Alloy ntawm Hlau Thiab Vanadium

Ferrovanadiumyog ib qho hlau uas muaj hlau thiab vanadium, feem ntau yog siv los ua ib qho ntxiv los txhim kho qhov zoo thiab lub zog ntawm cov hlau. Nws yog tsim los ntawm ob-kauj ruam txheej txheem: vanadium extraction thiab alloying nrog hlau. Hauv cov lus teb no, peb yuav tshawb xyuas cov txheej txheem kom ntxaws, ib kauj ruam dhau los.

Vanadium Extraction:

Vanadium Ore Mining: Thawj kauj ruam hauv kev tsim cov ferrovanadium suav nrog kev mining vanadium-bearing ores. Vanadium muaj nyob rau hauv ntau yam minerals, xws li vanadinite, carnotite, thiab roscoelite. Txawm li cas los xij, feem ntau qhov chaw ntawm vanadium yog vanadium-bearing magnetite thiab ilmenite ores.

Concentration: Thaum cov vanadium ore raug mined, nws mus los ntawm cov txheej txheem concentration. Cov ore yog crushed thiab hauv av, thiab ces nws undergoes sib nqus sib cais los cais cov vanadium-nplua nuj magnetite los yog ilmenite los ntawm lwm yam minerals.

Roasting: Cov concentrated ore yog ces raug rau roasting. Roasting muaj cua sov cov ore ntawm qhov kub thiab txias thaum muaj cov pa oxygen lossis cua. Cov txheej txheem no hloov cov vanadium-muaj cov zaub mov rau hauv vanadium oxide (V2O5), uas yog thawj cov khoom siv hauv ferrovanadium ntau lawm.

Leaching: Cov roasted ore yog ces leached nrog ib tug tov, feem ntau sulfuric acid, kom rho tawm cov vanadium los ntawm oxide. Cov txheej txheem no dissolves vanadium nyob rau hauv daim ntawv ntawm vanadyl sulfate (VOSO4).

Purification: Cov tshuaj vanadyl sulfate tau los ntawm leaching yog ntxiv purified kom tshem tawm impurities xws li hlau, txhuas, thiab silica. Cov txheej txheem purification no suav nrog ob peb kauj ruam, suav nrog kev tshem tawm cov kuab tshuaj, nag lossis daus, thiab lim.

Vanadium Reduction: Cov tshuaj purified vanadyl sulfate tom qab ntawd txo kom tsim vanadium pentoxide (V2O5). Kev txo qis feem ntau yog ua los ntawm kev siv cov tshuaj txo qis, xws li hydrogen gas (H2), nyob rau hauv qhov cub kub. Cov tshuaj tiv thaiv tsim vanadium pentoxide hmoov, uas yog thawj raw khoom siv nyob rau hauv zus tau tej cov ferrovanadium.

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