Ukwelashwa kwamanzi kuyingxenye ebalulekile yokuvikelwa kwemvelo kanye nempilo yomphakathi, kanye nenhloso yako ukuqinisekisa ikhwalithi yamanzi ephephile futhi kuhlangabezana nezidingo zezicelo ezahlukahlukene. Phakathi kwezindlela eziningi zokwelashwa kwamanzi,polyaluminum chloride(I-PAC) idonswa kabanzi ngezakhiwo zayo ezihlukile nomphumela wokuhlangana ofanele.
Umphumela wokuhlangana ofanele: I-PAC inokusebenza okuhle kakhulu kokuhlangana futhi ingasusa ngempumelelo ukungcola okufana nama-solids amisiwe, ama-colloids kanye nodaba lwe-insoluble organic emanzini futhi uthuthukise ikhwalithi yamanzi.
Indlela ye-polyaluminium chloride (PAC) njenge-coabulant ikakhulukazi ifaka ukucindezelwa kwesendlalelo sogesi kagesi, ishaja ukungathathi hlangothi kanye nokugopha kwenetha. Ukucindezelwa kwesendlalelo sikagesi esiphindwe kabili kusho ukuthi ngemuva kokungeza i-PAC emanzini, i-aluminium ion nama-ions we-chloride yakha ungqimba lwe-adsorpl ebusweni bezinhlayiya ze-colloidal, ngazinza bakhiphe amandla futhi bazibeke phansi; I-Adsorption Bridging yizindawo ezikuma-molecule e-PAC zihehana futhi amacala amabi ngaphezulu kwezinhlayiya ze-colloidal, akha "isakhiwo se-" Bridge "ukuxhuma izinhlayiya eziningi ze-colloidal; Umphumela we-NetTeng udlula nge-adsorption kanye nomphumela wokubopha ama-molekyuli e-PAC nezinhlayiya ze-colloidal, ezinamathisela izinhlayiya ze-colloidal. Ubanjwe kunethiwekhi yama-molecule abumbano.
I-Polyaluminum Chloride Amanzi Ukwelashwa Amanzi Ukusetshenziswa
Uma kuqhathaniswa ne-inorganic flocculants, ithuthukise kakhulu umphumela wokuhlobisa udayi. Indlela yayo yesenzo ukuthi i-PAC ingakhuthaza ama-molecule edayi ukwakha ama-flocs amahle ngokucindezela noma ukungathathi hlangothi kwesendlalelo sikagesi esiphindwe kabili.
Lapho i-PAM isetshenziswa ngokuhlanganiswa ne-PAC, ama-molecule e-anionic organic polymer angasebenzisa umphumela wokubhuka kwamaketanga abo amahle amamolekyuli ukukhiqiza ama-flocs amakhulu ngokubambisana kwe-ejenti ebekiwe. Le nqubo isiza ukuthuthukisa umphumela wokuxazulula futhi yenza kube lula ukuwasusa i-ion. Ngaphezu kwalokho, inani elikhulu lamaqembu amide aqukethe amaketanga aseceleni kwama-molecule we-anionic polycule angakha ama-Ionic Bonds nge-molecule yedayi. Ukwakheka kwalesi sibopho samakhemikhali kunciphisa insocility ye-organic flocculant emanzini, ngaleyo ndlela kukhuthaza ukwakheka okusheshayo kanye nezulu lama-flocs. Le ndlela ejulile ebophayo yenza kube nzima ngokwengeziwe ngama-ion asesindayo e-ion ukuze abaleke, ethuthukisa ukusebenza kahle kanye nomphumela wokwelashwa.
Ngokuya ngokususwa kwe-phosphorus, ukusebenza kwe-polyaluminum chloride akunakunakwa. Uma ungezwe kumanzi aqukethe ama-phosphorus aqukethe i-wastewater, angakhiqiza i-aluminium yensimbi ye-aluminium. Le ion ibopha ukuncibilikisa ama-phosphates kumanzi amdaka, ukuguqula isikhathi sakamuva sibe yi-phosphate ye-infosbeble. Le nqubo yokuguqulwa isusa ngempumelelo i-phosphate ion kusuka emanzini angcolile bese inciphisa umthelela omubi we-phosphorus emizimbeni yamanzi.
Ngaphezu kokuphendula okuqondile nge-phosphate, umphumela wokuhlangana we-polyaluminum chloride futhi udlala indima ebalulekile kwinqubo yokususa i-phosphorus. Kungafinyelela ama-adsorption kanye nokufakelwa ngokucindezela ungqimba lokushaja ngaphezulu kwe-phosphate ion. Le nqubo idala ukuthi ama-phosphase nokunye ukungcoliswa kwezinto eziphilayo emanzini angcolile ukuze aqede ama-clumps masinyane, akha ama-flocs okulula ukuze axazulule.
Okubaluleke kakhulu, ama-solids amahle amisiwe amisiwe akhiqizwa ngemuva kokungeza i-ejenti yokususa i-phosphorus, i-PAC isebenzisa indlela yayo eyingqayizivele yokubamba kanye nokushayisana kwama-solids amiswe kancane kancane, bese ihlangana, futhi ihlanganise izinhlayiya ezinkulu. Lezi zinhlayiya bese zihlala engqikelweni elingezansi, futhi ngokuhlukaniswa okungamanzi okuqinile, uketshezi oluningi olwenzelwe incekukazi lungakhishwa, ngaleyo ndlela luzuze ukususwa kwe-phosphorus olusebenzayo. Lolu chungechunge lwezinqubo eziyinkimbinkimbi zomzimba kanye namakhemikhali luqinisekisa ukusebenza kahle nokuqina kokwelashwa kwamanzi amdaka, ukuhlinzeka ngesiqinisekiso esiqinile sokuvikelwa kwemvelo kanye nokusetshenziswa kwamanzi.
Isikhathi sePosi: Jul-10-2024