Indlela yokujiya yokwelapha amanzi amdaka okwenza iphepha idinga ukwengezwa kwe-coagulant ethile, evame ukubizwa nangokuthi i-flocculant esusa umbala yokwenza amanzi amdaka. Ngenxa yokuthi i-coagulation sedimentation ingasusa izinto eziqinile ezilenga emanzini amdaka, i-chemical sedimentation ingasusa umbala.
Ngakho-ke, iningi lokungcola, ama-colloid kanye nokungcola emanzini angcolile kungavinjelwa futhi kuhlanganiswe ngokufaka lesi sidakamizwa sokukhipha amakhemikhali ethangini lokubola, ukuze kufezwe umphumela wokususa umbala kanye nokuwohloka, futhi amanzi angcolile azoba sobala. Ama-flocculant avame ukusetshenziswa kakhulu ahlanganisa ama-polymer flocculant kanye nama-microbial flocculant, kanti ama-polymer flocculant ahlanganisa ama-polymer e-organic, ama-polymer angaphili, kanye nama-polymer e-organic emvelo. Kusobala ukuthi i-flocculant esusa umbalaAmanzi angcolile ayi-polymer yokwenziwa ene-molecule ephezulu.
Amanzi angcolile avame ukuphathwa yilokhu: isikrini → ukulungiswa → ukugeleza kodaka noma ukuntanta komoya → I-A/O noma i-contact oxidation → ithangi lesibili lokugeleza kodaka → ukukhishwa. I-flocculant esusa umbala isetshenziswa ethangini lokugeleza kodaka, futhi inezici zokusebenza okulula, izinga eliphezulu lokususwa kwe-COD, futhi ingagwema ukungcola kwesibili.
Kunezinhlobo eziningi zamanzi angcolile embonini yamaphepha. Ngisho noma kungamanzi angcolile eshabhu lokukhiqiza, ubuchwepheshe bokwelapha obusetshenziswayo buzohluka. Kodwa-ke, iphuzu elifanayo lala manzi angcolile yi-COD ephezulu, i-chroma ephezulu, ukususwa kombala kanye nokunciphisa i-COD, ngakho-ke angaphathwa kalula ngama-flocculants asusa umbala wokwenza amanzi angcolile ephepha, bese ebambisana nezinqubo ezahlukene ukuvumela amabhizinisi okuvuselela amanzi ukuthi asebenzise noma ahlangabezane nezindinganiso zokukhipha. Yenza ngokulandelana. Uma ikhwalithi yamanzi angcolile kanye nenqubo yokwelapha kuhlukile, kuhlobene nomthamo kanye nokukhetha imodeli ye-flocculant esusa umbala. Ngakho-ke, kunconywa ukwenza isilingo esincane sesampula ngaphambi kokuyisebenzisa emshinini ukuze kunqunywe imodeli kanye nomthamo (imikhiqizo yethu eminingi ineamasampula wamahhala, ukuze kuhlinzekwe ngedatha enembile kakhulu kanye nesiqinisekiso esingcono sokusetshenziswa endaweni.
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Isikhathi sokuthunyelwe: Julayi-29-2022