Electrodialysis (ED) ke ts'ebetso e sebelisang lesela le semipermeable le sebaka se otlolohileng sa motlakase ho tsamaisa likaroloana tsa solute (tse kang li-ion) ho tsoa tharollong. Ts'ebetso ena ea karohano e tsepamisa maikutlo, e hlapolla, e hloekisa, 'me e hloekisa litharollo ka ho sutumelletsa mokelikeli o qosoang hole le metsi le likarolo tse ling tse sa lefisoeng. Electrodialysis e fetohile ts'ebetso e kholo ea yuniti ea lik'hemik'hale mme e bapala karolo ea bohlokoa ho thekenoloji ea karohano ea membrane. E fumana ts'ebetso e pharaletseng liindastering tse kang ho ntša letsoai ka lik'hemik'hale, ho ntša letsoai metsing a leoatle, lijo le meriana, le ho hloekisa metsi a litšila. Libakeng tse ling, e se e le mokhoa o ka sehloohong oa ho hlahisa metsi a nooang. E fana ka melemo e joalo ka tšebeliso e tlase ea matla, melemo ea bohlokoa ea moruo, ts'ebetso e bonolo pele, lisebelisoa tse tšoarellang, moralo o bonolo oa sistimi, ts'ebetso e bonolo le tlhokomelo, ts'ebetso e hloekileng, tšebeliso e tlase ea lik'hemik'hale, tšilafalo e fokolang ea tikoloho, nako e telele ea lisebelisoa, le litefiso tse phahameng tsa ho khutlisa metsi (hangata. ho tloha ho 65% ho isa ho 80%).
Mekhoa e tloaelehileng ea electrodialysis e kenyelletsa electrodeionization (EDI), electrodialysis reversal (EDR), electrodialysis with liquid membranes (EDLM), electrodialysis ea mocheso o phahameng, electrodialysis ea mofuta oa roll, bipolar membrane electrodialysis, le tse ling.
Electrodialysis e ka sebelisoa bakeng sa kalafo ea mefuta e fapaneng ea metsi a litšila, ho kenyelletsa le metsi a litšila a electroplating le metsi a litšila a silafalitsoeng ka tšepe e boima. E ka sebelisoa ho ntša li-ion tsa tšepe le lintho tse ling metsing a litšila, ho lumella ho khutlisoa le ho sebelisoa hape ha metsi le lisebelisoa tsa bohlokoa ha ho ntse ho fokotsa tšilafalo le mesi. Boithuto bo bonts'itse hore electrodialysis e ka khutlisa koporo, zinki, esita le oxidize Cr3+ ho Cr6+ nakong ea kalafo ea litharollo tsa passivation ts'ebetsong ea tlhahiso ea koporo. Ho feta moo, electrodialysis e kopantsoe le phapanyetsano ea ion bakeng sa ho khutlisa litšepe tse boima le li-acid tse tsoang ho metsi a litšila a nang le asiti lits'ebetsong tsa indasteri. Lisebelisoa tse entsoeng ka mokhoa o ikhethileng oa electrodialysis, tse sebelisang li-resin tsa anion le tsa cation joalo ka li-filler, li sebelisitsoe ho phekola metsi a litšila a tšepe e boima, ho fihlela ts'ebetso e koetsoeng ea loop le ho lahla zero. Electrodialysis e ka boela ea sebelisoa ho phekola metsi a litšila a alkaline le metsi a litšila a tlhaho.
Lipatlisiso tse entsoeng State Key Laboratory of Pollution Control and Resource Reuse in China li ile tsa ithuta ho phekoloa ha metsi a litšila a alkali a nang le epoxy propane chlorination mohatla khase sebelisa ion exchange membrane electrolysis. Ha motlakase oa electrolysis e ne e le 5.0V 'me nako ea ho potoloha e ne e le lihora tse 3, tekanyo ea ho tlosoa ha COD ea metsi a litšila e fihlile ho 78%,' me tekanyo ea ho hlaphoheloa ha alkali e ne e le holimo ho 73.55%, e sebetsang e le mokhoa o atlehang oa phekolo bakeng sa lihlopha tse latelang tsa biochemical. Theknoloji ea Electrodialysis e boetse e sebelisoa ho phekola metsi a litšila a organic acid, a nang le likhahla ho tloha ho 3% ho ea ho 15%, ke Shandong Luhua Petrochemical Company. Mokhoa ona o etsa hore ho se be le masala kapa tšilafalo ea bobeli, 'me tharollo e tsitsitseng e fumanoeng e na le 20% ho 40% ea asiti, e ka sebelisoang hape le ho phekoloa, ho fokotsa acid e ka metsing a litšila ho 0.05% ho 0.3%. Ho feta moo, Sinopec Sichuan Petrochemical Company e sebelisitse sesebelisoa se khethehileng sa electrodialysis ho hloekisa metsi a litšila a condensate, ho finyella tekanyo e phahameng ea phekolo ea 36 t / h, le ammonium nitrate content e fihlang ka holimo ho 20%, le ho fumana sekhahla sa ho hlaphoheloa ho feta 96. %. Metsi a hloekisitsoeng a ne a e-na le karolo ea boima ba ammonium nitrogen ea ≤40mg/L, e finyellang litekanyetso tsa tikoloho.
Nako ea poso: Sep-07-2023
