Ko pac inoita sei mukurapwa kwemvura?

Polandauminum chloride (Pac) inoita basa rakakosha mumvura yekurapa kwemvura, achishumira seyekubudirira coagulant uye floculant. Mudenga rekunatswa kwemvura, Pac rinozoshandiswa zvakanyanya nekuda kwekuita kwayo uye kushanda kwekubvisa kubvisa kubva pamvura. Iyi yemakemikari yemakemikari ndeyekuti mutambi akakosha mune yekubatira uye afloculing matanho, achibatsira kusimudzira kugona kwakawanda kwezvirimwa zvemvura.

Cogulation ndiyo yekutanga nhanho mukurapwa kwemvura, apo pac inowedzerwa kune mvura mbichana. Iyo yakanaka inobhadharwa aluminium ion muPac ichirereka zvakashata zvakamiswa pamvura yakamiswa mumvura, zvichikonzera kuti vabatanidze pamwe chete. Izvi zvimedu zvevakabatanidzwa zvinoumba hombe uye inorema vachikwidzana, zvichiita kuti zvive nyore kwavari kuti vagare kunze kwemvura panguva yakatarwa. Maitiro ezanalation akakosha kuti abvise collodal uye akasvibiswa zvisingabviswe nyore nyore.

Kugona kunotevera kutevera kabhuku uye kunosanganisira kusimudzira zvinyoro-nyoro kana kusanganisa kwemvura kuti ukurudzire kuumbwa kwezvibodzwa zvakakura kubva pamakwenzi emakwenzi. Pac AIDS iri muchikamu ichi nekupa imwezve mhosva dzakapomerwa, kusimudzira kukanganiswa uye kusunganidzwa kwezvidimbu kuti iite kunyange yakakura uye denser flocs. Aya ma flocs anogadzika zvakanyanya panguva yekudyara, kupa mvura yakajeka.

Chimwe chezvakanaka zvakanakira pac mumvura kurapwa ndiko kuchinja kwayo kune huwandu hwakawanda hwemhando yemhando yemvura. Inoita zvakanaka mune ese acidic uye alkaline nharaunda, ichiita kuti iite yakakodzera kurapa kwemvura dzakasiyana siyana. Pamusoro pezvo, Pac inoshanda mukubata kuchinjika kwemvura tarisiro uye inogona kushandiswa mune dzakasiyana siyana dzekurapa dzekurapa, kusanganisira kunwa kurapwa kwemvura, kurapwa kwemvura kwemvura, uye kurapwa kwemarara.

Pac inoitira basa rekutyaira mumvura kurapwa kwemvura, kufambisa kabhuku uye kuwanda kuti ubvise zvakasviba kubva kumvura. Shanduko yayo, zvinodhura-zvinodhura, uye zvikwaniriso zvemhoteredzo zvinoita chishandiso chakakosha mukutsvaga kwekuchenesa uye kwakachengeteka mvura. Kunzwisisa kukosha kwePac mumvura kurapwa kunosimbisa kukosha kwayo mukutaura matambudziko emvura kutenderera nyika.