Kwenzekani lapho i-aluminium sulphate ihlangana namanzi?

I-aluminium sulfate, amakhemikhali amelelwa njenge-Al2(SO4)3, iyikristalu eqinile emhlophe evame ukusetshenziswa ezinqubweni zokwelashwa kwamanzi.Lapho i-aluminium sulfate ihlangana namanzi, ingena emanzini, i-hydrolysis, ukusabela kwamakhemikhali lapho ama-molecule amanzi ehlukanisa inhlanganisela ibe ama-ion ayo.Lokhu kusabela kudlala indima ebalulekile ekusetshenzisweni okuhlukahlukene, ikakhulukazi ekuhlanzeni amanzi.

Umkhiqizo oyinhloko walokhu kusabela i-aluminium hydroxyl complex.Le nkimbinkimbi ibalulekile ekuhlanzeni amanzi, njengoba isiza ekukhipheni ukungcola emanzini.I-Aluminium hydroxyl complex inomthamo wokushaja okuphezulu, futhi lapho yakhiwe, ivamise ukubamba futhi ihlanganise izinhlayiya ezimisiwe, njengobumba, udaka, nezinto eziphilayo.Ngenxa yalokho, lokhu kungcola okuncane kuba izinhlayiya ezinkulu futhi ezinzima, okwenza kube lula ukuthi ziphume emanzini.

I-sulfuric acid ekhiqizwa ekuphenduleni ihlala isixazululo futhi inomthelela ku-asidi jikelele yesistimu.I-acidity ingashintshwa njengoba kudingeka, kuye ngezidingo ezithile zenqubo yokwelashwa kwamanzi.Ukulawula i-pH kubalulekile ekuthuthukiseni ukusebenza kahle kwezinqubo ze-coagulation kanye ne-flocculation.Futhi kunciphisa i-alkalinity yamanzi.Uma i-alkalinity yamanzi echibini ngokwayo iphansi, khona-ke i-NaHCO3 idinga ukungezwa ukuze kwandiswe i-alkalinity yamanzi.

Ukusabela phakathi kwe-aluminium sulfate namanzi kuvame ukusetshenziswa ezinyathelweni zokuhlanganisa kanye ne-flocculation zezitshalo zokuhlanza amanzi.I-coagulation ihilela ukuchithwa kwezinhlayiya ezimisiwe, kuyilapho i-flocculation ikhuthaza ukuhlanganiswa kwalezi zinhlayiya zibe ama-flocs amakhulu, ahlala kalula.Zombili lezi zinqubo zibalulekile ekususeni ukungcola kanye nokucaciswa kwamanzi.

Kubalulekile ukuqaphela ukuthi ukusetshenziswa kwe-aluminium sulfate ekuhlanzeni amanzi kuye kwaphakamisa ukukhathazeka kwemvelo ngenxa yokunqwabelana okungenzeka kwe-aluminium ezindaweni eziphila emanzini.Ukunciphisa lokhu kukhathazeka, ukulinganisa okunembile nokuqapha kubalulekile ukuze kuqinisekiswe ukuthi ukugxila kwe-aluminium emanzini ahlanzekile kuyahlangabezana nezindinganiso zokulawula.

Sengiphetha, lapho i-aluminium sulfate isabela emanzini, ingena ku-hydrolysis, ikhiqize i-aluminium hydroxide ne-sulfuric acid.Lokhu kusabela kwamakhemikhali kuyingxenye yezinqubo zokwelashwa kwamanzi, lapho i-aluminium hydroxide isebenza njenge-coagulant ukuze isuse ukungcola okumisiwe emanzini.Ukulawula nokuqapha okufanele kuyadingeka ukuze kuqinisekiswe ukuhlanzwa kwamanzi okusebenzayo kuyilapho kunciphisa umthelela wendawo.