Kodi Polyaluminium Chloride ndi chiyani?
Polyaluminium chloride, yomwe chidule chake ndi PAC, ndi mankhwala ochizira madzi a polima osapangidwa ndi zinthu zachilengedwe. Mitunduyi imagawidwa m'magulu awiri: kugwiritsa ntchito madzi akumwa kunyumba ndi kugwiritsa ntchito madzi akumwa omwe si a m'nyumba, ndipo iliyonse imatsatira miyezo yosiyana. Mawonekedwe ake amagawidwa m'magulu awiri: amadzimadzi ndi olimba. Chifukwa cha zinthu zosiyanasiyana zomwe zili muzinthu zopangira, pali kusiyana kwa mawonekedwe amitundu ndi zotsatira zake.
Polyaluminium chloride ndi chinthu cholimba chopanda mtundu kapena chachikasu. Yankho lake ndi madzi owoneka bwino opanda mtundu kapena achikasu, osungunuka mosavuta m'madzi ndi mowa wochepa, osasungunuka mu mowa wopanda madzi ndi glycerol. Iyenera kusungidwa m'nyumba yosungiramo zinthu yozizira, yopuma mpweya, youma, komanso yoyera. Pakunyamula, ndikofunikira kuteteza ku mvula ndi dzuwa mwachindunji, kupewa kutayika kwa madzi, ndikusamalira mosamala ponyamula ndi kutsitsa kuti mapaketi asawonongeke. Nthawi yosungiramo zinthu zamadzimadzi ndi miyezi isanu ndi umodzi, ndipo pazinthu zolimba ndi chaka chimodzi.
Mankhwala oyeretsera madzi amagwiritsidwa ntchito makamaka poyeretsa madzi akumwa, madzi otayira m'mafakitale, ndi zimbudzi za m'nyumba za m'mizinda, monga kuchotsa chitsulo, fluorine, cadmium, kuipitsa kwa radioactive, ndi mafuta oyandama. Amagwiritsidwanso ntchito poyeretsera madzi otayira m'mafakitale, monga kusindikiza ndi kuyika utoto m'madzi otayira. Amagwiritsidwanso ntchito popaka utoto molondola, mankhwala, kupanga mapepala, rabara, kupanga zikopa, mafuta, makampani opanga mankhwala, ndi utoto. Polyaluminium chloride imagwiritsidwa ntchito ngati mankhwala oyeretsera madzi komanso zinthu zodzikongoletsera poyeretsera pamwamba.
Polyaluminium chloride ili ndi mayamwidwe, magayidwe, mvula ndi zina. Ilinso ndi kukhazikika koyipa, poizoni, komanso kuwononga. Ngati mwangozi mwaithira pakhungu, tsukani nthawi yomweyo ndi madzi. Ogwira ntchito yopangira ayenera kuvala zovala zogwirira ntchito, masks, magolovesi, ndi nsapato zazitali za rabara. Zipangizo zopangira ziyenera kutsekedwa, ndipo mpweya wabwino wa workshop uyenera kukhala wabwino. Polyaluminium chloride imawola ikatenthedwa pamwamba pa 110 ℃, kutulutsa mpweya wa hydrogen chloride, ndipo pamapeto pake imawola kukhala aluminiyamu oxide; Imakumana ndi asidi kuti ichotsedwe, zomwe zimapangitsa kuti polymerization ndi alkalinity zichepe, pamapeto pake zimasanduka mchere wa aluminiyamu. Kugwirizana ndi alkali kumatha kuwonjezera polymerization ndi alkalinity, pamapeto pake kumapangitsa kuti aluminium hydroxide precipitate kapena aluminate salt ipangidwe; Ikasakanizidwa ndi aluminiyamu sulfate kapena mchere wina wa multivalent acid, mvula imapangidwa mosavuta, zomwe zimatha kuchepetsa kapena kutaya kwathunthu magayidwe.
Nthawi yotumizira: Julayi-12-2024