Raws li tsab ntawv ceeb toom, Vale, lub ntiaj teb loj tshaj plaws tsim cov hlau ore thiab npib tsib xee, tsis ntev los no tau hais tias nws thawj lub tuam txhab hlau ore briquette tau pib kuaj ntawm Tubaro Unit hauv Vitória, Brazil, qhia tias kev tsim khoom yuav tshwm sim.
Cov tshuaj nplaum thev naus laus zis ua rau cov khoom siv dag zog ua kom lub zog ntawm cov khoom thaum txo cov pa roj carbon monoxide emissions los ntawm 10 feem pua ntawm cov txheej txheem tsim khoom thaum piv rau cov txheej txheem blast furnace. Briquettes kuj tseem siv tau los hloov cov pellets hauv txoj kev txo qis.
Ib qho ntawm Vale ob lub chaw briquette hauv Tubaro yuav qhib rau xyoo no, nrog rau lwm qhov uas yuav qhib rau xyoo tom ntej, nrog kev tsim khoom txhua xyoo ntawm 6 lab tons thiab tsim 2,300 txoj haujlwm tsim kho.,
