Kodi munayamba mwawonjezerapo Aluminium Sulphate mu thanki yanu yoyeretsera madzi, mukuyembekezera madzi oyera ngati kristalo, koma mukuona pH ikutsika pamene madzi akupitirirabe kukhala ndi mitambo? Simuli nokha. Pakuyeretsa madzi, Alum ndi malo amphamvu, komanso ndi mankhwala owopsa ngati simukulamulira chilengedwe.
Pamene aluminiyamu sulphate ichitapo kanthu ndi madzi, simangosungunuka—imayambitsa kusintha kwa mankhwala komwe kumasintha kapangidwe ka madzi mumasekondi. Ngati kutentha, alkalinity, kapena mlingo wake wachepa pang'ono, njira yanu yolumikizirana idzalephera, zomwe zingakuwonongereni nthawi ndi ndalama.
Mu bukhuli, tifotokoza momwe zinthu zilili ndi aluminium sulphate ndi madzi, tifotokoza chifukwa chake pH yanu imachita zinthu motere, ndikuwonetsani momwe mungadziwire momwe zinthu zilili kuti gulu lanu ligwire bwino ntchito.
Chidule cha Aluminium Sulfate
Aluminiyamu sulfate, yomwe imayimiridwa ndi mankhwala monga Al2(SO4)3, ndi chinthu choyera cha kristalo chomwe chimagwiritsidwa ntchito kwambiri pochiza madzi. Pamene aluminiyamu sulfate imachitapo kanthu ndi madzi, imadutsa mu hydrolysis, njira ya mankhwala yomwe mamolekyu amadzi amagawaniza chinthucho kukhala ma ayoni ake. Njirayi imagwira ntchito yofunika kwambiri pa ntchito zosiyanasiyana, makamaka pakuyeretsa madzi.
Aluminium sulfate: Hydrolysis Reaction ndi Mankhwala Khalidwe
Akakumana ndi madzi, aluminiyamu sulfate imagawanika kukhala ma ayoni a aluminiyamu (Al³⁺) ndi ma ayoni a sulfate (SO₄²⁻). Kenako ma ayoni a aluminiyamu amachitapo kanthu kwambiri ndi mamolekyu amadzi kudzera mu hydrolysis, ndikupanga mitundu yosiyanasiyana ya aluminiyamu hydroxide. Njirayi ikhoza kusinthidwa motere:
Al3++ 3H2O → Al(OH)3↓ + 3H+
Zotsatira zake ndi kupangidwa kwa amorphous aluminium hydroxide (Al(OH)₃), gelatinous precipitate, pamodzi ndi kutulutsidwa kwa ma hydrogen ions (H⁺), omwe amathandizira kuwonjezeka kwa acidity mu yankho.
Udindo wa Aluminium Hydroxide
Aluminium hydroxide yomwe imapangidwa panthawi ya hydrolysis imagwira ntchito bwino kwambiri ngati coagulant. Chifukwa cha malo ake akuluakulu komanso mphamvu yabwino, imachotsa tinthu tating'onoting'ono tomwe tili ndi mphamvu yoipa monga:
- Dongo ndi matope
- Zinthu zachilengedwe
- Tizilombo toyambitsa matenda
Tinthu timeneti tikataya kukhazikika, timayamba kusonkhana m'magulu akuluakulu, otchedwa flocs. Njirayi ndi yofunika kwambiri pa:
- Kugawanika kwa tinthu tating'onoting'ono tomwe timapachikidwa m'thupi - kusokoneza tinthu tating'onoting'ono tomwe timapachikidwa
- Kusungunuka kwa madzi – kupanga tinthu tating'onoting'ono tomwe timatha kukhazikika
Ma floc amenewa amatha kuchotsedwa mosavuta kudzera mu sedimentation kapena kusefa, zomwe zimapangitsa kuti madzi akhale oyera komanso oyera.
Zotsatira za Aluminium Sulfate pa pH ndi Alkalinity
Mbali yofunika kwambiri ya aluminium sulfate hydrolysis ndi kutulutsa ma hydrogen ions, zomwe zimachepetsa pH ya madzi ndikuchepetsa alkalinity. Izi zikutanthauza:
- Madzi amakhala ndi asidi wambiri
- Mphamvu yolumikizira (alkalinity) imachepa
M'maselo omwe ali ndi alkali yochepa—monga maiwe osambira kapena madzi ena osaphika—izi zingakhudze bwino momwe mankhwala amagwiritsidwira ntchito. Kuti zinthu ziyende bwino, alkali nthawi zambiri imasinthidwa powonjezera zinthu monga sodium bicarbonate (NaHCO₃).
Kusunga pH yoyenera (nthawi zambiri pafupifupi 6.0–7.5 pa kugawanika kwa madzi) ndikofunikira kwambiri kuti ma coagulants okhala ndi aluminiyamu agwire bwino ntchito.
Aluminiyamu Sulfate mu Ntchito Zochizira Madzi
Kuchitapo kanthu pakati pa aluminiyamu sulfate ndi madzi ndikofunikira kwambiri pa njira zoyeretsera madzi m'matauni ndi m'mafakitale. Amagwiritsidwa ntchito kwambiri mu:
- Kuyeretsa madzi akumwa
- Kuchiza madzi otayira
- Kuyeretsa madzi a dziwe losambira
Kugwira kwake ntchito bwino, kugwiritsa ntchito bwino ndalama, komanso kugwiritsa ntchito mosavuta kumapangitsa kuti ikhale imodzi mwa mankhwala opha tizilombo toyambitsa matenda omwe amagwiritsidwa ntchito kwambiri padziko lonse lapansi.
Zoganizira Zachilengedwe
Ngakhale aluminiyamu ya sulfate ndi yothandiza kwambiri, kugwiritsidwa ntchito kwake kuyenera kulamulidwa mosamala. Aluminiyamu yotsala yochulukirapo m'madzi okonzedwa ingayambitse mavuto azachilengedwe komanso malamulo. Chifukwa chake:
- Kuyeza mlingo molondola n'kofunika kwambiri
- Kuwunika kosalekeza kumafunika
- Kutsatira miyezo ya khalidwe la madzi m'deralo kuyenera kutsimikiziridwa
Kuyang'anira bwino kumatsimikizira kuti chithandizocho chikugwira ntchito bwino komanso kuti chiteteze chilengedwe.
Pamene aluminiyamu sulfate ichitapo kanthu ndi madzi, imapangidwa ndi hydrolysis kuti ipange aluminiyamu hydroxide ndi ma ayoni a hydrogen. Aluminium hydroxide yomwe imachokera imagwira ntchito ngati coagulant yamphamvu, zomwe zimathandiza kuchotsa zonyansa zomwe zimapachikidwa kudzera mu coagulation ndi flocculation.
Ndi kuwongolera bwino pH, mlingo, ndi kuyang'anira, aluminiyamu sulfate imakhalabe yankho lodalirika komanso lothandiza pamakina amakono oyeretsera madzi.
Nthawi yotumizira: Marichi-05-2024
