Fasahar membrane ultrafiltration fasahar rabuwa ce ta membrane dangane da nunawa da tacewa, tare da bambancin matsa lamba a matsayin babban ?arfin tu?i. Babban ka'idarsa ita ce haifar da ?an ?aramin bambanci a bangarorin biyu na membrane na tacewa, don samar da iko ga kwayoyin ruwa don shiga cikin ?ananan pores na membrane na tacewa, da kuma toshe ?azanta a ?ayan gefen membrane na tacewa. wanda ke tabbatar da cewa ingancin ruwa bayan jiyya ya cika ka'idodin da suka dace.
Gaba?aya, ultrafiltration membrane za a iya raba zuwa ciki matsa lamba ultrafiltration membrane da waje matsa lamba ultrafiltration membrane bisa ga hanyoyi daban-daban na shigar ruwa. Fasahar matsi na ultrafiltration na ciki da farko ta fara shigar da najasa a cikin firam ?in da ba ta da tushe, sannan ta tura bambancin matsa lamba don sanya kwayoyin ruwa su shiga cikin membrane kuma ?azanta sun kasance a cikin madaidaicin fiber membrane. Fasahar matsi na ultrafiltration na waje shine akasin matsa lamba na ciki, bayan matsa lamba, kwayoyin ruwa suna kutsawa cikin madaidaicin fiber membrane da sauran ?azanta suna toshe a waje.
Ultrafiltration membrane yana taka muhimmiyar rawa a aikace-aikacen fasaha na ultrafiltration membrane. Ultrafiltration membrane aka yafi sanya na polyacrylonitrile, polyvinylidene fluoride, polyvinyl chloride, polysulfone da sauran kayan, da kaddarorin wadannan kayan ?ayyade halaye na ultrafiltration membrane. A cikin ainihin aikace-aikacen aikace-aikacen, masu aiki masu dacewa suna bu?atar cikakken la'akari da zafin jiki, matsa lamba na aiki, yawan ruwa, tasirin tsarkakewa na ruwa da sauran dalilai don ha?aka tasirin fasahar ultrafiltration membrane, don gane ceto da sake amfani da albarkatun ruwa.
A halin yanzu, yawanci ana samun hanyoyin tacewa guda biyu a cikin aikace-aikacen fasaha na ultrafiltration membrane: mataccen tacewa da tacewa ta giciye.
Matattu tace kuma ana kiranta cikakken tacewa. Lokacin da abin da aka dakatar, turbidity, colloid abun ciki a cikin danyen ruwa ne low, kamar famfo ruwa, ruwan karkashin kasa, saman ruwa, da dai sauransu, ko akwai wani m zane na pre-jiyya tsarin kafin ultrafiltration, ultrafiltration iya amfani da cikakken tacewa yanayin. aiki. A lokacin cikakken tacewa, duk ruwan ya ratsa ta cikin membrane don zama samar da ruwa, kuma duk abubuwan da ba su da kyau suna kama su a saman membrane. Yana bu?atar fitar da shi daga abubuwan da ke cikin membrane ta hanyar goge iska na yau da kullun, wankin baya da ruwa da zugawa gaba, da tsaftace sinadarai na yau da kullun.
Baya ga tacewa mai mutu?ar mutu?ar, tacewa ta giciye kuma hanya ce ta tacewa gama gari. Lokacin da al'amarin da aka dakatar da turbidity a cikin danyen ruwa ya yi yawa, kamar a cikin ayyukan sake amfani da ruwa, yawanci ana amfani da yanayin tacewa. A lokacin da ake tace magudanar ruwa, wani ?angare na ruwan shigar ya ratsa ta fuskar membrane don zama samar da ruwa, ?ayan kuma ana fitar da shi azaman ruwan da aka tattara, ko kuma an sake matsawa sannan a koma cikin membrane a cikin yanayin kewayawa. Tace-tsalle-tsalle yana sa ruwa ya ci gaba da zagayawa akan farfajiyar membrane. Babban saurin ruwa yana hana tarin barbashi akan farfajiyar membrane, yana rage tasirin maida hankali, kuma yana rage saurin lalata membrane.
Kodayake fasahar ultrafiltration membrane tana da fa'ida mara misaltuwa a cikin aiwatar da amfani, ba yana nufin cewa kawai fasahar ultrafiltration membrane za a iya amfani da ita ka?ai don tsarkake gurbataccen ruwa a cikin aiwatar da gurbataccen albarkatun ruwa. A ha?i?a, lokacin fuskantar matsalar gur?ataccen maganin albarkatun ruwa, ma'aikatan da suka dace na iya ?o?arin ha?a fasahar jiyya daban-daban a hankali. Don inganta ingantaccen magani na gurbataccen albarkatun ruwa, ta yadda za a iya tabbatar da ingancin albarkatun ruwa bayan magani yadda ya kamata.
Saboda dalilai daban-daban na gurbatar ruwa, ba duk gurbataccen albarkatun ruwa ba ne ya dace da maganin gurbatar yanayi. Ya kamata ma'aikatan su inganta ma'anar ha?in gwiwar fasaha na ultrafiltration membrane, kuma su zabi hanyar da ta dace don tsaftace ruwa. Ta wannan hanyar ne kawai, bisa tsarin tabbatar da ingancin maganin gur?ataccen ruwa, za a iya ?ara inganta ingancin ruwan ?azantaccen ruwa bayan tsarkakewa.