Txhawm rau txo cov pa roj carbon monoxide hauv kev lag luam aluminium thiab ua tau raws li cov kev xav tau ntawm cov kev lag luam hauv qab, ntau cov ntaub ntawv tseem ceeb tshaj tawm nyob rau xyoo tas los no tau hais txog kev tshawb fawb thiab kev tsim kho kev txhawb nqa rau kev lag luam txhuas thiab kev tsim kho kev lag luam.
Piv txwv li, "Cov Lus Qhia Txog Kev Siv Cov Khoom Siv Hauv Cov Khoom Siv Hauv Lub Sijhawm 14th Tsib Xyoo" tau tshaj tawm txhawb kom rov ua kom cov hlau, alkali, thiab alumina rov qab los ntawm cov av nkos liab, thiab kev rov qab los ntawm cov khoom tseem ceeb xws li cov hlau tsis tshua muaj tawg thiab tawg. tsawg precious hlau los ntawm smelting slag. , txhim kho kev siv cov peev txheej ntawm cov pob zeb hauv av, ua kom muaj kev ruaj ntseg hauv lub tebchaws, thiab maj mam nce qhov kev siv dav dav ntawm smelting slag.
