A na-akọ na ụlọ ọrụ Norwegian gbanyere na teknụzụ akọrọ nke bauxite asịrị iji dochie ọdụdụ gara aga, si otú a na-eme ka nchekwa na gburugburu ebe obibi.
N'oge ule nke ihe ngwọta ọhụrụ a, hydro etinye ego dị ka nde US $ 5.5 na mkpokọta nke ọdụ na ebe a na-enwe ohere maka gburugburu ebe obibi (Sease) Asambodo.
John Thuestad, onye isi oche nke Bauxite hydro na Alumina Azụmaahịa Alumina, kwuru, sị: "hydro agbaala mbọ iji kwalite mgbapụta a iji zere minking bauxite. Nguzobe nke na-adịgide adịgide na-adịgide adịgide n'oge na-egwu na-akpata ihe ọghọm gburugburu ebe obibi. "
Ngwọta HDRO bụ ihe kachasị mma iji tụfuo ọdụdụ bauxiti na ụlọ ọrụ. Kemgbe July 2019, Hydro anwalewo teknụzụ a na Minerao Paragominas Bauxite nke Mingentate nke Northern Para State. A na - aghota na mmemme ahu achoghi ihe ohuru na-adigide na-adigide na-adigide na-adigide, n'ihi na ihe omume a na-eji "akọrọ ọdụ ụgbọ mmiri". , Nke ahụ bụ, azụ azụ na-agbagharị ọdụ na mpaghara ogbunigwe.
A na-eme nnwale nke usoro ihe ngwọta ọhụrụ a n'okpuru nleba anya na-elekọta ụlọ ọrụ gburugburu ụlọ ọrụ, ma soro ụkpụrụ ọrụ nke kọmitii gburugburu (conama). Ngwa nke ihe ngwọta ọhụụ a na Brazil bụ nzọụkwụ dị mkpa maka mmepe mmepe, na-emezigharị nchekwa arụmọrụ ma na-ebelata ukwu njikọ hydro. Emechara nnwale nke ọrụ ngo na njedebe nke 2020, na ndị odeakwụkwọ steeti Para steeti maka gburugburu ebe obibi (ọkara) maka ọrụ na Disemba 30, 2020.