Ke hobane'ng ha li-membrane tsa nanofiltration li lokela ho hloekisoa kamehla?
Hobane lesela la nanofiltration le tla sebelisoa nako e telele ha le ntse le sebelisoa, lintho tse tiileng tse emisitsoeng le litšila tse ling ka metsing li tla thibela boholo ba pore ea lera la filthara, e leng se etsang hore lesela le thibele, 'me ho thibela nako e telele ho tla thibela. etsa hore tlhahiso ea metsi e fokotsehe, 'me e tla ama karolo ea nanofiltration membrane.Baka tshenyo e ke keng ya lokisoa.
Nako e kae ea ho hloekisa li-membrane tsa nanofiltration?
Ka kakaretso, potoloho ea ho hloekisa lesela la nanofiltration e khethoa haholo ho latela tšebeliso ea membrane element, hangata e ka bang likhoeli tse tharo, empa ha tlhahiso ea metsi ea membrane element e fokotseha, lera la nanofiltration le tlameha ho hloekisoa ka nako.
Ke lokela ho ela hloko eng ha ke hloekisa lera la nanofiltration?
Sebelisa metsi a boleng bo holimo a oxidant ntle le masala a chlorine le li-oxidants tse ling bakeng sa ho hlatsoa
Ha u lokisetsa tharollo ea ho hloekisa, etsa bonnete ba hore lik'hemik'hale tsohle tsa ho hloekisa li qhibilihile hantle 'me li tsoakane pele li kena potolohong ea karolo.
Ka mor'a hore lik'hemik'hale tse hloekisang le li-membrane li ajoe, likaroloana tsa lera li lokela ho hlatsuoa ka metsi a boleng bo phahameng a se nang masala a chlorine le li-oxidants tse ling (bonyane mocheso> 20 ℃).
Thempereichara le boleng ba PH
Nakong ea potoloho ea tharollo ea ho hloekisa, mocheso ha oa lokela ho feta 50C ho pH 2-10, mocheso ha oa lokela ho feta 35C ho pH 1-11, mme mocheso ha oa lokela ho feta 30C ho pH 1-12.
Tsela ea ho phalla ha metsi a hloekisang
Bakeng sa lisebelisoa tse nang le bophara bo boholo ho feta lisenthimithara tse 6, tataiso ea phallo ea mokelikeli o hloekisang e tlameha ho tšoana le tsela e tloaelehileng ea ho matha ho thibela karolo ho hlahisa "telescope" ketsahalo, hobane selikalikoe se phunyeletsang ka har'a sekepe sa khatello se kenngoa feela ho pheletsong ya metsi a teteaneng a sejana sa kgatello.Hape ho kgothaletswa ho ela hloko ntlha ena ha o hloekisa tsamaiso ea likaroloana tse nyenyane.
Hloekisa sesepa se setseng ka botlalo
Ha u hloekisa, ela hloko ho hloekisa ka ho feletseng moemeli oa ho hloekisa o setseng ka lera.Haeba sesebelisoa sa ho hloekisa se sa hloekisoe ka ho feletseng, ho bonolo haholo ho bokella litšila ka har'a tsamaiso ea ho etsa lera, esita le ho khutsufatsa bophelo ba tšebeletso ea lera la nanofiltration.Lihloeki tsa alkaline li na le matla a tlase a ho hloekisa ho tlosa litšila.
Mokhoa oa ho holisa potoloho ea ho hloekisa li-membrane tsa nanofiltration?
Eketsa phekolo ea pele
Ho eketsa ts'ebetso ea pele ho nako ka kakaretso ke nako e telele ka ho fetisisa e sebelisoang, 'me metsi a tala a ka phekoloa esale pele ka mekhoa e kang li-filters tsa multimedia le li-membrane tsa ultrafiltration ho ntlafatsa boleng ba metsi, tse ka fokotsang ka katleho tšilafalo ea likarolo tsa nanofiltration membrane.
Eketsa acid
CaCO3 metsing a mangata a holim'a metsi le ka tlas'a lefatše e batla e tletse.Ka hona, ka ho kenyelletsa lekhasi la H ka har'a asiti, tekanyo ea lik'hemik'hale e ka fetisetsoa ka ho le letšehali ho boloka calcium carbonate e le boemong ba ho qhibiliha.Boleng ba asiti e sebelisitsoeng e tlameha ho ba boemo ba lijo.Linaheng tse ngata le libaka, sulfuric acid e bonolo ho e sebelisa ho feta hydrochloric acid, empa ka lehlakoreng le leng, litaba tsa sulfate radicals metsing a nang le tšusumetso lia eketseha.Mabapi le tekanyo ea sulfate, bothata bo tla ba bo tebileng.
Eketsa antiscant
Scale inhibitors e ka sebelisoa ho laola sekala sa carbonate, sulfate scale, le calcium fluoride scale.Hangata ho na le mefuta e meraro ea scale inhibitors: sodium hexametaphosphate (SHMP), organic phosphate, le polyacrylate.E loketse ho thibela ho eketseha ha aluminium le tšepe e sa tsitsang, 'me polyacrylate e boima ba molek'hule e ka fokotsa ho thehoa ha SiO2 scaling ka phello ea ho hasana.
Kenya resin e nolofatsang
Na+z ion e ka sebelisoa ho nkela le ho tlosa likhakanyo tse kang Ca2+, Ba2+, le Sr2+ metsing.Nakong ea phekolo ena, pH ea metsi a nang le tšusumetso e ke ke ea fetoha.Ka hona, ha ho na ts'ebetso ea degassing e hlokahalang.
Nako ea poso: Jun-28-2021