Dab tsi yog keeb kwm luv luv ntawm magnesium hlau?
Magnesium hlau los ntawm kev tshawb pom mus rau qhov kev paub tam sim no 196 xyoo keeb kwm (1808 ~ 2004), kev tsim khoom lag luam tau 18 xyoo (1886 ~ 2004) keeb kwm. Thaum lub sij hawm no 118 xyoo, kev loj hlob ntawm magnesium tau muab faib ua peb theem:
(1) Chemical method theem.
Xyoo 1808 tus kws tshawb fawb Askiv H. Davey cais magnesium los ntawm magnesium chloride. Xyoo 1929, tus kws tshawb fawb Fabkis txoj A. Busi tau siv cov tshuaj potassium los yog sodium vapor txo molten magnesium chloride kom tau hlau magnesium. Nws tsis yog txog thaum xyoo 1860 uas Tebchaws Askiv thiab Amelikas tau pib tshuaj magnesium ntxiv me ntsis. Cov theem no tau siv sijhawm 78 xyoo (1808-1886), tab sis tsis tsim ib qho kev lag luam.
(2) Theem ntawm molten ntsev electrolysis. Xyoo 1830, Tus kws tshawb fawb Askiv M. Faraday thawj zaug tau txais cov magnesium ntshiab los ntawm txoj kev electrolytic melting magnesium chloride. Nyob rau hauv 852 P. Benn tau ua ib txoj kev tshawb fawb ntxaws ntxiv ntawm cov qauv no hauv chav kuaj kom txog thaum muaj kev tsim khoom ntawm magnesium pib hauv lub teb chaws Yelemees xyoo 1886. Tom qab xyoo 1886, qhov kev thov rau magnesium tau nce ntxiv. Txij li xyoo 1970s, lub cev qhuav dej ntawm magnesium chloride hauv brine hauv HCl roj - txoj kev electrolysis tau dhau los ua cov txheej txheem thev naus laus zis.
(3) Thermal txo theem.
Vim tias qhov kev thov ntau ntxiv rau magnesium, kev tsim cov magnesium los ntawm electrolysis ib leeg tsis tuaj yeem ua tau raws li qhov xav tau ntawm magnesium, yog li ntau tus kws tshawb fawb los ntawm cov txheej txheem tshuaj, smelting ntawm hlau magnesium los ntawm thermal txo txoj kev. Lub tshuab nqus tsev thermal txo cov txheej txheem ntawm magnesium chloride tau pib hauv xyoo 1913. Thawj qhov txo qis ntawm magnesium chloride siv silicon li A txo tus neeg sawv cev tau tsim nyob rau xyoo 1924 los ntawm ntau X anhydrin A. φ. Allah tshuav shev lub realization. Xyoo 1932, Anji hu thiab Arahun Shev tau siv al-si alloy li txo tus neeg sawv cev kom txo tau magnesium chloride. Xyoo 1941, LM pijiang, tus xibfwb ntawm University of Toronto, Canada, tau tsim ib lub chaw tsav tsheb hauv Ottawa rau smelting magnesium los ntawm calcination ntawm dolomite los ntawm kev txo cov ferrosilicon, thiab ua tiav. Xyoo 1942, tsoomfwv Canadian tau tsim ib lub tshuab hluav taws xob thermal magnesium cog ntawm Halley Dolomite mine nrog lub peev xwm txhua xyoo ntawm 5000 hlau magnesium. Pijiang smelting ntawm magnesium hlau tau dhau los ua qhov thib ob loj tshaj plaws kev lag luam smelting ntawm magnesium hlau txoj kev.
Xyoo 1947, Fabkis tau pib kawm txog cov txheej txheem ntawm kev tsim ib nrab ntawm cov silicon thermal smelting magnesium hlau. Xyoo 1950, tau tsim lub tshuab ua kom nthuav dav ntxiv. Nyob rau hauv 1959, thawj semi-nruam thermal silicon magnesium cog nrog ib hnub tso zis ntawm 2t magnesium tau tsim. Semi-nruam smelting ntawm magnesium (piv txwv li, slag conductive semi-nruam txo qhov cub) tau dhau los ua ib qho ntawm cov txheej txheem thev naus laus zis hauv kev lag luam magnesium.
