1. Wastewater Treatment muSimbi Indasitiri
Hunhu:Iine huwandu hwakanyanya hwezvakarembera zvesimbi (simbi zvidimbu, ore poda), heavy metal ions (zinc, lead, nezvimwewo), uye colloidal zvinhu.
Kurapa Maitiro:PAC inowedzerwa (dosage: 0.5-1.5 ‰) kuti ikurumidze kuumba flocs kuburikidza neadsorption uye bridging mhedzisiro, yakasanganiswa nesedimentation matangi ekuparadzaniswa kwakasimba-mvura, kuderedza effluent turbidity neinopfuura 85%.
Kubudirira:Heavy metal ion kubviswa kunodarika 70%, ine yakacheneswa yetsvina musangano yekuburitsa zviyero.
2. Decolorization yeDyeing Wastewater
Hunhu:Yakakwira chromaticity (dhayi zvisaririra), yakakwira COD (makemikari okisijeni kudiwa), uye kwakakosha pH kuchinja.
Kurapa Maitiro:PACinoshandiswa pamwe chete ne pH inogadzirisa (dosage: 0.8-1.2 ‰), kugadzira Al (OH) ₃ colloids kuti adsorb dhayi mamorekuru. Yakasanganiswa nemhepo inoyerera, maitiro anowana 90% yekubvisa ruvara.
3. Pretreatment yePolyester Chemical Wastewater
Hunhu:Yakanyanya kukwirisa COD (kusvika ku30,000 mg/L, ine macromolecular organics se terephthalic acid uye ethylene glycol esters).
Kurapa Maitiro:Panguva ye coagulation,PAC(dosage: 0.3-0.5 ‰) neutralizes colloidal mhosva, nepo polyacrylamide (PAM) inosimudzira flocculation, kuwana yekutanga COD kuderedzwa kwe40%.
Kubudirira:Inogadzira mamiriro akanaka kune inotevera iron-carbon micro-electrolysis uye UASB anaerobic kurapwa.
4. Kurapa kweDaily Chemical Wastewater
Hunhu:Iine huwandu hwakanyanya hwemasurfactants, maoiri, uye kusagadzikana kwemhando yemvura kushanduka.
Kurapa Maitiro:PAC(dosage: 0.2-0.4‰) inosanganiswa ne coagulation-sedimentation kubvisa yakaturikwa yakaoma, kuderedza mutoro pamusoro zvipenyu kurapwa uye kuderedza COD kubva 11,000 MG/L kuti 2,500 MG/L.
5. Kucheneswa kweGlass Processing Wastewater
Hunhu:Yakanyanya alkaline (pH> 10), ine girazi rinokuya zvimedu uye zvinosvibisa zvisingaodzeke.
Kurapa Maitiro:Polymeric aruminiyamu ferric chloride (PAFC) inowedzerwa kuti isaite alkalinity, inowana pamusoro pe90% yakamiswa yakamiswa solids kubviswa. Iyo effluent turbidity ndeye ≤5 NTU, kuve nechokwadi chekushanda kwakagadzikana kweanotevera ultrafiltration maitiro.
6. Kurapa kweHigh-Fluoride Industrial Wastewater
Hunhu:Semiconductor/etching industry wastewater ine fluorides (concentration>10 mg/L).
Kurapa Maitiro:PACinopindirana neF⁻ kuburikidza neAl³⁺ kuumba AlF₃ kunaya, ichidzikisa kunyura kwefluoride kubva pa14.6 mg/L kusvika pa0.4-1.0 mg/L (zvichienderana nemitemo yemvura yekunwa).
Nguva yekutumira: May-15-2025