Isiteji esibalulekile enqubweni yokwelashwa kwamanzi ongcolile yi-cooagation futhi sixazulule ama-solids amisiwe, inqubo ethembele ngokuyinhloko kumakhemikhali abizwa nge-flocculants. Kulokhu, ama-polymers adlala indima ebalulekile, ngakho-ke uPam, ama-polyamine.Lokhu athimbaAma-polymer flocculants, ukusetshenziswa kwama-polymers njenge-flocculants ekwelashweni kwamanzi amdaka, kanye nemisebenzi ngemuva kwabo.
Yini ama-polymer asetshenziswa ama-polymer?
Ama-polymer asetshenziswayo asetshenziswa ama-polymer afaka ama-cotic polymers, ama-anionic polymers nama-polymers angezinyoni. Lawa ma-polymers angatholakala ngezindlela ezahlukahlukene zokwenziwa futhi anezinhlaka ezihlukile ze-cationic nezenziwe. Kuzinhlelo zokusebenza ezisebenzayo, kuyadingeka ukuthi ukhethe ama-polymer flocculant afanele ngokwemibandela ethile yamanzi angcolile ukuze uthole umphumela omuhle kakhulu wokwelashwa. UPam, uPolydadMac, usetshenziswa kabanzi ukwelashwa kwamanzi wezimboni. I-PolyAcrylamide yi-Flocculant esetshenziswa kakhulu emhlabeni. Lawa ma-polymers ane-soluble annikeli angenzelwe ngokokwenziwa kwezicelo ezithile ngama-molecular izinsimbi, ama-viscosities, ama-degydadmac ahlukile asetshenziswa kabanzi emanzini kampompi, i-sludge dehydration, imboni yamaphepheni kanye nemboni yokuphrinta nokunyaya.
Ukusetshenziswa kwama-flocculants ekwelashweni kwamanzi angcolile
Umgomo oyinhloko wokwelashwa kwamanzi amdaka ukuze ususe ukungcola okunjengama-solids amisiwe, ancibilikiswe izinto eziphilayo kanye nezinhlayiya ze-colloidal ezivela emanzini ukuthuthukisa ikhwalithi yamanzi. Kule nqubo, ama-floccuvants adlala indima ebalulekile. Ngokusebenzisa ama-flocculants, izinhlayiya ezincane nezinto ezi-colloidal emanzini zingadalwa ukubangelwa ama-flocs amakhulu, angasuswa kalula yi-sedimentation noma nge-filtration. Lokhu akunakuthuthukisa kuphela ikhwalithi yamanzi, kepha futhi kuthuthukisa ukusebenza kahle kokwelashwa nokunciphisa izindleko zokwelashwa.
Kungani ama-polymers angenza ama-flocculant?
Ama-polymers angasetshenziswa njenge-flocculants ikakhulukazi ngenxa yesisindo sawo samangqamuzana aphezulu nesakhiwo esinezigatshana eziningi. Lezi zakhiwo zivumela i-polymer ukuba ibe ngcono ama-adcerb afaka udaba lokukhipha, ekwakhekeni ama-flocs amakhulu angahlala ngokushesha. Ngaphezu kwalokho, ama-polymers angasusa ukuxabana kwama-elektrostatic phakathi kwezinhlayiya ngokusebenzisa ukungathathi hlangothi, okuvumela izinhlayiya ukuba zisondele futhi zihlanganiswe ndawonye.
Indlela yokusebenza kwama-polymers ekwelashweni kwamanzi amdaka
Indlela yokusebenza kwama-polymers njengoba ama-flocculants angahlukaniswa ngezinyathelo ezintathu: ukushaja ukungathathi hlangothi, ukuvala amabhuloki nokubamba inetha. Okokuqala, i-polymer iqeda ukuphindisela kwe-electrostatic phakathi kwezinhlayiya ngokusebenzisa ukungathathi hlangothi, okuvumela izinhlayiya okufanele zisondele. I-polymer bese ixhumanisa izinhlayiya ndawonye ukwakha ama-flocs amakhulu ngokubopha i-floccution. Ekugcineni, la ma-Flocs ahlanganiswe futhi ahlala emanzini ngesinyathelo sokushanela kwamanetha.
Izici ezithinta ukusebenza kahle kwama-polymers ekwelapheni amanzi amdaka
Kunezici eziningi ezithinta ukusebenza kahle kwe-polymer ukwelashwa kwamanzi amdaka, kufaka uhlobo lwe-polymer, umthamo, ijubane le-PHME, ijubane lokuvuselela, njll. Isivinini esithile kungenye yezinto ezibaluleke kakhulu. Izinhlobo ezahlukahlukene zama-polymers zinezakhiwo ezihlukile zokukhokhisa kanye nokuhanjiswa kwesisindo kwamamolekyuli, ngakho-ke kuyadingeka ukukhetha uhlobo lwe-polymer olufanele kanye nomthamo wama-watewaters ahlukene ukufeza umphumela ohlukile wokwelashwa. Ngaphezu kwalokho, izici ezifana nenani le-PH, izinga lokushisa, kanye nesivinini esishukumisayo kuzothinta nokusebenza kwelashwa, kanye nezimo ezifanele zidinga ukunqunywa ngocwaningo.
Ama-polymers adlala indima ebalulekile njenge-flocculants ekwelashweni kwamanzi amdaka. Ukuqonda okujulile kwendlela yokwenza kanye nokuthonya izici zama-polymers kunganikeza ukwesekwa okubalulekile kwethiyori kanye nesiqondiso esisebenzayo sokwenza kahle izinqubo zokwelashwa kwamanzi amdaka kanye nokwenza ngcono ukusebenza kahle kokwelashwa. Ngokuzayo, ngokuthuthuka okuqhubekayo kwezidingo zokuvikelwa kwemvelo kanye nentuthuko eqhubekayo yesayensi nobuchwepheshe, kukholelwa ukuthi ukusetshenziswa kwama-polymers ukwelashwa kwamanzi amdaka kuzokhula kakhulu nokujula.
Isikhathi sePosi: Jun-26-2024