VALE tshaj tawm thaum Lub Peb Hlis 16 tias lub tuam txhab tau pib ua haujlwm ntawm cov tailings pervjen kev ua haujlwm hauv chaw ua haujlwm. Qhov no yog thawj zaug tailings pertration cog npaj rau qhib los ntawm Vale hauv Minas Gerais. Raws li txoj kev npaj khomob, Vale yuav nqis peev rau tag nrho peb $ 2.3 nphom hauv kev tsim kho ntawm cov tailings peraltration cog ntawm 2020 thiab 2024.
Nws tau to taub tias kev siv cov kws xaws lim pom kev tuaj yeem tsuas yog nce qib siab, tab sis tseem txhim kho qhov chaw nres tsheb nruab nrab ntawm cov chaw ua haujlwm ntub dej. Tom qab cov hlau ore tailings yog lim, cov ntsiab lus dej tuaj yeem raug txo qis tsawg kawg, thiab feem ntau ntawm cov khoom siv hauv cov tailings, yog li txo qhov kev vam ntawm lub pas dej tauv. Vale tau hais tias lub tuam txhab npaj qhib thawj lub chaw lim dej hauv tebchaws 2021, thiab qhov chaw ua haujlwm thib ob hauv kev sib xyaw ua ke hauv 2022. Plaub tus kws xaws hniav lim Yuav muab cov kev pabcuam rau tus lej ntawm cov hlau ore concentrators nrog tag nrho cov peev txheej ntau lawm ntawm 64 lab tons / xyoo.
VALE tshaj tawm hauv "2020 cov ntawv tshaj tawm thiab muag khoom" tso tawm rau Lub Ob Hlis 3, 2021 uas nyob rau lub Ob Hlis 3, 2021, raws li Lub Tuam Txhab Tsis Muaj. Nws yog nyob rau theem kawg ntawm kev tsim kho. Cov tailings pov tseg ntawm qhov txuj ci tseem ceeb tsis muaj 3 lub pas yuav suav tau kwv yees li 30% ntawm txhua tus tailings tsim thaum ua haujlwm. Qhov qhib ntawm cov tailings pertration cog rau hauv Davarration muaj kev ua haujlwm ruaj khov yog lwm yam tseem ceeb thiab rov ua dua tshiab ntawm 400 lab tons los ntawm 2022.