I-Poly (diallyldimethylammonium chloride)—eyaziwa kakhulu ngokuthiI-PDADMAC or I-PolyDADMAC—iyi-polymer ye-cationic esebenza kahle kakhulu esetshenziswa kabanzi ekuhlanzweni kwamanzi kamasipala nasezimbonini. Njenge-coagulant enamandla okushaja, idlala indima ebalulekile ekususweni kokungcola, ekususeni amanzi odaka, ekususweni kombala, kanye nasekuhlukanisweni koketshezi oluqinile.
Kodwa-ke, naphezu kobubanzi bokusetshenziswa kwayo, izindawo eziningi zokuhlanza amanzi zenza amaphutha angagwenywa lapho kukhethwa, kufakwa umthamo, futhi kusetshenziswa i-PDADMAC. La maphutha angaholela ekunciphiseni ukusebenza kwe-flocculation, ukwanda kwevolumu yodaka, imfucuza yamakhemikhali, izingozi zokuthobela imithetho, kanye nezindleko zokusebenza ezingadingekile.
Kulesi sihloko, sizohlola:
- Amaphutha avame kakhulu okusetshenziswa kwe-PDADMAC
- Izizathu zobuchwepheshe ngemuva kwezinkinga zokusebenza
- Amasu okwenza ngcono asebenzayo
- Amathiphu ochwepheshe ngezinhlelo zikamasipala nezezimboni
Lo mhlahlandlela ubhalelwe ukusekela abaphathi bezitshalo, onjiniyela bokwelapha amanzi, kanye nochwepheshe bokuthenga amakhemikhali abafuna ukwandisa ukusebenza kahle kwezinhlelo zabo zokuhlanza amanzi.
Kungani i-PDADMAC ibalulekile?
I-PDADMAC iyi-homopolymer ye-cationic ekhiqizwa ngama-monomers e-diallyldimethylammonium chloride. Isebenza ngokuyinhloko ngalezi zinto ezilandelayo:
- Ukunciphisa ukushaja
- Ukuqiniswa kwezinhlayiya
- Ukuvala i-flocculation
Izici zayo ezibalulekile zifaka:
- Ukuminyana kweshaja ye-cationic ephezulu
- Ukuncibilika okuhle emanzini
- Ukuqina kulo lonke uhla lwe-pH olubanzi
- Ukuhambisana nama-coagulant angaphili njenge-PAC kanye ne-alum
Ivame ukusetshenziswa ku:
- Ukwelashwa kwamanzi okuphuza kamasipala
- Ukwelashwa kwamanzi amdaka ezimbonini
- Ukuhlanzwa kwamanzi amdaka emshinini wephepha
- Ukuguqulwa kombala wamanzi angcolile ezindwangu
- Ukuqina kodaka kanye nokususa amanzi
Naphezu kwezinzuzo zayo, ukusetshenziswa kwayo ngendlela engafanele kunganciphisa kakhulu ukusebenza kwayo.
Iphutha Elivamile #1: Isilinganiso Esingalungile (Ukuthatha Imithamo Engaphezu Kwesilinganiso Noma Ukuthatha Imithamo Engaphansi Kwesilinganiso)
Kungani Kwenzeka
Abasebenzi abaningi bathembele emazingeni omthamo ahleliwe esikhundleni sokwenza izivivinyo zebhodlela ezivamile.Ikhwalithi yamanzi iyashintshashintsha nsuku zonke ngenxa yalokhu okulandelayo:
- Izinguquko ekungcoleni okunamandla
- Izinguquko zesizini
- Ukushintshashintsha kokukhishwa kwezimboni
- Imicimbi yemvula
Imiphumela Yokunciphisa Isilinganiso Somthamo
- Ukwakheka kwe-floc okubi
- Ukungcola okuphezulu emanzini alungisiwe
- Umthwalo owandisiwe ekuhlungeni okungezansi komfula
Imiphumela Yokusebenzisa Imithi Engaphezu Kwesilinganiso
- Ukuvuselelwa kwezinhlayiya
- Umthamo wodaka okhuphukile
- Izindleko zamakhemikhali eziphakeme
- Izinkinga ze-polymer ezisele
Umkhuba Ongcono Kakhulu
- Yenza ukuhlolwa kwejari okuvamile
- Lungisa umthamo ngokusekelwe ku-turbidity kanye ne-zeta potential
- Gada inkomba yevolumu ye-sludge (SVI)
Ukwandisa umthamo kunganciphisa izindleko zamakhemikhali ngo-10-25% ezinhlelweni eziningi.
Iphutha Elivamile #2: Ukungazinaki Ukukhethwa Kwesisindo Se-Molecular
Akuzona zonke imikhiqizo ye-PDADMAC ezifanayo. Izisindo ezahlukene zama-molecule zithinta ukusebenza kahle.
Isisindo Esiphansi Sama-Molecular
- Ukunciphisa ukushaja okusheshayo
- Ifanele amanzi angcolile kancane
Isisindo Esiphezulu Sama-Molecular
- Ikhono elingcono lokuhlanganisa
- Ifanelekela amanzi angcolile aqinile alenga kakhulu
Ukusebenzisa isisindo sama-molecule esingalungile kuvame ukuholela ku:
- Ama-floc abuthakathaka
- Ukuzinza okubi
- Udaka oluningi kakhulu
- Umkhuba Ongcono Kakhulu
Sebenza nomhlinzeki we-PDADMAC othembekile ukuze uhambisane:
- Izici zamanzi
- Amazinga okukhukhumala
- Okuqukethwe okungokwemvelo
- Izinhloso zokwelapha
Ukuhlolwa kwelabhorethri kubalulekile ngaphambi kokufaka isicelo esiphelele.
Iphutha Elivamile #3: Izimo Ezimbi Zokuxubana
Ukusebenza kwe-PDADMAC kuncike kakhulu ekuxubeni kahle.
Ukuxuba Okwanele
- Ukusatshalaliswa kwe-polymer okungalingani
- Ukususwa kwenkokhelo okungaphelele
- Ukweqisa okwenziwe endaweni
Ukuxubana Okudlulele
- Ukugunda ama-floc akhiwe
- Usayizi we-floc oncishisiwe
- Ukusebenza kabi kokuxazulula izinkinga
Isu Elihle Lokuxuba
- Ukuxuba okusheshayo kokuhlakazeka kokuqala (imizuzwana)
- Ukuxubana kwe-flocculation okuthambile (imizuzu)
- Gwema amaphampu agunda kakhulu ngemva kokwakheka kwe-floc
Umklamo wemishini kanye nesikhathi sokugcina amanzi kumele kusekele ukukhula kwe-floc.
Iphutha Elivamile #4: Inhlanganisela Engahambisani Namanye Amakhemikhali
I-PDADMAC ivame ukusetshenziswa kanye nalokhu okulandelayo:
- I-Polyaluminum chloride (i-PAC)
- I-Alum
- I-Polyacrylamide (i-PAM)
Ukulandelana komthamo okungalungile kunganciphisa ukusebenza kahle.
Isibonelo Sokuhleleka Okungalungile
Ukwengeza i-PDADMAC ngemva kokuba ukugoqa sekuvele kwenzeke kungase kuphule ama-floc esikhundleni sokuwaqinisa.
Uchungechunge Lokulinganisa Olunconyiwe
- I-coagulant engaphili (i-PAC noma i-alum)
- I-PDADMAC yokunciphisa ukushaja
- I-PAM (uma kudingeka) yokuhlanganisa
Ukulandelana okufanele kuthuthukisa ukususwa kokungcola kanye nokuqiniswa kodaka.
Iphutha Elivamile #5: Ukungalungiseleli i-pH kanye Nokushisa
Nakuba i-PDADMAC isebenza kububanzi be-pH, ukusebenza kwayo kuyahlukahluka.
Izimo ze-pH ephansi
- Ukunciphisa ukushaja okuthuthukisiwe
- Ukwakheka kwe-floc okusheshayo
Izimo ze-pH ephezulu
- Ukuncipha kokusebenza kahle kokujiya kwegazi
- Ukwanda kwesidingo samakhemikhali
Izinga lokushisa liphinde lithinte:
- I-kinetics yokusabela
- Isivinini sokuxazulula
- Ukuthamba
Umkhuba Ongcono Kakhulu
- Hlola i-pH njalo
- Lungisa umthamo we-coagulant ebusika
- Khulisa isikhathi sokugcinwa kwezitshalo ezikhathini ezibandayo
Ukulungiswa kwesizini kubalulekile ekusebenzeni okuzinzile.
Iphutha Elivamile #6: Ukugcinwa Nokuphathwa Okubi
I-PDADMAC iyi-polymer ewuketshezi. Ukugcinwa okungalungile kungonakalisa ikhwalithi yomkhiqizo.
Amaphutha Avamile Okugcina Isitoreji
- Ukuchayeka elangeni eliqondile
- Amazinga okushisa aqandayo
- Ukungcola okuvela emathangini angcolile
Lezi zinkinga zingabangela:
- Umsebenzi oncishisiwe
- Ukwanda kwe-viscosity
- Isikhathi sokuphila esincishisiwe seshelufu
Izincomo Zesitoreji
- Gcina ku-5–30°C
- Sebenzisa amathangi amelana nokugqwala
- Gwema ukuchayeka isikhathi eside emazingeni okushisa aphezulu kakhulu
- Gcina izinhlelo zokulinganisa zihlanzekile
Ukuwohloka kwekhwalithi kuholela ekusebenzeni kokwelashwa okungalingani.
Iphutha Elivamile #7: Ukungazinaki Umthelela Wokuphathwa Kodaka
I-PDADMAC ithinta kakhulu izici zodaka.
Umthamo ongalungile ungaholela ku:
- Ukukhiqizwa kodaka okweqile
- Ukusebenza kahle kokukhipha amanzi
- Izindleko zokulahla ezikhuphukile
Ukulinganisa okulungiselelwe kungenza:
- Nciphisa ivolumu yodaka
- Thuthukisa ukoma kwekhekhe
- Izindleko zokuhamba eziphansi
Ukuphathwa kodaka kufanele kucatshangelwe lapho kukhethwa izinto zokufaka i-flocculant.
Iphutha Elivamile #8: Ukuntuleka Kokuqapha Ukusebenza Okuvamile
Izitshalo eziningi ziyahluleka ukusebenzisa ukuphathwa kwamakhemikhali okusekelwe kudatha.
Izinkomba Zokuqapha Ezibalulekile
- Ukukhukhumala (NTU)
- Ukususwa kwe-COD
- Amandla e-Zeta
- Inkomba yevolumu yodaka
- Ukusetshenziswa kwe-polymer nge-m³ ngayinye
Ngaphandle kokulandelela la mapharamitha, ukwenza ngcono kuba ukuqagela.
Iphutha Elivamile #9: Ukukhetha Kusekelwe Kumanani Kuphela
Imikhiqizo engabizi kakhulu ingaba nalokhu:
- Ukuminyana kweshaja okuphansi
- Isisindo sama-molecule esingaguquguquki
- Ukwehluka kwekhwalithi
I-PDADMAC esezingeni eliphezulu kancane inganciphisa izindleko eziphelele ngenxa yalokhu:
- Isidingo somthamo ophansi
- Ukuqiniswa kodaka okuthuthukisiwe
- Isikhathi sokungasebenzi kwesistimu esincishisiwe
Izindleko zokwelashwa zizonke zibaluleke kakhulu kunentengo yeyunithi.
Iphutha Elivamile #10: Ukweqa Ukuhlolwa Kwe-Pilot Ngaphambi Kokufaka Isicelo Esiphelele
Umthombo ngamunye wamanzi angcolile uhlukile.
Amanzi angcolile asezimbonini ayahlukahluka kakhulu phakathi kwalokhu okulandelayo:
- Izimboni zezindwangu
- Izimboni zephepha
- Izimboni zokucubungula ukudla
- Imisebenzi yezimayini
- Ukuhlolwa kwe-pilot kuqinisekisa:
- Ukukhetha umkhiqizo okulungile
- Uhla lwesilinganiso esifanele
- Ukuqinisekiswa kokuhambisana
Ukweqa lesi sinyathelo kwandisa ingozi yokusebenza.
Indlela Yokuthuthukisa Ukusebenza Kwe-PDADMAC Ekuphathweni Kwamanzi
Isinyathelo 1:
Yenza Ukuhlaziywa Kwamanzi Okuphelele
Hlaziya:
- Ukuvuvukala
- I-COD/BOD
- Izinto eziqinile ezilengayo
- pH
- Izinga lokushisa
- Ukuqhuba
Isinyathelo 2:
Yenza Ukuhlolwa Kwebhodlela Lelebhu
Lingisa:
- Amazinga ahlukene omthamo
- Izisindo zama-molecule ezahlukene
- Ukulandelana okuhlukahlukene kokulinganisa
Isinyathelo 3:
Sebenzisa Izivivinyo Zensimu Ezilawulwayo
Qala ngokulinganisa nokuqapha okulondoloziwe:
- Isikhathi sokuxazulula
- Izici ze-sludge
- Umthwalo wesihlungi
Isinyathelo 4:
Misa Izinqubo Zokusebenza Ezijwayelekile
Idokhumenti:
- Amanani okulinganisa
- Ukuxuba amandla
- Ukulungiswa kwesizini
Ukungaguquguquki kuqinisekisa ukusebenza okuzinzile kokwelashwa.
I-PDADMAC kuzicelo zikaMasipala vs Izimboni
Ukwelashwa Kwamanzi Okuphuza KaMasipala
Izindawo okugxilwe kuzo:
- Ukungcola okuphansi
- Ukuthobela imithetho
- Izinsalela ezincane
Amaphutha avame ukuhlanganisa umthamo oweqile kanye nokuxubana okungekuhle.
Ukwelashwa Kwamanzi Angcolile Ezimbonini
Izindawo okugxilwe kuzo:
- I-COD ephezulu
- Izinto eziqinile ezilenga kakhulu
- Ukwakheka okuguquguqukayo
Amaphutha avame ukubandakanya ukukhetha umkhiqizo okungalungile kanye nokuntuleka kokuhlolwa kokuhlola.
Ukweqisa umthamo kungabangela ukubuyiselwa kwezinhlayiya (ukungcola okunamafu), kwandise umthamo wodaka, futhi kukhuphule izindleko zamakhemikhali.
Yebo, kodwa ukusebenza kungase kwehle, futhi ukulungiswa komthamo kuvame ukudingeka.
Yebo. I-PDADMAC ivame ukusetshenziswa kanye ne-PAC ukuze kuqiniswe ukujiya kwamangqamuzana.
Yebo. Isisindo sama-molecule sithinta ikhono lokuhlanganisa kanye namandla e-floc.
I-PDADMAC iyi-flocculant enamandla futhi eguquguqukayo ekuphatheni amanzi. Kodwa-ke, ukusebenza kwayo kuncike kakhulu ekukhetheni okulungile, ukwenza ngcono umthamo, ukuxuba kahle, kanye nokuqapha uhlelo.
Amaphutha avame kakhulu—umthamo ongalungile, ukuxubana okubi, ukuhlanganiswa kwamakhemikhali okungahambisani, ukuhlolwa okunganele, kanye nokugcinwa okungafanele—kunganciphisa kakhulu ukusebenza kahle kokwelashwa futhi kwandise izindleko zokusebenza.
Ngokusebenzisa ukuhlolwa kwelabhorethri, izivivinyo zokuhlola, kanye nokuphathwa kwamakhemikhali okuqhutshwa idatha, izikhungo zokwelapha amanzi zingenza okulandelayo:
- Thuthukisa ukususwa kokungcola
- Nciphisa ivolumu yodaka
- Izindleko zokwelapha eziphansi
- Thuthukisa ukuzinza kwesistimu
Kwabochwepheshe bokwelapha amanzi, ukwenza ngcono ukusetshenziswa kwe-PDADMAC akukhona nje ukukhetha i-polymer—kumayelana nokuklama isu eliphelele nelisebenzayo lokujiya.
Uma ufuna isiqondiso sobuchwepheshe noma izixazululo ze-PDADMAC ezisezingeni eliphezulu zokwelashwa kwamanzi kamasipala noma ezimbonini, ukusebenza nomhlinzeki onolwazi ohlinzeka ngokusekelwa kwelabhorethri kanye nezincomo ezenziwe ngokwezifiso kubalulekile empumelelweni yokusebenza yesikhathi eside.
Isikhathi sokuthunyelwe: Mashi-03-2026
