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Txheej txheem kev nthuav dav ntawm kev lag luam hafnium

Jinzhou Pob Zeb Trading Co., Ltd | Updated: Apr 06, 2021

Xyoo 1925, German AEVan Arkel thiab JH Deboer thawj zaug siv cov cua sov sib cais ntawm iodide los tsim cov hlau hafnium. Lub hafnium tsim los ntawm iodide thermal dissociation txoj kev yog ntawm siab purity thiab tuaj yeem ua tau raws li purity yuav tsum ntawm kev lag luam atomic zog, tab sis nws tau maj mam hloov los ntawm lwm txoj kev vim tias nws cov peev xwm me me, kev siv lub zog loj thiab tus nqi siab.

Xyoo 1940, WJKroll, tus kws paub txog Luxemburg, tau tsim ib txoj hauv kev los tsim cov nplai titanium los ntawm kev txo cov titanium tetrachloride nrog magnesium. Vim tias cov khoom zoo sib xws ntawm hafnium tetrachloride thiab titanium tetrachloride, cov txo kev siv magnesium tseem siv hauv kev tsim cov hafnium thiab dhau los ua cov qauv tseem ceeb ntawm cov hlau hafnium.

Qhov sib cais ntawm zirconium thiab hafnium technology kuj tseem txhim kho. Hauv xyoo 1950, cov tebchaws sab hnub poob tau pib siv ob qhov txheej txheem los ntawm Tsoomfwv Meskas Lub Tebchaws Atomic Energy Commission los tsim cov tshuaj pleev ib qho me me aub nqus cua. Hauv lub xyoo 1970, txheej txheem txheej txheem txheej txheem siab kub siab kub ntawm zirconium tau tsim tiav. Thaum kawg ntawm xyoo 1970, ntau lub teb chaws tau tshawb fawb txog kev txhim kho cov txheej txheem, uas Fabkis tau thov cov txheej txheem hluav taws sib cais los ntawm kev tshawb nrhiav 10 xyoo. Tom qab ntawd, Nyijpooj tau tsim cov txheej txheem ntawm extracting zirconium thiab hafnium hauv sulfuric acid tov nrog trioctanamine (paub tias yog N235 hauv Suav Teb) tom qab alkali fusion ntawm zirconite. Tam sim no, zirconium thiab hafnium sib cais tshuab tuaj yeem muab faib sib cais ntub dej sib cais thiab hluav taws sib cais muaj ob hom, daim ntawv thov kev vam meej ntawm kev siv tshuab hluav taws xob hauv kev lag luam ntau yog zirconium hafnium molten ntsev distillation txoj kev, tshuab thev naus laus zis yog cov kuab tshuaj tawm.

Nrog kev txhim kho ntawm hafnium kev tsim khoom thev naus laus zis, cov zis thiab cov ntawv thov ntau ntawm hafnium yog nce zuj zus. Hauv xyoo 1950, lub reactor ntawm thawj lub teb chaws Asmeskas lub zog-nkoj submarine thawj zaug siv hafnium ua tus tswj pas nrig. Hauv 1980s Tebchaws Asmeskas siv thaj tsam nruab nrab ntawm 26 tons hafnium ib xyoos rau kev tsim hluav taws xob nuclear, feem ntau yog siv rau kev ua tub rog thiab dav hlau.


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