Munguva pfupi yapfuura, mutori wenhau kubva kuChina Metallurgical News akadzidza kubva kuVale kuti mushure memakore manomwe ekutsvagisa nekudyara kweanosvika mamirioni makumi mashanu reais (inenge US$878,900), kambani yakabudirira kugadzira yemhando yepamusoro yekugadzira ore nzira inokodzera budiriro inoenderera.Vale vakashandisa nzira yekugadzira iyi kunzvimbo yekushanda kwesimbi muMinas Gerais, Brazil, uye inoshandura magadzirirwo ematombo ayo pakutanga aida kushandiswa kwemadhamu kana nzira dzekututira muzvigadzirwa zvemhando yepamusoro.Zvigadzirwa zveore zvinogadzirwa neiyi nzira zvinogona kushandiswa muindasitiri yekuvaka.
Zvinonzwisiswa kuti kusvika parizvino, Vale yakagadzira nekugadzira matani mazana maviri nemakumi mashanu ezviuru zvemhando yepamusoro-soro yejecha remaminerari zvigadzirwa, zvine yakakwira silicon yemukati, yakaderera zvakanyanya iron yemukati, uye yakakwirira makemikari kufanana uye particle saizi yakafanana.Vale anoronga kutengesa kana kupa chigadzirwa kugadzira kongiri, dhaka, simende kana kugadzira migwagwa.
Marcello Spinelli, Mutevedzeri Mukuru weVale's Iron Ore Bhizinesi, akati: "Pane kudiwa kukuru kwejecha muindasitiri yekuvaka.Zvigadzirwa zvedu zve ore zvinopa sarudzo yakavimbika yeindastiri yekuvaka, uku ichideredza kukanganiswa kwezvakatipoteredza kwekurapwa kwematailings.The negative impact yakakonzerwa.”
Maererano nenhamba dzeUnited Nations, kudiwa kwejecha pasi rose pagore kuri pakati pematani mabhiriyoni makumi mana nematani mabhiriyoni makumi mashanu.Jecha rave pfuma yechisikigo ine huwandu hukuru hwekuchera kwakaitwa nevanhu mushure memvura.Iyi mineral sand chigadzirwa cheVale inotorwa kubva kune-chigadzirwa chesimbi ore.Raw ore inogona kuve iron ore mushure memaitiro akati wandei sekupwanya, kuongorora, kukuya uye kubatsirwa mufekitori.Mumaitiro echinyakare ekubatsira, ne-zvigadzirwa zvinova miswe, iyo inofanirwa kuraswa kuburikidza nemadhamu kana mumirwi.Iyo kambani inodzokorora izvo-zvakagadzirwa zvesimbi ore muchikamu chekubatsirikana kusvika yasangana nemhando yezvinodiwa uye inova yemhando yepamusoro yemamineral sand chigadzirwa.Vale akataura kuti vachishandisa maitiro ekushandura matailings kuita emhando yepamusoro ore, matani ese ezvigadzirwa zvinogadzirwa zvinogona kuderedza tani imwe yemaswe.Zvinonzi vaongorori kubva kuInstitute of Sustainable Minerals paYunivhesiti yeQueensland kuAustralia uye University of Geneva kuSwitzerland parizvino vari kuita ongororo yakazvimiririra yekuongorora hunhu hweVale's mineral sand zvigadzirwa kuti vanzwisise kana vachikwanisa kuve imwe inogoneka. kujecha.Uye kuderedza zvakanyanya kuwanda kwemarara anogadzirwa nemabasa emigodhi.
Jefferson Corraide, Executive Manager weVale's Brucutu neAgualimpa yakabatanidzwa mashandiro enzvimbo, akati: “Idzi mhando dzezvigadzirwa zveore zvigadzirwa zvakasvibira zvechokwadi.Zvese zvigadzirwa zve ore zvinogadziriswa nenzira dzemuviri.Kemikari yezvakagadzirwa haina kuchinjwa panguva yekugadziriswa, uye chigadzirwa hachina chepfu uye hachina kukuvadza. "
Vale akataura kuti inoronga kutengesa kana kupa matani anopfuura miriyoni ezvigadzirwa zvakadaro panosvika gore ra2022, uye kuwedzera kuburitswa kwezvigadzirwa zveore kusvika matani emamiriyoni maviri panosvika 2023. Zvinonzi vatengi vechigadzirwa ichi vanotarisirwa kubva kumatunhu mana. muBrazil, Minas Gerais, Espirito Santo, Sao Paulo neBrasilia.
"Takagadzirira kuwedzera musika wekushandisa wezvigadzirwa zvemamineral sand kubva muna 2023, uye nekuda kweizvi takagadzira timu yakazvipira kushanda bhizinesi idzva iri."akadaro Rogério Nogueira, director weVale's iron ore market.
“Parizvino, dzimwe nzvimbo dzemigodhi kuMinas Gerais dziri kugadzirirawo hurongwa hwekuita chirongwa chekugadzira ichi.Pamusoro pezvo, tiri kushanda pamwe neakawanda emasangano ekutsvagisa kugadzira zvigadziriso zvitsva uye takazvipira mukurapa kwakanaka kwesimbi.Zvicherwa zvinopa mazano matsva. ”akadaro André Vilhena, maneja webhizinesi weVale.Pamusoro pekushandisa zvivakwa zviripo munzvimbo yekucherwa kwesimbi, Vale yakagadzira zvakare hombe yekufambisa network kuti itakure zvakanaka uye zviri nyore zvigadzirwa zvejecha remaminerari kuenda kumatunhu akawanda muBrazil."Chitarisiko chedu ndechekuona kusimba kwebhizinesi resimbi, uye isu tinotarisira kudzikisira nharaunda yekushanda kwekambani kuburikidza neiri bhizinesi idzva."Villiena akawedzera.
Vale anga achiitisa tsvakiridzo nezve machira ekurapa manyorerwo kubva 2014. Muna 2020, kambani yakavhura yekutanga pilot chirimwa chinoshandisa tailings sechinhu chikuru mbishi kugadzira zvigadzirwa zvekuvaka-iyo Pico zvidhinha fekitori.Chirimwa ichi chiri munzvimbo yePico migodhi muItabilito, Minas Gerais.Parizvino, iyo Federal Technical Education Center yeMinas Gerais iri kushingaira kusimudzira kushandirapamwe kwehunyanzvi nePico Brick Factory.Nzvimbo iyi yakatumira vaongorori vanopfuura gumi, kusanganisira mapurofesa, vadzidzi vakapedza kudzidza, undergraduates uye vadzidzi vekosi yehunyanzvi, kuPico Brick Factory kuitisa tsvakiridzo mumunhu.
Pamusoro pekutsvagisa nekuvandudza zvigadzirwa zveecological, Vale akatorawo matanho akasiyana siyana ekudzikisa huwandu hwematehwe, zvichiita kuti zviitiko zvemigodhi zvirambe zviripo.Kambani iyi yakazvipira kuvandudza tekinoroji yekugadzira yakaoma iyo isingade mvura.Parizvino, inenge 70% yeVale's iron ore zvigadzirwa zvinogadzirwa kuburikidza nekuoma kwekugadzira tekinoroji.Iyo kambani yakataura kuti kushandiswa kweiyo yakaoma kugadzirisa tekinoroji kwakabatana zvakanyanya nemhando yesimbi ore.Iron ore iri munzvimbo yemugodhi weCarajás ine yakakwira simbi yemukati (inopfuura 65%), uye kugadzirisa kunongoda kupwanywa uye kusefa zvichienderana nekukura kwechikamu.
Iyo Vale subsidiary yakagadzira yakaoma magineti yekuparadzanisa tekinoroji kune yakanaka ore, iyo yakashandiswa muchirimwa chekutyaira muMinas Gerais.Vale inoshandisa tekinoroji iyi kune yekubatsira maitiro epasi-giredhi iron ore.Chigadzirwa chekutanga chekutengesa chichashandiswa munzvimbo yekushanda yeDavarren muna 2023. Vale vakati chirimwa ichi chichave nekugadzirwa kwegore negore kwematani mamiriyoni 1.5, uye mari yose inotarisirwa kuva US $ 150 mamiriyoni.Pamusoro pezvo, Vale yakavhura imwe tailings filtration plant muGreat Varjin mining area, uye inoronga kuvhura mamwe matatu tailings filtration plant muchikamu chekutanga che2022, imwe yacho iri munzvimbo yemugodhi weBrucutu uye maviri ari muIraq.Tagbila migodhi nzvimbo.