1. Ọgwụgwọ mmiri mkpofu na ụlọ ọrụ igwe
Njirimara:Nwere nnukwu mkpokọta nke ihe siri ike kwụsịtụrụ (ntụpu ígwè, ntụ ntụ), ion metal dị arọ (zinc, lead, wdg), na ihe kolloidal.
Usoro ọgwụgwọ:PAC agbakwunyere (usoro onunu ogwu: 0.5-1.5 ‰) iji mepụta flocs ngwa ngwa site na mgbasa ozi mgbasa ozi na njikọta, jikọtara ya na tankị sedimentation maka nkewa nke mmiri siri ike, na-ebelata ikuku nke ikuku site na 85%.
Ịdị irè:Mwepụ ion dị arọ nke ígwè karịrị 70%, na-enwe ụkpụrụ ntọhapụ nke mmiri na-ekpofu ahịhịa.
2. Decolorization nke Dyeing Wastewater
Njirimara:chromaticity dị elu (ihe fọdụrụ agba), COD dị elu (achọrọ oxygen kemịkalụ), yana mgbanwe pH dị ịrịba ama.
Usoro ọgwụgwọ:PACA na-eji ya na ndị na-edozi pH (usoro onunu ogwu: 0.8-1.2 ‰), na-akpụ Al (OH) ₃ colloid iji mee ka ụmụ irighiri ihe na-agba agba. Ejikọtara ya na ikuku flotation, usoro a na-enweta 90% agba mwepụ ọnụego.
3. Pretreatment nke Polyester Chemical mmiri mkpofu
Njirimara:COD dị oke elu (ruo 30,000 mg/L, nwere organics macromolecular dị ka terephthalic acid na ethylene glycol esters).
Usoro ọgwụgwọ:N'oge coagulation,PAC(usoro onunu ogwu: 0.3-0.5 ‰) na-egbochi ebubo colloidal, ebe polyacrylamide (PAM) na-eme ka flocculation dịkwuo elu, na-enweta mbelata COD mbụ nke 40%.
Ịdị irè:Na-emepụta ọnọdụ dị mma maka micro-electrolysis iron-carbon na-esote yana ọgwụgwọ anaerobic UASB.
4. Ọgwụgwọ mmiri mkpofu kemịkalụ kwa ụbọchị
Njirimara:Nwere nnukwu mkpokọta nke surfactants, mmanụ na ngbanwe ịdị mma mmiri na-akwụghị ụgwọ.
Usoro ọgwụgwọ:PAC(usoro onunu ogwu: 0.2-0.4 ‰) jikọtara ya na coagulation-sedimentation iji wepụ ihe siri ike kwụsịtụrụ, na-ebelata ibu na ọgwụgwọ ndu na iweda COD site na 11,000 mg / L ruo 2,500 mg / L.
5. Ịdị ọcha nke iko nhazi mmiri mmiri
Njirimara:Nnukwu alkaline (pH> 10), nwere ihe ndị na-egweri iko na ihe mmetọ na-adịghị mma.
Usoro ọgwụgwọ:A na-agbakwunye polymeric aluminom ferric chloride (PAFC) iji mee ka alkalinity kwụsị, na-enweta ihe karịrị 90% kwụsịtụrụ mkpochapụ. Ntugharị mmiri na-asọpụta bụ ≤5 NTU, na-eme ka arụ ọrụ kwụsiri ike nke usoro ultrafiltration na-esote.
6. Ọgwụgwọ nke High-Fluoride Industrial Water Water
Njirimara:Semiconductor/etching ụlọ ọrụ mmiri mkpofu nwere fluorides (ntụkwasị obi> 10 mg / L).
Usoro ọgwụgwọ:PACna-emeghachi omume na F⁻ site na Al³⁺ iji mepụta AlF₃ precipitate, na-ebelata mkpokọta fluoride site na 14.6 mg/L ruo 0.4-1.0 mg/L (izute ụkpụrụ mmiri ọ drinkingụ drinkingụ).
Oge nzipu: Mee-15-2025