anode ea titanium
Titanium anode (eo hape e tsejoang e le titanium-based metal oxide coated anode, DSA, Dimensionally Stable Anode) ke lisebelisoa tsa elektrode tse sebetsang hantle tse sebelisoang haholo lefapheng la electrochemistry. E na le khanyetso e ntle ea kutu, ts'ebetso e phahameng ea catalytic le bophelo bo bolelele.
1. Litšobotsi tsa mantlha tsa anode ea titanium
- Botsitso ba Dimensional: Sebaka sa li-electrode se lula se sa fetohe nakong ea ts'ebetso ea electrolysis, ho netefatsa hore motlakase oa sele o tsitsitse.
- Khanyetso e matla ea kutu: E loketse acid e matla, alkali e matla le mecha ea litaba e nang le Cl⁻, e nang le khanyetso ea kutu e fetang hole ea graphite le anode ea lead.
- Matla a tlase a sebetsang: A na le matla a tlase bakeng sa ho iphetola ha oksijene / chlorine, ho boloka matla a 10% -20%.
- Bophelo bo bolelele: indastering ea chlor-alkali, nako ea bophelo e ka fihla lilemo tse 6, athe graphite anode ke likhoeli tse 8 feela.
- Boitšoaro bo phahameng ba hona joale: E tšehetsa 17A/dm² (graphite anode ke 8A/dm² feela), e ntlafatsa katleho ea tlhahiso.
2. Libaka tsa kopo tse ka sehloohong
(1) Indasteri ea Chlor-alkali
- Electrolysis ea brine ho hlahisa chlorine le caustic soda, titanium anode e ka fokotsa matla a sele le ho ntlafatsa bohloeki ba chlorine.
- Fetola anode ea graphite ho qoba tšilafalo ea electrolyte.
(2) Ho hloekisa metsi a litšila
- Electrocatalytic oxidation: Senya lintho tsa tlhaho ha ho hatisoa le ho daea, ho etsa meriana le ho pheha metsi a litšila, ka sekhahla sa ho tlosa COD se fihlang ho 90%.
- Jenereithara ea sodium hypochlorite: brine ea Electrolyze ho hlahisa sebolaea-mafu, se sebelisetsoang likhoerekhoere tsa sepetlele le ho hloekisa metsi a letamo la ho sesa.
- Phekolo ea metsi a litšila: Electrolytic recovery metal radioactive joalo ka uranium le plutonium.
(3) Indasteri ea electroplating
- E sebelisoa bakeng sa ho roala nickel, chromium plating, khauta ea khauta, joalo-joalo ho ntlafatsa ho tšoana ha lesela la plating le ho fokotsa tšilafalo ea tharollo.
- Phetoho ea oksijene e fetelletseng ke 0.5V e tlase ho feta ea anode ea lead, e bolokang matla haholo.
(4) Electrolytic metallurgy
- Ntša litšepe tse kang koporo, zinki le nickel, nka sebaka sa anode ea lead, 'me u qobe tšilafalo ea cathode.
- E loketse maemo a phahameng a hona joale (joalo ka 8000A/m²) le maemo a moqotetsane a li-inter-electrode (5mm).
(5) Ho hlahisa matla a macha le haedrojene
- Tlhahiso ea haedrojene ka electrolysis ea metsi: Fokotsa phetoho ea oksijene ho feta tekano le ho ntlafatsa ts'ebetso ea matla.
- Betri ea boemo bo tiileng: e sebelisetsoa ho etsa lipoleiti tse thehiloeng ho titanium.
(6) Lisebelisoa tse ling
- Tšireletso ea Cathodic: anti-corrosion ea meaho ea tšepe ea metsing, e nang le bophelo ba tšebeletso ea lilemo tse fetang 10.
- Electrochemical synthesis: joalo ka ho lokisoa ha metsoako ea organic le li-intermediate tsa meriana.
3. Ts'ebetso ea ho roala le khetho
- Liaparo tse tloaelehileng:
- Ruthenium (RuO₂): e loketse indasteri ea chlor-alkali, e hanyetsanang le Cl⁻ corrosion.
- Iridium (IrO₂): ho hanyetsa acid e matla, e loketseng ho hloekisa metsi a litšila.
- Ho roala ka Platinum: ho sebelisoa bakeng sa electrolysis ea titanium e phahameng, e hanyetsanang le mocheso o phahameng (600 ℃).
- Sebopeho sa sebopeho: poleiti, tube, mesh, terata, joalo-joalo, e ka etsoa ho latela litlhoko.
4. Tlhokomelo le katoloso ea bophelo
- Ho hloekisa khafetsa: hlatsoa ka metsi a hloekisitsoeng ka mor'a ho koala ho qoba ho beha sekala.
- Qoba tšenyo ea mochini: tšenyo ea lera la platinamo e tla baka kutu e potlakileng ea substrate ea titanium.
- Ts'ebetso ea Electrolytic: khutlisa kalafo ea hajoale ka mor'a lihora tse ling le tse ling tse 3000 ho tlosa sekhahla sa passivation.
5. Mekhoa ea ntlafatso ea nako e tlang
- Liaparo tse kopantsoeng: tse kang liphahlo tsa platinum-iridium gradient, ho fokotsa ho feta ha oksijene ho iphetola ha lintho (laboratori e fihlile ho 1.25V).
- Teko e bohlale: li-sensor tse kopaneng li lekola tahlehelo ea ho roala ka nako ea nnete.
- Tšireletso ea tikoloho le lisebelisoa tse ncha tsa matla: joalo ka libeteri tsa boemo bo tiileng le tlhahiso e sebetsang ea haedrojene.