Titanium Anode phaj

Sodium hypochlorite generators tau muab faib ua ob pawg: kev huv huv thiab tshuaj tua kab mob thiab kev tiv thaiv ib puag ncig raws li lawv siv. Cov titanium anodes tam sim no tsim los ntawm peb lub tuam txhab yog siv rau hauv kev huv thiab tshuaj tua kab mob: sodium hypochlorite generators uas ncaj qha ntsig txog tib neeg kev noj qab haus huv, xws li tshuaj tua kab mob hauv pas dej da dej, tshuaj ntxuav tais diav, thiab tshuaj tua kab mob zaub mov. Hais txog kev tiv thaiv ib puag ncig, feem ntau yog hypochlorous acid rau tsev kho mob cov dej phwj tuaj kho thiab ntau yam kev kho dej khib nyiab.

Lub hauv paus ntsiab lus ntawm kev tsim sodium hypochlorite los ntawm txoj kev electrode yog siv diaphragm-dawb electrolysis los tsim sodium hypochlorite los ntawm homogeneous cov tshuaj tiv thaiv theem nrab. Lub hauv paus ntsiab lus ntawm cov tshuaj tiv thaiv anode yog electrolyze sodium chloride (cov ntsiav tshuaj duab) pov rau hauv pas dej da. Thaum electrolysis, sodium hypochlorite yog tsim. Qhov zoo tshaj plaws ntsev concentration yog 3% -5%. Cov electrodes siv nyob rau hauv lub tshuab hluav taws xob sodium hypochlorite muaj xws li phaj electrodes thiab raj electrodes. Cov khoom siv anode tuaj yeem yog coated titanium electrode. Cov sib xyaw oxide coated titanium anode muaj lub neej ntev kev pab cuam, thiab lub overpotential ntawm no coated titanium anode kuj tsis tshua muaj, cov tshuaj chlorine evolution tam sim no efficiency siab, thiab lub zog txuag cov nyhuv yog zoo.

Cov khoom siv cathode feem ntau yog ua los ntawm stainless hlau, ntshiab titanium lossis titanium alloy. Vim tias cov hlau tsis muaj hlau nyob hauv lub xeev cathodic polarization, nws tuaj yeem ruaj khov thiab corrosion-resistant thaum ua haujlwm, tab sis cov electrolyte yog corrosive heev. Yog li ntawd, tom qab lub hwj chim tsis ua hauj lwm, cov electrolyte yuav tsum tau muab tshem tawm los yog tso tawm tam sim ntawd kom tsis txhob muaj tshuaj corrosion. Rau cov tshuaj tiv thaiv hydrogen evolution, hlau-raws li alloys feem ntau muaj ib tug nruab nrab overpotential, tab sis lawv corrosion kuj tsis zoo li cov titanium. Titanium thiab titanium alloys yog corrosion-resistant ntau dua, tab sis tam sim no efficiency qis dua thaum npaj NaClO, thiab lub cell voltage yog siab dua.

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