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Tenga Metals uye Minerals

Iwe Uri Pano: Imba>ZVATINOITA>Tenga Metals uye Minerals

Tantalum
mhangura-5
Tantalum
mhangura-5

Tantalum Niobium Ore Mine Concentrates


muvhunzo
tsananguro

The Tantalum Niobium Ore uye giravhiti tinotenga:


Ta

> 20%

Nb

 > 2%



Tantalum Production

Refening

Kucheneswa kwetantalum kubva kune ores yayo ndeimwe yezvinoda kuparadzanisa maitiro muindasitiri simbi. Dambudziko guru nderekuti tantalum ores ine huwandu hwakakura hweniobium, iyo ine makemikari zvimiro zvakada kufanana neayo eTa. Nhamba huru yemaitiro akagadzirwa kugadzirisa dambudziko iri.

Munguva dzazvino, kupatsanurwa kunowanikwa ne hydrometallurgy. Kubvisa kunotanga nekubvisa simbi nehydrofluoric acid pamwe chete nesarufa asidhi kana hydrochloric acid. Iyi nhanho inobvumira tantalum uye niobium kuti iparadzaniswe kubva kune akasiyana-siyana asina simbi tsvina mudombo. Kunyangwe Ta ichiitika semaminerari akasiyana, inomiririrwa zviri nyore sepentoxide, sezvo maokisi akawanda etantalum(V) anoita zvakafanana pasi pemamiriro aya.

Kugadzirwa kweNiobium

Mushure mekuparadzaniswa kubva kune mamwe maminerari, iyo yakasanganiswa oxides ye tantalum Ta2O5 uye niobium Nb2O5 inowanikwa. 
Zvidiki zvidiki zveoxidizers senge sodium nitrate inowedzerwa kuwedzera maitiro. Mhedzisiro yacho ndeye aluminium oxide uye ferronobium, alloy yesimbi uye niobium inoshandiswa mukugadzirwa kwesimbi.Ferroniobium ine pakati pe60 ne70% niobium. Pasina iron oxide, iyo aluminothermic process inoshandiswa kugadzira niobium. Kumwe kucheneswa kunodiwa kuti usvike giredhi re superconductive alloys. Electron danda kunyunguduka pasi pevacuum ndiyo nzira inoshandiswa nevatambi vakuru vaviri ve niobium.

Magadzirirwo

Chiratidzo: Ta

Atomic nhamba: 73

Poindi yekuvira: 9,854°F (5,457°C)

Kunyungudika: 5,468°F (3,020°C)


Chiratidzo: Nb

Atomic nhamba: 41

Poindi yekuvira: 8,571°F (4,744°C)

Kunyungudika: 4,476°F (2,469°C)


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