Ngaba wakha wongeza i-Aluminium Sulphate kwitanki yakho yonyango, ulindele amanzi acwengileyo, uze ubukele i-pH ihla ngelixa amanzi ehlala enamafu? Awuwedwa. Ekunyangweni kwamanzi, i-Alum yindawo enamandla, kodwa ikwayi-chemical wildcard ukuba awuyilawuli indalo.
Xa i-aluminium sulphate idibana namanzi, ayinyibiliki nje kuphela—ibangela i-complex, cascading chemical reaction etshintsha i-water chemistry ngemizuzwana. Ukuba ubushushu, i-alkalinity, okanye i-dose iphantsi kancinci, inkqubo yakho yokujiya iya kusilela, nto leyo ezakubiza ixesha nemali.
Kule sikhokelo, siza kuhlalutya ikhemikhali echanekileyo engasemva kwe-aluminium sulphate kunye ne-water reaction, sichaze isizathu sokuba i-pH yakho iziphatha ngale ndlela, kwaye sikubonise indlela yokwazi kakuhle i-reaction ukuze kubekho ukusebenza kakuhle komhlambi.
Isishwankathelo se-Aluminium Sulfate
I-aluminium sulfate, emele ngokwekhemikhali njenge-Al2(SO4)3, yikristale emhlophe eqinileyo esetyenziswa kakhulu kwiinkqubo zokunyanga amanzi. Xa i-aluminium sulfate isabela namanzi, idlula kwi-hydrolysis, i-chemical reaction apho iimolekyuli zamanzi zahlula i-compound zibe yi-ions zayo. Le reaction idlala indima ebalulekileyo kwiindlela ezahlukeneyo zokusebenza, ngakumbi ekucoceni amanzi.
I-aluminium sulfate: Impendulo ye-Hydrolysis kunye nokuziphatha kweekhemikhali
Xa idibana namanzi, i-aluminium sulfate iyahlukana ibe yi-aluminium ions (Al³⁺) kunye ne-sulfate ions (SO₄²⁻). Emva koko i-aluminium ions isabela ngakumbi kwiimolekyuli zamanzi nge-hydrolysis, zenze uthotho lweentlobo ze-aluminium hydroxide. Le nkqubo ingenziwa lula ngolu hlobo:
Al3++ 3H2O → Al(OH)3↓ + 3H+
Isiphumo kukwenziwa kwe-amorphous aluminium hydroxide (Al(OH)₃), i-gelatinous precipitate, kunye nokukhululwa kwee-hydrogen ions (H⁺), ezinegalelo ekwandeni kwe-asidi kwisisombululo.
Indima yeAluminium Hydroxide
I-aluminium hydroxide eyenziwe ngexesha le-hydrolysis isebenza kakhulu njenge-coagulant. Ngenxa yendawo yayo enkulu yomphezulu kunye ne-positive charge, iyazisusa iinxalenye ezine-negative charge ezifana nezi:
- Udongwe kunye nentlaka
- Izinto eziphilayo
- Iintsholongwane
Njengoko la masuntswana elahlekelwa kukuzinza kwawo, aqala ukuhlangana abe ngamaqela amakhulu, aziwa ngokuba zii-flocs. Le nkqubo ibalulekile kwezi zinto zilandelayo:
- Ukujiya – ukuphazamisa ukuzinza kwamasuntswana axhonyiweyo
- Ukuqunjelwa – okwenza amasuntswana amakhulu, azinzileyo
Ezi flocs zinokususwa ngokulula ngokusebenzisa i-sedimentation okanye i-filtration, nto leyo ekhokelela kumanzi acacileyo nacocekileyo.
Impembelelo ye-Aluminium Sulfate kwi-pH kunye ne-Alkalinity
Inxalenye ephambili ye-aluminium sulfate hydrolysis kukukhululwa kwee-ion ze-hydrogen, ezinciphisa i-pH yamanzi kwaye zinciphise i-alkalinity. Oku kuthetha:
- Amanzi aba ne-asidi engakumbi
- Umthamo wokufaka i-buffer (i-alkalinity) uyancipha
Kwiinkqubo ezine-alkalinity ephantsi—ezifana namachibi okudada okanye imithombo ethile yamanzi eluhlaza—oku kunokuchaphazela kakubi ukusebenza kakuhle konyango. Ukuze kugcinwe iimeko ezifanelekileyo, i-alkalinity idla ngokulungiswa ngokongeza iikhompawundi ezifana ne-sodium bicarbonate (NaHCO₃).
Ukugcina amanqanaba e-pH afanelekileyo (ngesiqhelo malunga ne-6.0–7.5 yokujiya) kubalulekile ekuphuculeni ukusebenza kwee-coagulants ezisekwe kwi-aluminium.
I-Aluminium Sulfate kwiZicelo zoNyango lwaManzi
Indlela esebenza ngayo i-aluminium sulfate namanzi ibalulekile kwiinkqubo zokucocwa kwamanzi zikamasipala nezemizi-mveliso. Isetyenziswa kakhulu kwezi zinto zilandelayo:
- Ukucoca amanzi okusela
- Unyango lwamanzi amdaka
- Ukucoca amanzi echibini lokuqubha
Ukusebenza kwayo kakuhle, ukonga iindleko, kunye nokulula kokusetyenziswa kwayo kuyenza ibe yenye yezona coagulants zisetyenziswa kakhulu kwihlabathi liphela.
Izinto eziqwalaselwayo kwiNdalo
Nangona i-aluminium sulfate isebenza kakuhle kakhulu, ukusetyenziswa kwayo kufuneka kulawulwe ngononophelo. I-aluminium eseleyo eseleyo emanzini acociweyo inokubangela iingxaki zokusingqongileyo kunye nemithetho. Ke ngoko:
- Ukulinganisa ngokuchanekileyo kubalulekile
- Ukubekwa esweni rhoqo kuyafuneka
- Ukuthobela imigangatho yomgangatho wamanzi kwindawo kufuneka kuqinisekiswe
Ulawulo olufanelekileyo luqinisekisa ukusebenza kakuhle konyango kunye nokhuseleko lokusingqongileyo.
Xa i-aluminium sulfate idibana namanzi, ingena kwi-hydrolysis ukuze yenze i-aluminium hydroxide kunye nee-hydrogen ions. I-aluminium hydroxide ephumayo isebenza njenge-coagulant enamandla, evumela ukususwa kokungcola okuxhonyiweyo ngokujiya kunye nokuqubha.
Ngolawulo olufanelekileyo lwe-pH, idosi, kunye nokubeka esweni, i-aluminium sulfate ihlala isisisombululo esithembekileyo nesisebenzayo kwiinkqubo zanamhlanje zokunyanga amanzi.
Ixesha lokuthumela: Matshi-05-2024
