An ba da rahoton cewa, Kamfanin Hydrogen na Norwegian ya sauya fasahar busasshen busassun wutsiya na bauxite don maye gurbin dam din wutsiya na baya, ta yadda za a inganta tsaro da kare muhalli na ma'adinai.
A lokacin gwaji na wannan sabon bayani, Hydro ya kashe kusan dalar Amurka miliyan 5.5 wajen zubar da wutsiya ta ƙarshe a yankin ma'adinai kuma ta sami izinin aiki daga Sakatariyar Muhalli da Dorewa (SEMAS) ta Jihar Para.
John Thuestad, Babban Mataimakin Shugaban Kamfanin Bauxite na Hydro da kuma kasuwancin alumina, ya ce: “Hydro ya kasance mai himma a koyaushe don inganta ci gaba mai dorewa na masana'antar aluminium, don haka mun yi ƙoƙarin aiwatar da wannan yunƙuri na guje wa haƙar ma'adinan bauxite.Kafa sabbin tafkunan wutsiya na dindindin yayin hakar ma'adinai na haifar da illa ga muhalli."
Maganin Hydro shine sabon ƙoƙari na zubar da wutsiyar bauxite a cikin masana'antar.Tun watan Yuli 2019, Hydro ke gwada wannan fasaha a ma'adinan Minerao Paragominas bauxite a arewacin jihar Para.An fahimci cewa shirin ba ya bukatar ci gaba da gina sabbin madatsun ruwan wutsiya na dindindin, ko ma a kara lamuni a tsarin dam din wutsiya da ake da su, saboda shirin yana amfani da hanyar da ake kira “bushe wutsiya baya”., Wato, backfill inert busassun wutsiya a cikin yankin ma'adinai.
Lokaci na gwaji na wannan sabon bayani na Hydro ana gudanar da shi a ƙarƙashin kulawa na dogon lokaci da bin diddigin hukumomin muhalli, kuma yana bin ka'idodin fasaha na Kwamitin Muhalli (Conama).Aiwatar da wannan sabon bayani a Brazil muhimmin mataki ne na ci gaba mai dorewa, inganta amincin aiki da rage sawun muhalli na Hydro.An kammala gwajin aikin a ƙarshen 2020, kuma an amince da sakatariyar muhalli da ci gaba mai dorewa (SEMAS) don aiki a ranar 30 ga Disamba, 2020.