Xu darong 1,2, Zhang Zhongzhi 2, Jiang Hao 1, Ma zhigang 1
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I-Abstract: Ensimini yamanzi amdaka kanye nokulahla imfucumfucu, i-PAC ne-pam kusetshenziswe kabanzi njenge-flocculants evamile kanye nezinsiza ezibuthakathaka. Leli phepha liyethula umphumela wohlelo lokusebenza kanye nesimo sokucwaninga se-PAC-PAM emikhakheni ehlukene, sichaza kafushane ukuqonda nokubukwa kwabaphenyi abahlukene ngokuhlanganiswa kwe-PAC-Pam ngaphansi kwezimo ezahlukahlukene zokuhlola kanye nezimo zensimu. Ngokusho kwemiphumela yokuqukethwe kanye nokuhlaziywa kokubuyekezwa, leli phepha libonisa umgomo wangaphakathi we-PAC-PAM asetshenziswa ezimweni zokusebenza ezahlukahlukene, futhi akhombe ukuthi inhlanganisela ye-PAC ne-PAM nayo inesici, futhi imodi yayo yohlelo lokusebenza idinga ukunqunywa ngokuya ngesimo esithile.
Amagama agqamile: Polyaluminium Chloride; Polycrylamide; Ukwelashwa kwamanzi; Umuntu ovundayo
0 Isingeniso
Ensimini yezimboni, ukusetshenziswa okuhlangene kwe-polyaluminium chloride (PAC) nePolylamide (Pam) yokwelapha amanzi angcolile kanye ne-wattes efanayo akwenzile, kepha indlela yayo yokuhlangana ayicaci, futhi isilinganiso semithamo sokusebenza okuhlukile emikhakheni ehlukene futhi kuhlukile.
Leli phepha lihlaziya ngokugcwele inani elikhulu lezincwadi ezifanele ekhaya nakwamanye amazwe, lifingqa indlela yokuhlanganisa ye-PAC ne-PAC, futhi yenza izibalo ezibanzi ezindaweni ezahlukahlukene ze-PAC kanye ne-PAM ezimbonini ezahlukahlukene, ezinemiphumela yokuqhuma ocwaningweni oluhlobene.
1. Isibonelo sokucwaninga kwesicelo sasekhaya se-PAC-Pam
Umphumela we-Crosslinking we-PAC nePam usetshenziswa kuzo zonke izigaba zokuphila, kepha umthamo kanye nokusekela izindlela zokwelashwa zihlukile ezimweni ezihlukile zokusebenza kanye nezimo zokwelashwa.
1.1 Ukukhucululwa Kwendle Ezifuywayo kanye ne-Sludge kamasipala
UZhao Yueyang (2013) nabanye bahlola umphumela wokuhlangana we-pam njengosizo oluhlanganayo ku-PAC ne-PAFC ngokusebenzisa indlela yokuhlolwa kwasendlini. Ukuhlolwa kwathola ukuthi umphumela wokuhlangana we-PAC ngemuva kokugqekeza kwe-PAM kwandiswa kakhulu.
Wang Mutong (2010) nabanye bafunda umphumela wokwelashwa we-PAC + PA ekugqekeleni endle kwezwe edolobheni, futhi wafunda ukusebenza kahle kwezokususa ama-Cod kanye nezinye izinkomba ngokusebenzisa izivivinyo ze-orthogonal.
I-LIN YINGZI (2014) et al. Ufunde umphumela wokuthuthumela othuthukisiwe we-PAC nePam ku-algae esitshalweni sokwelashwa kwamanzi. Yang hongmei (2017) et al. Wafunda umphumela wokwelashwa wokusetshenziswa okuhlangene kuma-kimchi wachitha amanzi, futhi wabheka ukuthi inani elifanelekile le-ph lalingu-6.
I-FU Peiqian (2008) et al. Wafunda umphumela we-composite flocculant wafaka usebenzise ukusebenzisa amanzi. Ngokukala imiphumela yokususa yokungcola efana ne-turbidity, i-TP, i-COD ne-phosphate kumasampula wamanzi, kutholakala ukuthi i-composite flocculant inomphumela omuhle wokususwa kuzo zonke izinhlobo zokungcola.
I-CAO Longtian (2012) nabanye bamukele indlela yokuqagela kwe-composite ukuxazulula izinkinga zamanani okusabela kancane, ama-flocs akhanyayo futhi kunzima ukucwila kwinqubo yokwelashwa kwamanzi enyakatho-mpumalanga yeChina ngenxa yokushisa okuphansi ebusika.
I-LIU HAO (2015) et al. Wafunda umphumela wokwelashwa we-composite flocculant ekusukeni okunzima kokudicilela phansi indle ezindlini, futhi uthole ukuthi ukwengeza inani elithile le-pam floccute ngenkathi ungeza i-pam ne-PAC kungakhuthaza umphumela wokugcina wokwelashwa.
1.2 Ukuphrinta nokudaya amanzi angcolile kanye namanzi amdaka emapapa
Zhang lanhe (2015) et al. Wafunda umphumela wokuxhumanisa weChitosan (CTS) kanye ne-coabulant ekwelapheni kwamanzi amdaka emaphaketheni, futhi athola ukuthi kungcono ukwengeza i-chitosan
Amanani okususa we-COD ne-turbidity anyuswe ngo-13.2% no-5.9%.
I-Xie Lin (2010) yafunda umphumela we-PAC kanye nokwelashwa okuhlanganisiwe kwamanzi amdaka emapapa.
I-Liu Zhiqiang (2013) nabanye basebenzise i-PAC-eyenziwe nge-PAC ne-PAC ye-Flocculant ehlanganiswe ne-ultrasonic yokwelapha amanzi azokuphrinta nokudaya. Kwaphethwa ngokuthi lapho inani le-PH laliphakathi kuka-11 no-13, i-PAC yangezwa okokuqala futhi yavuselelwa imizuzu emi-2, bese i-Pac ingezwe futhi ivuswe ngamaminithi amathathu, umphumela wokwelashwa wawusezingeni eliphezulu.
UZhou danni (2016) nabanye bafunda umphumela wokwelashwa we-PAC + Pam ekukhuculeni kwendle ezifuywayo, kuqhathaniswa nomphumela wokwelashwa we-accelerator kanye ne-PAC + Pam bekungcono kakhulu kunendlela yokwelashwa yemvelo.
Wang zhizhi (2014) et al. Wafunda indlela yokwelashwa yokwelapha amaphepha aphakathi nendawo ephakathi nendawo yakwa-wastewater nguPac + Pam Combation njengengxenye yendlela. Lapho umthamo we-PAC uneminyaka engama-250 mg / l, umthamo we-pam ngu-0.7 mg / l, futhi inani le-PH alicishe alithathi hlangothi, isilinganiso sokususa i-Cod sifinyelela kuma-68%.
I-Zuo Weiyuan (2018) nabanye bafunda futhi baqhathanisa nomphumela we-Floccation oxubile we-Fe3o4 / PAC / Pam. Ukuhlolwa kukhombisa ukuthi lapho isilinganiso salaba sithathu singu-1: 2: 1, umphumela wokwelashwa wokuphrinta nokudaya wastewater uhamba phambili.
I-LV Sining (2010) et al. Wafunda umphumela wokwelashwa wenhlanganisela ye-PAC + Pam kumanzi aphansi angcolile. Ucwaningo lukhombisa ukuthi umphumela we-composite floccation umphumela omuhle kakhulu endaweni ene-acid (PH 5). Umthamo we-PAC ungo-1200 mg / l, umthamo we-pam uneminyaka engu-120 mg / l, kanye nesilinganiso sokususa i-Cod kungaphezulu kwama-60%.
1.3 Amanzi angcolile wamalahle aqothulwe amakhemikhali futhi acwengeke emanzini amdaka
Yang lei (2013) et al. Wafunda umphumela wokuhlangana we-PAC + Pam emkhakheni wamalahle wasezimboni wamalahle, waqhathanisa ukulungiswa okusele ngaphansi kwezilinganiso ezihlukile, futhi wanikeza umthamo olungisiwe we-PAM ngokuya ngobuthakathaka bokuqala bokuqala.
UFang Xiaoling (2014) nabanye baqhathanisa umphumela wokuhlangana we-PAC + Chi ne-PAC + Pam e-Phreery Wastewater. Baphetha ngokuthi i-PAC + Chi yayinomphumela omuhle we-floccation kanye nokusebenza kahle kokususa i-Cod. Imiphumela yokuhlola ikhombisile ukuthi isikhathi esibi esivusa amaminithi sasiyi-10 min kanye nenani elikhulu le-PH lalingu-7.
UDeng Lei (2017) et al. Wafunda umphumela we-PAC + Pam ku-dring fluid fluid uketshezi lwamanzi angcolile, kanye nesilinganiso sokususa i-Cod kufinyelelwe ngaphezulu kwama-80%.
I-Wu Jinhua (2017) et al. Wafunda ukwelashwa kwamakhemikhali amakhemikhali angcolile ngokuhlangana. I-PAC yi-2 g / l ne-pam ingu-1 mg / L. Ukuhlolwa kukhombisa ukuthi inani elihle kakhulu le-PH lingu-8.
UGuo jinling (2009) et al. Wafunda umphumela wokwelashwa kwamanzi we-composite flocculation futhi wabheka ukuthi umphumela wokususwa ubehamba phambili lapho umthamo we-PAC wawungu-24 mg / l futhi uPam wayengu-0.3 Mg / L.
I-LIN Lu (2015) et al. Wafunda umphumela we-floccution wenhlanganisela ye-pac-pam kumafutha e-emulsofied equkethe amanzi angcolile ngaphansi kwezimo ezihlukile, futhi waqhathanisa nomphumela we-flecculant eyodwa. Umthamo wokugcina yile: I-PAC 30 mg / L, PAM6 MG / L, Amiite lokushisa 40, isikhathi sokudideka kanye nesikhathi sedimentation isikhathi esingaphezu kwamaminithi angama-30. Ngaphansi kwezimo ezithandeka kakhulu, ukusebenza kahle kwe-Cod Ukususa kufinyelela cishe ama-85%.
2 Isiphetho Neziphakamiso
Inhlanganisela ye-polyaluminium chloride (PAC) nePolyyamide (Pam) isetshenziswe kabanzi kuzo zonke izigaba zokuphila. Inamandla amakhulu emkhakheni wamanzi amdaka kanye nokwelashwa kwe-sludge, kanye nenani layo lezimboni lidinga ukudingidwa.
Indlela yokuhlanganisa ye-PAC ne-Pam ikakhulukazi incike ekunciphiseni okuhle kwe-pam macromoleklar chain, ehlanganiswe ne-al3 + ku-PAC futhi - o ku-pam ukwenza isakhiwo esizinzile. Isakhiwo senethiwekhi singavimbela ukumvimbela okunye ukungcola okufana nezinhlayiya eziqinile namaconsi kawoyela, ngakho-ke kunomphumela omuhle kakhulu wokwelashwa kwamanzi angcolile anezinhlobo eziningi zokungcola namanzi.
Ngasikhathi sinye, inhlanganisela ye-PAC nePam nayo inezinkinga. Okuqukethwe kwamanzi kwe-floccate esungulwe kuphezulu, futhi isakhiwo salo sangaphakathi esizinzile siholela ezitidingo eziphakeme zokwelashwa kwesibili. Ngakho-ke, ukuthuthukiswa okwengeziwe kwe-PAC kuhlangene noPam kubhekene nobunzima nezinselelo.
Isikhathi Sokuthumela: Oct-09-2021