Norsk Hydro Challenges Report After Alumina Production Halved

摘要

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 an adjacent Norsk Hydro-Japanese joint venture.