Kwayar cuta don ruwan sha yana aiki muhimmiyar manufa-kawar da yawancin ƙwayoyin cuta masu cutarwa, gami da ƙwayoyin cuta, ƙwayoyin cuta, da protozoa, don hana yaduwar cututtukan ruwa.Yayin da disinfection ba ya kawar da duk ƙananan ƙwayoyin cuta, yana tabbatar da cewa an rage haɗarin cututtukan da ke haifar da ruwa zuwa matakan da ake ganin an yarda da su a ƙarƙashin ƙa'idodin microbiological.Sterilization, a daya bangaren, yana nufin kawar da duk wani microorganisms da ke cikin ruwa, yayin da maganin kashe kwayoyin cuta ya shafi wani yanki mai mahimmanci na ƙwayoyin cuta, yana rage haɗarin da ke tattare da cututtuka na ruwa.
Juyin Halitta na Dabarun Kaya
Kafin tsakiyar karni na 19, lokacin da aka kafa ka'idar cututtukan ƙwayoyin cuta, ana ɗaukar wari a matsayin matsakaici don watsa cututtuka, yana yin tasiri ga haɓaka ayyukan tsabtace ruwa da najasa.
Hanyoyin Kashe Maganin Ruwan Sha
Kamuwa da cuta ta jiki
Ana amfani da hanyoyin jiki kamar dumama, tacewa, ultraviolet (UV) radiation, da iska mai iska.Ruwan tafasa yana da yawa, yana da tasiri ga ƙananan magunguna, yayin da hanyoyin tacewa kamar yashi, asbestos, ko fiber vinegar tace suna cire kwayoyin cuta ba tare da kashe su ba.UV radiation, musamman a cikin kewayon 240-280nm, yana nuna kaddarorin germicidal, wanda ya dace da ƙananan adadin ruwa, ta amfani da masu kashe UV kai tsaye ko irin hannun riga.
UV Disinfection
UV radiation tsakanin 200-280nm yadda ya kamata yana kashe ƙwayoyin cuta ba tare da amfani da sinadarai ba, yana samun shahara don ingancinsa wajen sarrafa abubuwan da ke haifar da cututtuka.
Cutar cututtuka
Magungunan sinadarai sun haɗa da chlorination, chloramines, chlorine dioxide, da ozone.
Abubuwan da ake kira Chlorine
Chlorination, hanyar da aka yarda da ita, tana nuna ƙarfi, kwanciyar hankali, da kuma kaddarorin germicidal masu tsada, ana amfani da su sosai a cikin maganin ruwa.Chloramines, wanda ya samo asali na chlorine da ammonia, suna adana dandano na ruwa da launi tare da ƙananan ƙarfin iskar oxygen amma suna buƙatar matakai masu rikitarwa da yawa.
Chlorine Dioxide
An ɗauke shi azaman maganin kashe kwayoyin cuta na ƙarni na huɗu, chlorine dioxide ya zarce chlorine ta fuskoki da yawa, yana nuna mafi kyawun maganin kashe ƙwayoyin cuta, kawar da ɗanɗano, da ƙananan ƙwayoyin cuta na carcinogenic.Zazzaɓin ruwa yana da ƙarancin tasiri kuma yana nuna babban tasirin ƙwayoyin cuta akan rashin ingancin ruwa.
Ozone Disinfection
Ozone, oxidizer mai tasiri, yana ba da kawar da ƙananan ƙwayoyin cuta.Koyaya, ba shi da tsawon rai, kwanciyar hankali, kuma yana buƙatar ƙwarewar fasaha don sa ido da sarrafawa, galibi ana amfani da shi wajen samar da ruwan kwalba.
A ƙasa akwai wasu ƙa'idodi na duniya don kawar da ruwan sha
Abubuwan buƙatun ma'aunin chlorine kyauta sune: lokacin lamba tare da ruwa ≥ 30 mintuna, ruwan masana'anta da iyakar ruwa mai iyaka ≤ 2 mg/L, gefen ruwa na masana'anta ≥ 0.3 mg/L, da iyakar ruwa ≥ 0.05 mg/L.
Jimlar buƙatun ma'aunin chlorine sune: lokacin lamba tare da ruwa ≥ 120 mintuna, iyakance ƙimar ruwan masana'anta da ruwa mai ƙarewa ≤ 3 mg / L, rarar ruwa na masana'anta ≥ 0.5 mg / L, da rarar ruwa na ƙarshe ≥ 0.05 mg / L.
Abubuwan buƙatun ma'aunin ozone sune: lokacin hulɗa tare da ruwa ≥ 12 mintuna, ruwan masana'anta da iyakar ruwa mai iyaka ≤ 0.3 mg / L, ragowar ruwa mai ƙare ≥ 0.02 mg / L, idan an yi amfani da wasu hanyoyin haɗin gwiwa na disinfection, iyakar disinfectant da sauran daidai. ya kamata a cika bukatun.
Abubuwan buƙatun ma'aunin chlorine dioxide sune: lokacin lamba tare da ruwa ≥ 30 mintuna, ruwa na masana'anta da iyakar ruwa mai iyaka ≤ 0.8 mg / L, ma'aunin ruwa na masana'anta ≥ 0.1 mg / L, da ma'aunin ruwa na ƙarshe ≥ 0.02 mg / L.