1. Phekolo ea Metsi a Litšila Lefapheng la Tšepe
Litšobotsi:E na le metsoako e phahameng ea lintho tse tiileng tse fanyehiloeng (likaroloana tsa tšepe, phofo ea ore), li-ion tse boima (zinki, loto, joalo-joalo), le lintho tsa colloidal.
Mokhoa oa Kalafo:PAC e eketsoa (tekanyetso: 0.5-1.5 ‰) ho theha flocs ka potlako ka litlamorao tsa adsorption le bridging, ho kopantsoe le litanka tsa sedimentation bakeng sa karohano ea metsi a tiileng, ho fokotsa moferefere oa metsi ka ho feta 85%.
Katleho:Ho tlosoa ha li-ion tse boima ho feta 70%, ka litekanyetso tsa ho lahla metsi a litšila a hloekisitsoeng.
2. Decolorization ea ho daea Metsi a litšila
Litšobotsi:Chromaticity e phahameng (masala a dae), COD e phahameng (tlhoko ea oksijene ea lik'hemik'hale), le liphetoho tse kholo tsa pH.
Mokhoa oa Kalafo:PACe sebelisoa hammoho le pH adjusters (tekanyo: 0.8-1.2 ‰), ho etsa Al(OH) ₃ colloids ho adsorb dae limolek'hule. E kopantsoe le ho phalla ha moea, mokhoa ona o finyella sekhahla sa 90% sa ho tlosa mebala.
3. Tlhokomelo ea metsi a litšila a Polyester Chemical
Litšobotsi:COD e phahameng haholo (ho fihla ho 30,000 mg/L, e nang le macromolecular organics joalo ka terephthalic acid le ethylene glycol esters).
Mokhoa oa Kalafo:Nakong ea coagulation,PAC(tekanyetso: 0.3-0.5 ‰) neutralizes liqoso colloidal, ha polyacrylamide (PAM) ntlafatsa flocculation, ho finyella pele COD phokotso ea 40%.
Katleho:E theha maemo a matle bakeng sa kalafo e latelang ea iron-carbon micro-electrolysis le UASB anaerobic kalafo.
4. Phekolo ea Metsi a Litšila a Letsatsi le Letsatsi
Litšobotsi:E na le li-surfactants tse ngata, oli, le ho feto-fetoha ho sa tsitsang ha boleng ba metsi.
Mokhoa oa Kalafo:PAC(tekanyetso: 0.2-0.4 ‰) e kopantsoe le coagulation-sedimentation ho tlosa lintho tse tiileng tse emisitsoeng, ho fokotsa mojaro oa phekolo ea likokoana-hloko le ho theola COD ho tloha 11,000 mg / L ho ea ho 2,500 mg / L.
5. Ho Hloekisoa ha Metsi a Hloekileng ka Khalase
Litšobotsi:Alkaline e phahameng (pH> 10), e nang le likaroloana tse silang tsa likhalase le litšila tse sa senyehang hantle.
Mokhoa oa Kalafo:Polymeric aluminium ferric chloride (PAFC) e eketsoa ho fokotsa alkalinity, ho fihlela ho tlosoa ha lintho tse tiileng tse fetang 90%. The effluent turbidity ke ≤5 NTU, ho netefatsa ts'ebetso e tsitsitseng ea mekhoa e latelang ea ultrafiltration.
6. Phekolo ea Metsi a Litšila a Liindasteri a Phahameng a Fluoride
Litšobotsi:Semiconductor/etching metsi a litšila a nang le fluoride (concentration>10 mg/L).
Mokhoa oa Kalafo:PACe sebetsana le F⁻ ka Al³⁺ ho theha AlF₃ precipitate, ho fokotsa khatello ea fluoride ho tloha ho 14.6 mg/L ho ea ho 0.4-1.0 mg/L (ho kopana le litekanyetso tsa metsi a nooang).
Nako ea poso: May-15-2025