Kubvisa Magnesium Yakachena Kubva Pasi Pasi
Magnesium ndiyo yechisere yechinhu chinowanikwa munharaunda yese uye yechinomwe inonyanya kuwanikwa muChipfuva chepasi. Inoshandiswa zvakasiyana-siyana mumhizha uye inokoshawo mumishonga. Inowanzoshandiswa sendiri ine aluminium; kuwedzera kwemagesium kunobatsira kuoma kwealuminium pasina kuipa kwekukanganisa mafungiro ayo, kushandiswa uye kushambadzira. Magnesium inoshandiswawo mu pyrotechnics uye inogona kubatsira kugadzirisa matumbo.
Pasinei nokuti iri nyore kuwana, magnesium haigoni kuwanikwa isina rusununguko. Somugumisiro, nzira dzakasiyana dzakasiyana dzakagadzirirwa kuparadzanisa magnesium kubva kune zvimwe zvinhu.
Magnesium Production Techniques
Zvichienderana nezvinzvimbo uye rudzi rwemashandisirwo ari kushandiswa, nzira dzakasiyana-siyana dzekugadzira dzinogona kushandiswa kugadzirisa magnesium metal. Izvi zvinokonzerwa nezvinhu zviviri. Chokutanga, magnesium yakawanda kwazvo, zvichiita kuti zviwanikwa munzvimbo dzakawanda zvive nyore. Chechipiri, kugadzirisa-kushandiswa kwekushandiswa kwaro kunodhura mutengo, iyo inokurudzira vatengi kuti varambe vachitsvaga mari yakaderera inogona kuwanikwa.
Kuwedzera kubva kuDolomite uye Magnesite Ore
Electrochemical processes inoshandiswa kubvisa simbi kubva ku dolomite uye magnesite ore. Apo dolomite inopwanyika, yakakangwa uye inosanganiswa nemvura yegungwa mumatangi makuru, magnesium hydroxide inogadzika kusvika pasi. Kunopisa, kusanganiswa mu coke, uye kugadzikana neklorini, zvino inogadzira yakagadzirwa magnesium chloride.
Izvi zvinogona kushandiswa, kusunungura magnesium, iyo inofamba ichienda kumusoro.
Kuwedzera kubva kuGungwa Munyu
Magnesium inobviswawo mumunyu marines, ane anenge 10 muzana yemagesium chloride. Iyo magnesium chloride pamitambo iyi ichiri ine huwandu hwemvura uye inofanira kuomeswa kuitira kuti magesium chloride anhydrous, asati agone kushandiswa kugadzira simbi.
Mvura yemunyu inogonawo kuva ne-high magnesium. Ikosi yekutanga yakagadzirwa kubva kumvura-mvura yakagadzirwa naDow Chemicals paHoweverport, Texas, muna 1948. Indaneti ye Freeport yakashandiswa kusvika muna 1998, asi, iye zvino, iye chete anogadzira munyu wemvura inonzi magnesium ndiro Dead Sea Magnesium Ltd. (Israel ); Kubatana pakati peIsrael Chemicals Ltd. uye Volkswagen AG.
Kuwedzerwa kuburikidza nePidgeon Process
Kwemakore makumi maviri apfuura, imwe yenzira dzisinganyanyobudirira dzekugadzirwa kwe magnesium dzine, zvisingaiti, inonyanya kuve yakawanda. Pidgeon Process, yakagadzirirwa naDkt. Lloyd Pidgeon, iyo yose isimba rekushanda nesimba uye rinoshanda rekupisa kwemafuta.
Muchiitiko ichi, magumo ekuvhara, nickel - chromium - steel alloy retorts yakazadzwa nemusanganiswa we calcined dolomite ore uye ferrosilicon, izvo zvinopisa kusvika korona yemamesizi. Rimwe nerimwe rinotora anenge maawa gumi nerimwe, rinoda kuzadza uye kubvisa zvigadziri, uye rinoshandisa madononi gumi nematanhatu emhando yezvinhu zvakagadzirwa nemhando imwechete ye magnesium inogadzirwa.
Chikonzero chekushandiswa kwakanyanya kwePidgeon Process inokonzerwa nekuchinja kwekugadzirwa kumapuroza emari emaodzanyemba nechepakati peChina apo mari yebasa uye simba inonyanya kuderera kupfuura mune mamwe magetsi anobudisa zvikamu.
Maererano neMagnesium.com, muna 1992, China yakabudisa matani 7,388 chete emagesi. Pakazosvika gore ra2010, nhamba iyi yakafungidzirwa neUnited States Geological Survey (USGS) kuva matareji 654 000 kana kupfuura 85% yekushambadzira kwenyika yose.
Nyika dzakawanda kunze kweChina dzichiri kubudisa magnesium, kusanganisira Russia, Israel, Kazakhstan, uye Canada. Zvisinei, maererano nehuwandu hweUSGS, kubudiswa kwegore negore mune imwe neimwe yenyika idzi kunopfuura makumi mana makumi mana.