I-Dicyandiamide formaldehyde resin decoloring agent

Phakathi kwezindawo zokuhlanza amanzi angcolile ezimbonini, ukuphrinta nokudaywa kwamanzi angcolile kungenye yezindawo ezingcolile okunzima kakhulu ukuzisebenzisa. Inokwakheka okuyinkimbinkimbi, inani eliphakeme le-chroma, ukugxila okuphezulu, futhi kunzima ukuyehlisa. Ingenye yamanzi angcolile embonini ayingozi kakhulu futhi okunzima ukuwaphatha angcolisa imvelo. Ukususwa kwe-chroma kunzima nakakhulu phakathi kobunzima.

Phakathi kwezindlela eziningi zokunyathelisa nokudaya amanzi angcolile, ukusetshenziswa kwe-coagulation kuyindlela esetshenziswa kakhulu emabhizinisini. Njengamanje, ama-flocculants avamile asetshenziswa emabhizinisini okuphrinta izindwangu kanye nokudaya ezweni lami asekelwe ku-aluminium kanye ne-iron-based flocculants. Umphumela we-decolorization mubi, futhi uma udayi osebenzayo ukhishwa umbala, cishe awukho umphumela wokukhipha umbala, futhi kusazoba nama-ion ensimbi emanzini ahlanzekile, okusayingozi kakhulu emzimbeni womuntu kanye nendawo ezungezile.

I-Dicyandiamide formaldehyde resin decoloring agent iwuhlobo lwe-organic polymer flocculant, uhlobo lukasawoti lwe-quaternary ammonium. Uma kuqhathaniswa nama-flocculants endabuko ajwayelekile e-decolorizing, inesivinini sokugeleza okusheshayo, umthamo omncane, futhi ithintwa usawoti okhona, i-PH kanye ne-Advantages njengethonya elincane lokushisa.

I-dicyandiamide formaldehyde resin decoloring agent iyi-flocculant esetshenziselwa kakhulu ukukhishwa kombala nokususwa kwe-COD. Uma uyisebenzisa, kunconywa ukuthi ulungise inani le-pH lamanzi angcolile ukuze lingathathi hlangothi. Sicela uxhumane nochwepheshe mayelana nezindlela ezithile zokusebenzisa. Ngokokubambisana okuningi Impendulo evela kubakhiqizi abanyathelisayo nabadayayo iwukuthi i-dicyandiamide formaldehyde resin decolorizer inomthelela omkhulu ekwehliseni umbala kokuphrinta nokudaya amanzi angcolile. Izinga lokususwa kwe-chroma lingafinyelela ngaphezu kwama-96%, futhi izinga lokususwa kwe-COD nalo selifinyelele ngaphezu kuka-70%.

I-Organic polymer flocculants yaqala ukusetshenziswa ngawo-1950, ikakhulukazi i-polyacrylamide flocculants yokwelashwa kwamanzi, futhi i-polyacrylamide ingahlukaniswa ibe i-non-ionic, i-anionic, ne-cationic. Kulesi sihloko, sizoqonda i-acrylamide polymer dicyandiamide formaldehyde resin decolorizing flocculant efakwe usawoti we-quaternary amine phakathi kwe-cationic organic polymer flocculants.

I-dicyandiamide formaldehyde resin decolorizing flocculant iqala ukusabela nge-acrylamide ne-formaldehyde aqueous solution ngaphansi kwezimo ze-alkaline, bese isabela nge-dimethylamine, bese ipholiswa futhi ihlukaniswe nge-hydrochloric acid. Umkhiqizo ugxiliswa ukuhwamuka futhi uyahlungwa ukuze uthole i-acrylamide monomer ene-quaternized.

I-dicyandiamide-formaldehyde condensation polymer decolorizing flocculant yethulwa ngawo-1990s. Inomphumela omuhle kakhulu okhethekile wokukhipha umbala wamanzi angcolile odayi. Ekwelapheni amanzi angcolile anombala ophezulu futhi aphezulu, i-polyacrylamide noma i-polyacrylamide kuphela isetshenziswa. I-Polyaluminium chloride flocculant ayikwazi ukususa ngokuphelele i-pigment, futhi ngemva kokwengeza i-flocculant decolorizing, inciphisa ukushaja okungalungile okunamathiselwe kuma-molecule edayi emanzini angcolile ngokunikeza inani elikhulu lama-cations futhi ngaleyo ndlela iphazamise Ekugcineni, kwakhiwa inani elikhulu lama-floccules, okuyinto. ingakwazi ukumunca amangqamuzana odayi ngemva kokugeleza kanye nokuwohloka, ukuze kuzuzwe injongo yokushintsha umbala.

Indlela yokusebenzisa i-decolorizer:

Indlela yokusebenzisa i-decolorizing flocculant ifana neye-polyacrylamide. Nakuba esokuqala siwuketshezi, sidinga ukuhlanjululwa ngaphambi kokuba sisetshenziswe. Umkhiqizi uncoma ukuthi ihlanjululwe ngo-10% -50%, bese ifakwa emanzini angcolile futhi inyakaze ngokugcwele. Yakha izimbali ze-alum. Udaba olunombala olusemanzini angcolile anombala luyanyakaziswa futhi ludonswe emanzini, futhi lufakwe i-sedimentation noma i-air flotation ukuze kuzuzwe ukuhlukana.

Ezimbonini zokunyathelisa nokudaya, izindwangu nezinye, ukusetshenziswa kwamanzi kukhulu kakhulu futhi izinga lokuphinda lisetshenziswe liphansi. Ngakho-ke, ukuchithwa kwemithombo yamanzi kuvame kakhulu. Uma le nqubo isetshenziselwa ukwenza ukwelashwa okuthuthukisiwe kanye nokugaywa kabusha kwalawa manzi angcolile embonini anombala ophezulu futhi agxilile kakhulu, Akukhona nje kuphela ukuthi angakwazi ukusindisa izinsiza eziningi zamanzi ezimboni ezihlanzekile, kodwa futhi anganciphisa ngokuqondile ukuchithwa kwamanzi angcolile ezimbonini, okuyiwona. ngokubaluleka okukhulu nokufinyelele kude ekukhuthazeni intuthuko esimeme yezimboni zokuphrinta, zokudaya nezindwangu.

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