Zvinonzi Norwegian Hydro Company yakachinjira kune yakaoma backfill tekinoroji ye bauxite tailings kutsiva rapfuura tailings dhamu, nokudaro kuvandudza chengetedzo nekuchengetedzwa kwezvakatipoteredza kwemigodhi.
Munguva yekuyedzwa kwemhinduro itsva iyi, Hydro yakaisa mari inosvika US$5.5 miriyoni mukurasa kwekupedzisira kwemasara enzvimbo yemugodhi ndokuwana mvumo yekushanda yakapihwa nePara State Secretariat for Environment and Sustainability (SEMAS) chitupa.
John Thuestad, Mutevedzeri weMutungamiriri weHydro's bauxite uye alumina bhizinesi, akati: "Hydro yagara yakazvipira kusimudzira kusimukira kweindasitiri yealuminium, saka takaedza kuita kuedza uku kudzivirira migodhi ye bauxite.Kugadzwa kwemadziva matsva ekuchera zvisingaperi panguva yekuchera kunokonzera njodzi dzezvakatipoteredza. "
Mhinduro yeHydro ndiyo yazvino kuyedza kurasa bauxite tailings muindasitiri.Kubva muna Chikunguru 2019, Hydro yanga ichiyedza tekinoroji iyi pamugodhi weMinerao Paragominas bauxite kuchamhembe kwePara state.Zvinonzwisiswa kuti chirongwa hachidi kuenderera mberi kuvakwa kwemadhamu matsva anogara aripo, kana kunyange kuwedzera mitsara kune iripo tailings dhamu chimiro, nekuti chirongwa chinoshandisa nzira inonzi "dry tailings backfilling"., Kureva, backfill inert yakaoma tailings munzvimbo yakacherwa.
Chikamu chekuyedza chemhinduro nyowani iyi yeHydro inoitwa pasi pekutarisa kwenguva refu uye kuteedzera masangano ezvemamiriro ekunze, uye inoteedzera matekinoroji eEnvironment Committee (Conama).Kushandiswa kweiyi mhinduro itsva muBrazil inhanho yakakosha yekusimudzira budiriro, kuvandudza kuchengetedzwa kwekushanda uye kuderedza nharaunda yeHydro.Kuongororwa kweprojekiti kwakapedzwa mukupera kwa2020, uye Para State Secretariat yeZvakatipoteredza uye Sustainable Development (SEMAS) yakabvumidzwa kuti ishande muna Zvita 30, 2020.