OSLO (Reuters) – Norwegian aluminum maker Norsk Hydro’s Alunorte alumina refinery in Brazil made unauthorized spills of waste water final month, the corporate mentioned on Sunday, greater than two weeks after native authorities first started to boost questions.
Heavy rain and flooding on the plant in mid-February sparked fears of a leak of poisonous bauxite waste across the facility and authorities warnings of contamination, however Hydro has to date maintained it had discovered no proof of emissions.
Authorities in late February ordered the plant, the world’s largest alumina refinery, to chop output in half till it addressed issues, main Hydro to declare drive majeure with no time set to restart manufacturing.
A Brazilian government-backed analysis institute on Friday advised Reuters it should quickly publish proof of a waste leak from Alunorte, situated within the northern state of Para.
Hydro spokesman Halvor Molland mentioned on Sunday the corporate on two events determined to emit water after heavy rain had put strain on the plant’s therapy facility.
“The canal we used for these emissions is just not coated by our allow,” Molland mentioned, whereas including the corporate had later notified regulators.
“We have now no indications that this managed emission had a destructive affect on the setting,” he added.
Hydro’s admission that spills had taken place was first reported by Norwegian enterprise every day Dagens Naeringsliv.
(Reporting by Camilla Knudsen, modifying by Terje Solvik and David Evans)