Kev npaj cov khoom siv raw: Cov khoom siv tseem ceeb rau cov hlau silicon yog silicon dioxide (SiO2) thiab txo cov neeg ua haujlwm rau smelting, xws li roj av coke thiab charcoal. Cov khoom siv raw yuav tsum tau crushed, hauv av thiab lwm yam kev ua haujlwm, txhawm rau txhim kho cov tshuaj tiv thaiv ceev thiab txo cov nyhuv.
Smelting txo: Tom qab sib tov cov ntaub ntawv raw, nws yog muab tso rau hauv ib tug kub hluav taws xob rauv rau smelting txo. Thaum kub kub, tus neeg sawv cev txo qis reacts nrog silica los ua silicon hlau thiab qee cov khoom los ntawm cov khoom, xws li carbon monoxide. Cov txheej txheem melting yuav tsum tswj qhov kub thiab txias, huab cua thiab lub sijhawm tshuaj tiv thaiv kom paub meej cov tshuaj tiv thaiv tiav.
Kev sib cais thiab purification: Tom qab txias, cov khoom melted yog sib cais thiab purified. Kev siv lub cev, xws li kev sib cais sib nqus thiab sib nqus sib nqus, feem ntau yog siv los cais cov hlau silicon los ntawm cov khoom lag luam. Tom qab ntawd cov txheej txheem tshuaj, xws li kua qaub ntxuav thiab soluble, yog siv los tshem tawm impurities thiab txhim kho cov purity ntawm silicon hlau.
Refining kho: Txhawm rau txhim kho qhov purity thiab zoo ntawm silicon hlau, kev kho kom zoo kuj tseem yuav tsum tau ua. Feem ntau siv cov txheej txheem refining muaj xws li txoj kev redox, txoj kev electrolysis thiab lwm yam. Los ntawm cov txheej txheem no, cov impurities hauv silicon hlau tuaj yeem raug tshem tawm, thiab nws cov purity thiab crystal qauv tuaj yeem txhim kho.
Tom qab cov kauj ruam saum toj no, cov hlau silicon tau tuaj yeem ua tiav rau hauv cov khoom sib txawv thiab cov lus qhia tshwj xeeb. Cov khoom siv feem ntau muaj xws li silicon wafers, silicon rods, silicon hmoov, thiab lwm yam, uas yog siv rau hauv electronics, photovoltaics, hnub ci zog thiab lwm yam. Txawm li cas los xij, nws yuav tsum raug sau tseg tias cov txheej txheem ntawm cov hlau silicon tuaj yeem sib txawv raws li cov tuam txhab sib txawv thiab cov khoom yuav tsum tau ua, thiab cov kauj ruam saum toj no tsuas yog qhia luv luv ntawm cov txheej txheem dav dav.
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