Norsk Hydro is denying that one of its alumina plants contaminated a Brazilian waterway after a public health group reported an overflow and release of untreated bauxite waste in the Para River.
The bauxite waste reservoir at the Norway-based company’s Hydro Alunorte plant didn’t overflow and contaminate the river, according to an April 9 report that Hydro Alunorte commissioned SGW Services, a Brazilian environmental consultant, to complete.
Hydro Alunorte, the world’s biggest alumina plant, produces alumina from bauxite—an amorphous, clay-like, commercial ore that is the raw material for smelting aluminum at ...
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