (MG) and Brasília (DF), in addition to a significant shareholding in bauxite miner Mineração Rio do Norte (MRN) and in four hydroelectric plants: Machadinho, Barra Grande, Serra do ...