An ba da rahoton cewa kamfanin Yaren mutanen Norwayro na Norway ya sauya zuwa fasahar backfiller na wutsiyar baoxite don maye gurbin Dam da ma'adinai na ma'adinai.
A yayin gwajin gwajin na wannan sabon bayani, Hydro ya kashe kusan dala miliyan 5.5 a cikin yankin ma'adinai kuma ya sami izinin aiki na jihar da aka gabatar da takardar izinin aiki.
Mataimakin shugaban zartarwa na shugaban kasar Hydro da Alumina ya ce: "Koyaushe ne:" Hydro koyaushe ya himmatu wajen inganta wannan yunƙurin da za mu yi kokarin aiwatar da aikin bauxite. Kafa sabon wutsiyoyi na dindindin a lokacin ma'adanai suna haifar da haɗarin muhalli. "
Magani na Hydro shine sabon yunƙurin zubar da wutsiyar Baoxite a cikin masana'antar. Tun watan Yuli na shekarar 2019, Hydro ya yi gwajin wannan fasaha a fina-finai na Minerao Paragominas Bauxite nawa a Arewa Pale State. An fahimci cewa shirin ba ya buƙatar ci gaba da tsarin dams na dindindin na dindindin, ko kuma ma ƙara yadudduka zuwa tsarin da ake kira "bushe wutsiyoyi masu amfani da shi". , Wancan shine, lokacin shakatawa na wutsiya a cikin mined yankin.
Tsarin gwajin na wannan sabon bayani na Hydro ne da za'ayi ƙarƙashin sa ido na dogon lokaci da bin diddigin hukumomin muhalli, kuma ya bi ka'idojin fasaha na kwamitin muhalli (onama). Aikace-aikacen wannan sabon bayani a cikin Brazil muhimmin mataki ne ga ci gaba mai dorewa, inganta yanayin aiki da rage sawun muhalli na Hydro. An kammala gwajin aikin a karshen shekarar 2020, da kuma sakin sakatariyar jita don mahalli da dorewa (Semas) an yarda da shi don aiki a ranar 30 ga Disamba, 2020.