Arsenic-cobalt ore yog ua tiav kom tau txais ib qho kev xav muaj {1}}% cobalt, uas muaj {2}}% arsenic. Muaj ob txoj hauv kev rau kev ua cov arsenic-cobalt ore. Ib qho yog thawj zaug smelt lub ore siv cov txheej txheem pyrometallurgical los tsim cov txheej txheem roj av, thiab tom qab ntawd siv cov txheej txheem hydrometLurgical los rho tawm cov cobalt. Lwm tus yog siv siab leaching los tsim ib tug cobalt-muaj kev daws teeb meem, los ntawm qhov uas cobalt yog tom qab ntawd rho tawm. Tuam Tshoj siv cov txheej txheem qub: tus mloog zoo yog smelted nyob rau hauv ib tug reverberic rauv lossis hluav taws xob ua ke rau cov kab mob raws cai thiab kev tsim cov tawv ncauj ua ke (yav dhau los hu ua daj pluaj). Yog tias cov khoom siv raw muaj cov neeg Sulphur siab, qee qhov cobalt matte kuj tau tsim tawm. Arsenic cobalt thiab cobalt matte yog hauv av thiab ci mus rau ntxiv tshem tawm arsenic thiab leej faj. Lub ore roasted yog leached nrog dilute sulfuric acid, thiab cov hlau nyob rau hauv cov kev daws teeb meem yog oxidised nrog sodium hypochlorite. Cov pH tom qab ntawd hloov kho rau 3-3.5 nrog dej qab zib rau precipitate cov hlau ua hlau oxide thiab hlau arsenate. Qhov filtrate yog decoppered los ntawm hloov lub tooj liab nrog cov ntawv pov thawj hlau, thiab tom qab ntawd cobalt yog oxidised nrog sodium hypochlorite. Lub cobalt hydroxide tau sib cais los ntawm cov npib tsib xee los ntawm kev ntxiv alkali rau hydrolyne nws thiab ua qhov siab-valent fydalt precroxide nag los nag. Lub cobalt hydroxide yog calcined nyob rau hauv ib tug reverberatory rauv taws thaum 1000-1200 degree kom tau txais cov roj sulphalt rau hauv nws los tshem tawm cov neeg Sulphur. Kev ntsuas hluav ncaig yog tom qab ntawd ntxiv thiab sib tov yog txo kom tsis txhob muaj xim hlau los yog xim hlau cobalt ntawm ib ncig ntawm 1000 degree hauv ib lub Kiln qeeb. Cobalt Hydroxide kuj tseem tuaj yeem smelted rau hauv crude cobalt hlau, thiab tom qab ntawd electrolyzed kom tau hluav taws xob cobalt. Kev ua kom tiav cov txheej txheem ntawm cov ore roast tuaj yeem sib cais thiab muab rho tawm siv tib txoj kev uas yog cov txiv ntoo uas ua rau ploj mus rau cov kab tsib.
Lub siab cov kua qaub qias neeg rau kev kho cov arsenic-cobfals concenting nrog kev ua haujlwm ntawm lub zog ntawm 35 kgf / cms ntawm 190 degree rau 3-4 teev. Tus nqi ntawm kev cobalt yog 95-97%. Tom qab cov kev ua kom huv yog ua kom huv ntawm impurities xws li arsenic, kua ammonia ntxiv rau kev cobalal-ammonia complex. Cobalt complex yog txo nrog hydrogen hauv autoclave kom tau txais cov hmoov cobaltes. Cov kev khiav hauj lwm siab yog 50-55 kg / cm / cm2 thiab qhov ntsuas kub yog 190 degree. Tooj liab thiab cobalt ores tau ua tiav kom tau txais ib tug oxide tsom rau thiab ib leeg sulfide mloog. Tus oxide xav tias muaj 25% tooj liab thiab 1.5% cobalt, thaum lub txiv duaj siab nyias muaj 45% tooj liab thiab 2.5% cobalt. Tus txiv neej sulf sab yog thawj lub roasted nrog sulfuric acid nyob rau hauv lub roosle kua roaster, thiab tom qab ntawd lub ore roe ua ke nrog oxide concentrolysis ua kua ua kua. Cobalt hauv oxide xav tau yog tsuas yog nyob rau hauv daim ntawv ntawm lub trunent oxide, uas muaj solubility tsawg heev hauv sulfuric acid. Txawm li cas los xij, nyob rau hauv cov tooj pob hluav taws xob pov tseg, cobalt yuav raug txo los ntawm ferous ions hauv nws thiab yaj nyob rau hauv electrolysis pov tseg kua. Co 3+ (insoluble) + fe {21}}} (soluble) + fe {24}}. Tus nqi ua si ntawm cobalt yuav mus txog 95-96%. Lub paseCate muaj cobalt thiab tooj yog electrolyzed rau nag tooj los tooj daus, thaum cob cov hlau impurities nyob hauv kev daws. Tom qab tshem tawm cov impurities, cov cobalt nyob rau hauv kev daws yog precipitated nrog mis nyuj ntawm txiv qaub yog electrodeposited siv cov khoom siv insoluble.
