Zoo ntawm nws yog xim hlau silicon
(1) ntau yam khoom siv
Txhuas alloys: txhim kho lub zog, castability, thiab corrosion tsis kam.
Silicones & Polymers: Siv hauv cov tshuaj ntxig, roj nplua nyeem, thiab cov khoom siv kho mob.
Semiconductors & Electronics: ultra-high-siab-turity silicon yog qhov tseem ceeb rau cov microchips thiab lub hnub ci.
Photovoltaics (PV): Tus caj qaum ntawm lub hnub ci vaj huam sib luag tsim.
(2) Cov khoom siv raw
Silicon yog qhov thib ob feem ntau muaj nyob hauv lub ntiaj teb crust (tom qab oxygen), feem ntau nyob ntawm quartz (sitio₂).
Cov peev txheej loj hauv Suav teb, Brazil, Norway, thiab Asmeskas ua kom cov saw ruaj khov.
(3) raug nqi rau huab hwm loj ntau lawm
Metallurgical-Qib Silicon (~ 98-99. 5% purity) yog tus nqi qis dua piv rau lwm txoj hauv kev siab.
Kev lag luam ntawm cov teev nyob hauv Suav teb thiab hydropower-raws li cov cheeb tsam khaws cov nqi sib tw.
(4) Qhov tseem ceeb rau kev hloov hluav taws xob ntsuab
Hnub ci-qib silicon (sog-si) ua kom muaj lub zog loj dua tshiab.
Txhawb hluav taws xob tsheb (EVS) thiab lub zog cia los ntawm cov ntawv thov semiconductor.
(5) siv dua tshiab
Silicon scrap los ntawm kev tsim khoom tuaj yeem yog rov ua dua, txo cov khib nyiab.
Silicon-based khoom (piv txwv li, hnub ci panels, khoom siv hluav taws xob, muaj nce zuj zus.
Qhov tsis zoo ntawm nws yog xim hlau silicon
(1) Kev siv hluav taws xob ntau hauv ntau lawm
Fais arc rauv taws (EAF) smors (EAF) smelting yuav tsum 12, {}}} kwh ib tuj ntawm silicon.
Pab txhawb cov pa roj carbon emissions hauv cov cheeb tsam ntawm cov neeg siv tog (piv txwv li, xinjiang, Suav teb).
(2) Kev muaj kuab paug nyob ib puag ncig
Kev thau sib cais los ntawm carbothermic txo (siio₂ + c → SI + CO).
Silica plua plav thiab fugitive emissions pose kev phom sij rau kev noj qab haus huv.
Slag khib nyiab (muaj impurities li FE, AL, CA) yuav tsum tau muab pov tseg kom raug.
(3) Purity nyuaj rau cov tech tech siab
Metallurgical-qib silicon (mg-si, 98-99. 5%) yog tsis haum rau cov khoom siv hluav taws xob \/ hnub ci.
Cov txheej txheem lim dej (Siemens, FBR) yog kim thiab lub zog-intensive.
(4) Geopolitical & Cov Khoom Siv Hluav Taws Xob Cov Khoom Siv Hluav Taws Xob
Tuam Tshoj ua qauv ~ 70% ntawm kev tsim khoom thoob ntiaj teb, tsim kev pheej hmoo.
Txwv kev txwv (piv txwv li, US-Tuam Tshoj TARIFF) tuaj yeem cuam tshuam cov hlua khi.
(5) Cov nqi tsis sib xws
Cuam tshuam los ntawm cov nqi zog, cov cai tswjfwm ib puag ncig, thiab thov kev hloov pauv.
Hnub ci kev lag luam booms (piv txwv li, {2021-2023 polysilicon tsis txaus) ua rau tus nqi spikes.
Cim npe nrov: Qhov Zoo thiab Qhov Tsis Zoo ntawm Silicon Hlau, Tuam Tshoj Zoo thiab Qhov Tsis Zoo ntawm Silicon Cov Hlau Manufacturers, lwm tus neeg, Hoobkas