I-Dicyandiamide formaldehyde resin decoloring agent

Phakathi kokwelashwa kwamanzi amdaka asezimbonini, ukuphrinta nokudaya amanzi amdaka kungenye yamanzi amdaka okunzima kakhulu ukuwaphatha. Inesakhiwo esiyinkimbinkimbi, inani eliphezulu le-chroma, ukuhlushwa okuphezulu, futhi kunzima ukuwohloka. Ingenye yamanzi amdaka asezimbonini anzima kakhulu futhi okunzima ukuwaphatha angcolisa imvelo. Ukususwa kwe-chroma kunzima nakakhulu phakathi kobunzima.

Phakathi kwezindlela eziningi zokunyathelisa nokudaya amanzi amdaka, ukusetshenziswa kwe-coagulation kuyindlela esetshenziswa kakhulu emabhizinisini. Njengamanje, ama-flocculant avamile asetshenziswa emabhizinisini okunyathelisa nokudaya izindwangu ezweni lakithi ama-flocculant asekelwe ku-aluminium kanye ne-iron. Umphumela wokususa umbala mubi, futhi uma udayi osabelayo ususwa umbala, cishe awukho umphumela wokususa umbala, futhi kusazoba nama-ion ensimbi emanzini aphathwe kahle, okusalimaza kakhulu umzimba womuntu kanye nendawo ezungezile.

I-Dicyandiamide formaldehyde resin decoloring agent iyi-organic polymer flocculant, uhlobo lukasawoti lwe-quaternary ammonium. Uma iqhathaniswa ne-flocculants evamile decolorizing, inejubane lokuflocculant elisheshayo, umthamo omncane, futhi ithintwa usawoti ohlala njalo, i-PH kanye nezinzuzo ezifana nethonya elincane lokushisa.

I-dicyandiamide formaldehyde resin decoloring agent iyi-flocculant esetshenziswa kakhulu ekususeni umbala kanye nokususwa kwe-COD. Uma uyisebenzisa, kunconywa ukuthi ulungise inani le-pH lamanzi angcolile libe yi-neutral. Sicela uxhumane nochwepheshe bezindlela ezithile zokusebenzisa. Ngokusho kokubambisana okuningi, impendulo evela kubakhiqizi bokuphrinta nokudaya iwukuthi i-dicyandiamide formaldehyde resin decolorizer inomthelela omkhulu ekususeni umbala wamanzi angcolile okuphrinta nokudaya. Izinga lokususa i-chroma lingafinyelela ngaphezu kuka-96%, kanti izinga lokususa i-COD nalo lifinyelele ngaphezu kuka-70%.

Ama-flocculant e-polymer e-organic asetshenziswa okokuqala ngawo-1950, ikakhulukazi ama-flocculant okwelapha amanzi e-polyacrylamide, kanti i-polyacrylamide ingahlukaniswa ibe yi-non-ionic, i-anionic, kanye ne-cationic. Kulesi sihloko, sizoqonda i-acrylamide polymer dicyandiamide formaldehyde resin decolorizing flocculant efakwe usawoti nge-quaternary amine phakathi kwama-flocculant e-cationic organic polymer.

I-dicyandiamide formaldehyde resin decolorizing flocculant iqala ngokusabela nge-acrylamide kanye nesixazululo samanzi se-formaldehyde ngaphansi kwezimo ze-alkaline, bese isabela nge-dimethylamine, bese ipholiswa bese ihlanganiswa nge-hydrochloric acid. Umkhiqizo ugxiliswa ngokuhwamuka bese uhlungwa ukuze kutholakale i-acrylamide monomer ene-quaternized.

I-dicyandiamide-formaldehyde condensation polymer decolorizing flocculant yethulwa ngawo-1990. Inomphumela omuhle kakhulu okhethekile wokususa umbala wamanzi amdaka anombala. Ekwelapheni amanzi amdaka anombala ophezulu futhi agcwele ukugcwala, kusetshenziswa i-polyacrylamide noma i-polyacrylamide kuphela. I-Polyaluminum chloride flocculant ayikwazi ukususa ngokuphelele umbala, futhi ngemva kokufaka i-flocculant decolorizing, iqeda amandla angalungile axhunywe kuma-molecule edayi emanzini amdaka ngokunikeza inani elikhulu lama-cations futhi ngaleyo ndlela iqede ukuzinza. Ekugcineni, kwakheka inani elikhulu lama-floccules, angamunca ama-molecule edayi ngemva kokucwiliswa kanye nokuqedwa, ukuze kufezwe injongo yokuqedwa kombala.

Indlela yokusebenzisa i-decolorizer:

Indlela yokusebenzisa i-flocculant esusa umbala ifana neye-polyacrylamide. Nakuba eyokuqala isesimweni soketshezi, idinga ukuncishiswa ngo-10%-50%, bese ifakwa emanzini angcolile bese ivuselelwa ngokuphelele. Yakha izimbali ze-alum. Udaba olunombala emanzini angcolile anombala luyancishiswa futhi lukhishwe emanzini, futhi lufakwe i-sedimentation noma i-air flotation ukuze kutholakale ukuhlukana.

Ezimbonini zokunyathelisa nokufaka udayi, izindwangu nezinye, ukusetshenziswa kwamanzi kukhulu kakhulu futhi izinga lokusetshenziswa kabusha liphansi. Ngakho-ke, ukuchitheka kwezinsiza zamanzi kuvame kakhulu. Uma inqubo isetshenziswa ukwenza ukwelashwa okuthuthukisiwe nokusetshenziswa kabusha kwala manzi angcolile ezimbonini anombala ophezulu futhi agcwele uketshezi, Akugcini nje ngokusindisa imithombo eminingi yamanzi ezimbonini amasha, kodwa futhi kunganciphisa ngqo ukukhishwa kwamanzi angcolile ezimbonini, okubaluleke kakhulu futhi okubanzi ekukhuthazeni intuthuko esimeme yezimboni zokunyathelisa, zokudaya kanye nezendwangu.

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