1. Kuchiza kwamadzi onyansa m'makampani azitsulo
Makhalidwe:Muli kuchuluka kwa zolimba zoyimitsidwa (zinyalala zachitsulo, ufa wa ore), ma ayoni azitsulo zolemera (zinki, lead, ndi zina), ndi zinthu za colloidal.
Njira Yochizira:PAC ndi anawonjezera (Mlingo: 0.5-1.5 ‰) kuti mofulumira kupanga flocs kudzera adsorption ndi bridging zotsatira, kuphatikizapo sedimentation akasinja kwa olimba-zamadzimadzi kulekana, kuchepetsa effluent turbidity ndi pa 85%.
Kuchita bwino:Kuchotsa ma ion zitsulo zolemera kumaposa 70%, ndi miyezo yothira madzi otayira.
2. Decolorization of Dyeing Waste Water
Makhalidwe:High chromaticity (zotsalira za utoto), kuchuluka kwa COD (kufunidwa kwa okosijeni wamankhwala), komanso kusinthasintha kwakukulu kwa pH.
Njira Yochizira:PACamagwiritsidwa ntchito molumikizana ndi pH osintha (mlingo: 0.8-1.2 ‰), kupanga Al(OH) ₃ colloids kuti adsorb utoto mamolekyu. Kuphatikizidwa ndi kuyandama kwa mpweya, njirayi imakwaniritsa 90% kuchotsa mtundu.
3. Kukonzekera kwa Polyester Chemical Water Waste
Makhalidwe:COD yapamwamba kwambiri (mpaka 30,000 mg/L, yokhala ndi ma macromolecular organics monga terephthalic acid ndi ethylene glycol esters).
Njira Yochizira:Pa nthawi ya coagulation,PAC(Mlingo: 0.3-0.5 ‰) neutralizes milandu colloidal, pamene Polyacrylamide (PAM) timapitiriza flocculation, kukwaniritsa koyamba COD kuchepetsa 40%.
Kuchita bwino:Amapanga zinthu zabwino zotsatizana ndi iron-carbon micro-electrolysis ndi UASB anaerobic treatment.
4. Chithandizo cha Daily Chemical Wastewater
Makhalidwe:Muli kuchuluka kwambiri kwa ma surfactants, mafuta, komanso kusinthasintha kwamadzi kosakhazikika.
Njira Yochizira:PAC(Mlingo: 0.2-0.4 ‰) pamodzi ndi coagulation-sedimentation kuchotsa zolimba inaimitsidwa, kuchepetsa katundu kwachilengedwenso mankhwala ndi kutsitsa COD kuchokera 11,000 mg/L kuti 2,500 mg/L.
5. Kuyeretsedwa kwa Galasi Yopangira Madzi Owonongeka
Makhalidwe:Zamchere kwambiri (pH> 10), zomwe zimakhala ndi tinthu tating'onoting'ono tagalasi komanso zowononga zosawonongeka.
Njira Yochizira:Polymeric aluminiyamu ferric chloride (PAFC) imawonjezedwa kuti iwononge alkalinity, kukwaniritsa kuchotsedwa kwa zolimba zopitilira 90%. The effluent turbidity ndi ≤5 NTU, kuwonetsetsa kugwira ntchito mokhazikika kwa njira zotsatizana nazo.
6. Chithandizo cha High-Fluoride Industrial Wastewater
Makhalidwe:Semiconductor/etching industry madzi oipa okhala ndi fluoride (concentration>10 mg/L).
Njira Yochizira:PACimakhudzidwa ndi F⁻ kudzera ku Al³⁺ kupanga AlF₃ precipitate, kuchepetsa kuchuluka kwa fluoride kuchokera ku 14.6 mg/L kufika ku 0.4-1.0 mg/L (kukwaniritsa miyezo ya madzi akumwa).
Nthawi yotumiza: May-15-2025