MMO Anode rau Electrowinning

MMO Anode rau electrowinning yog dav siv rau electrolytic zus tau tej cov hlau zoo xws li kub, nyiaj, palladium thiab rhodium raws li zoo raws li hlau electrowinning ntawm tooj liab, Nickel, Cobalt, Manganese, Chromium, Zinc, thiab lwm yam.

Cov kua dej muaj txiaj ntsig los ntawm ntu rov tsim dua tshiab yog cov tshuaj acidic thiourea uas muaj sulfuric acid, uas kub thiab nyiaj muaj nyob rau hauv daim ntawv ntawm complex cations [AuSC(NH2)2]22 ntxiv thiab [AgSC(NH2)2]22 ntxiv ntawm thiourea. Thaum lub sij hawm electrowinning txheej txheem, cov complex ions ntawm kub yog txo kom precipitate kub nyob rau saum npoo ntawm lub cathode.

Sulfuric acid muaj nyob rau hauv kev daws raws li anion SO42-. Thaum lub sij hawm electrowinning txheej txheem, nws oxidizes thiab decomposes ntawm lub anode:

SO42 + 2e SO4

SO4 → SO3 + O2

Qhov tshwm sim cov pa oxygen ua ke nrog lwm cov atoms los yog khiav tawm los ntawm kev daws raws li cov pa roj. Thiab SO3 reacts nrog dej los tsim H2SO4.

Dawb thiourea thaum lub sij hawm electrolysis yuav muaj zog oxidize thiab decompose elemental sulfur ntawm lub anode, ua rau cov electrolyte cloudy, paug cov cathode precipitate thiab noj ib tug loj npaum li cas ntawm thiourea. Txhawm rau tshem tawm qhov kev puas tsuaj no, lub electrowinning ntawm cov kua noble yog ua nyob rau hauv lub cathode cheeb tsam ntawm lub diaphragm cell nruab nrog ib tug ion pauv membrane. Lub anolyte nyob rau hauv anode cheeb tsam ntawm lub diaphragm electrolyzer siv 2 feem pua ​​sulfuric acid tov. Cov ion txauv membrane muaj hluav taws xob zoo nrog cov kua permeability tsawg thiab muaj zog txhua yam txaus. Nws tso cai rau SO42- hla mus rau hauv thaj chaw cathode. Txawm li cas los xij, thiourea molecules tsis tuaj yeem nkag mus rau qhov sib cais thiab tsis tuaj yeem ncav cuag qhov chaw anode.

Kev yeej ntawm Copper, Nickel, Cobalt, Manganese, Chromium, Zinc tuaj yeem ua tiav nrog peb MMO Anode Rau Electrowinning los ntawm cov txheej txheem dej lossis dej pov tseg. Hlau yeej yog raws li electrochemical deposition ntawm hlau (Cu, Ni, Co, Cr, Zn) ntawm cathodes nyob rau hauv heev concentrated hlau ntsev electrolytes.

Cov txheej txheem no xav tau anodes uas tsis tshua muaj peev xwm, ruaj khov thiab tsis muaj kuab paug. MMO Anodes yog qhov kev xaiv zoo tshaj plaws rau electrowinning.

Cov kws tshaj lij engineers ntawm Di Noer Technology Co., Ltd. yeej ib txwm npaj los pab koj tsim koj cov txheej txheem customized thiab thickness kom tau raws li txhua tus neeg yuav tsum tau ua kom tiav siab purity ntawm cov deposited hlau, tsawg oxygen overpotential.

Feem ntau, cov anode siv hlau eletrowinning yog nyob rau hauv phaj los yog mesh zoo. Koj tuaj yeem xaiv MMO coated lossis lead dioxide coated titanium anode. Qhov loj tuaj yeem kho raws li qhov tshwj xeeb tsim cov cai ntawm cov neeg siv khoom.

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