Thaum rho tawm cov hlau cov ore yog ci yog tias nws yog?

Cov txheej txheem:

Thaum rho tawm cov hlau cov ore yog ci yog tias nws yog?
Thaum rho tawm cov hlau cov ore yog ci yog tias nws yog?
Anonim

Nyob rau hauv roasting, cov ore los yog ore concentrate yog kho nrog cua kub heev. Cov txheej txheem no feem ntau yog siv rau cov zaub mov sulfide. Thaum lub sij hawm ci, cov sulfide hloov mus rau an oxide, thiab sulfur yog tso tawm raws li sulfur dioxide, roj.

Yuav ua li cas yog lub npe ore uas rho tawm los ntawm roasting?

Roasting yog cov txheej txheem ntawm cov cua kub concentrated ore mus rau qhov kub siab nyob rau hauv lub xub ntiag ntawm huab cua. Lub ore zinc blende yog ci kom tau zinc oxide. Piv txwv: Zinc sulphides yog oxidized rau zinc oxide.

Vim li cas roasting exothermic?

The txheej txheem cua sov ntawm ore mus rau qhov kub siab nyob rau hauv lub xub ntiag ntawm huab cuayog lub npe hu ua roasting. Yog li, nqe lus 'nws yog txheej txheem ntawm cov cua sov ore hauv huab cua kom tau txais cov oxide' yog qhov tseeb. Thaum lub sij hawm roasting, ib tug loj npaum li cas ntawm acidic, metallic thiab lwm yam toxic compounds raug tso tawm. Yog li, roasting yog txheej txheem exothermic.

Yuav ua li cas rho tawm cov hlau los ntawm cov ore?

txheej txheem ntawm rho tawm cov hlau los ntawm lawv cov ores hu ua metalurgy. Cov txheej txheem ua haujlwm hauv kev rho tawm cov ore nyob ntawm qhov xwm txheej ntawm cov ore thiab cov impurities tam sim no hauv nws.

Yuav ua li cas ore roasting tiav?

Sulphide ores yog roasted los hloov lawv cov oxides, vim oxides tau yooj yim txo rau hlau dua sulphides.

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