Ana amfani da abubuwa daban-daban na membrane a cikin masana'antar sarrafa ruwa, kuma waɗanda suka fi kowa shine ultrafiltration membranes da jujjuyawar membranes osmosis. Dukansu ultrafiltration membranes da reverse osmosis membranes sune abubuwan da ake amfani dasu a cikin kayan aikin kula da ruwa. Girman pore na membrane osmosis na baya shine kawai 1/100 na membrane na ultrafiltration, don haka juyawa osmosis Kayan aikin ruwa na iya cire karafa masu nauyi yadda yakamata, magungunan kashe qwari, chloroform, da sauran gurɓataccen sinadarai a cikin ingancin ruwa. Masu tsabtace ruwa na Ultrafiltration ba su da ƙarfi. Mai tsabtace ruwa na ultrafiltration na iya cire gurɓataccen gurɓataccen abu da ƙwayoyin cuta, waɗanda za a iya cire su ta hanyar juzu'in osmosis.
1. Bambanci a cikin kaddarorin tsakanin membrane na ultrafiltration da membrane osmosis na baya:
Reverse osmosis membrane na wucin gadi ne na wucin gadi na wucin gadi tare da wasu halaye da aka yi ta hanyar simintin wani membrane na halitta. Gabaɗaya an yi shi da kayan polymer. Matsakaicin ramukan membrane gabaɗaya tsakanin 0.5 da 10 nm, kuma ƙaƙƙarfan yana da alaƙa da tsarin sinadarai na membrane da kansa.
Ultrafiltration membrane wani nau'i ne na membrane mai tacewa tare da ƙayyadaddun girman pore iri ɗaya da kewayon girman pore na 0.001-0.02 microns. Aiwatar da matsi mai kyau a gefe ɗaya na membrane na iya nuna fitar da kwayoyin solutes ƙasa da girman pore don raba barbashi tare da nauyin kwayoyin halitta fiye da 500 Daltons (raka'o'in ƙwayar atomic) da girman barbashi fiye da nanometer 10. Membran ultrafiltration yana ɗaya daga cikin membranes na rabuwa na polymer na farko da aka haɓaka, kuma na'urar ultrafiltration ta kasance masana'antu a cikin 1960s.
2. Abũbuwan amfãni da rashin amfani na ultrafiltration membrane da baya osmosis membrane:
Amfanin ultrafiltration: gabaɗaya babu famfo, babu amfani da wutar lantarki, babu matsalolin aminci na lantarki; ƙarancin haɗin gwiwa, ƙarancin ruwa, ƙarancin gazawar ƙima, da yuwuwar zubar ruwa; tsari mai sauƙi da ƙananan farashi;
Rashin hasara: mummunan sakamako na cire gurɓataccen sinadarai a cikin ruwa; mummunan tasiri akan abubuwan da suka faru na musamman na samar da ruwa; ɗanɗano ɗanɗano mara kyau na ruwa; rashin iya rage taurin ruwa, kamar tsananin taurin ruwan famfo, kwandon ruwan tafasa na iya zama ɓata.
Ultrafiltration membrane zai iya cire macromolecules, colloids, sunadarai, barbashi, da dai sauransu a cikin bayani, kuma yana da halaye na ƙananan matsa lamba, babban samar da ruwa, da sauƙi aiki. Ta hanyar gwada tasirin jiyya na na'urar membrane fiber ultrafiltration mai zurfi don zurfin tsarkakewa na ruwa, an tabbatar da cewa na'urar tsabtace ruwa ta ultrafiltration na iya kawar da gurbataccen ruwa na biyu a cikin hanyar sadarwa ta bututu da kuma kara inganta ingancin ruwa.
Amfanin kayan aikin gyaran ruwa na osmosis na baya: ingancin ruwa mai lafiya, yana iya kawar da duk nau'ikan datti mai cutarwa yadda yakamata a cikin ingancin ruwa; mafi kyawun sakamako ga abubuwan da suka faru na musamman na samar da ruwa; mafi kyawun dandano na ruwa; zai iya rage taurin ingancin ruwa yadda ya kamata, kuma kwandon ruwan tafasa ba shi da sauƙi a sikelin;
Rashin hasara: famfo, amfani da wutar lantarki, al'amurran tsaro na lantarki; yawancin gidajen abinci, matsanancin ruwa mai ƙarfi, ƙarancin gazawar ƙima, da yuwuwar zubar ruwa; hadaddun tsari, kuma in mun gwada da tsada tsada.
3. Aikace-aikace kewayon ultrafiltration membrane da juyi osmosis membrane:
Kewayon aikace-aikace na baya osmosis membrane
Wutar lantarki, petrochemical, baƙin ƙarfe da karfe, lantarki, magani, abinci da abin sha, gundumomi da kuma kare muhalli da sauran filayen, a cikin desalination na teku da ruwan brackish, tukunyar jirgi ciyar ruwa, masana'antu tsarki ruwa da lantarki sa matsananci-tsarki ruwa shiri, shan tsarkakkun samar da ruwa, sharar gida magani da kuma musamman rabuwa tsari taka muhimmiyar rawa.
Aikace-aikace kewayon ultrafiltration membrane
Ana amfani da ruwa mai tsafta da ruwa mai tsafta a matsayin maganin osmosis pretreatment da ultrapure water terminal magani a cikin tsarin shiri; Ana amfani da ruwan masana'antu don raba kwayoyin cuta, tushen zafi, colloids, datti da aka dakatar, da kwayoyin macromolecular; ruwan sha, tsabtace ruwan ma'adinai; fermentation, Enzyme shiri masana'antu da Pharmaceutical masana'antu maida hankali, tsarkakewa, da kuma bayani; ruwan 'ya'yan itace maida hankali da rabuwa; waken soya, kiwo, masana'antar sukari, ruwan inabi, ruwan shayi, vinegar, da dai sauransu rabuwa, maida hankali da bayani; Ruwan sharar gida na masana'antu da tsabtace najasa na gida da farfadowa; Maido da fenti na electrophoretic.
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Lokacin aikawa: Satumba 24-2020