1. Granular filter media: the main force of cost-sefe e sebetsang hantle
Granular filter media ke mofuta o sebelisoang ka ho fetesisa oa li-filters, tse hloekisang maro ka ho atolosoa le ho kenella. Mefuta e tloaelehileng e kenyelletsa:
1). Lehlabathe la Quartz: boholo ba likaroloana 0.5-1.2mm, acid e matla le ho hanyetsa alkali, theko e tlaase, e atisang ho sebelisoa bakeng sa ho hloekisa metsi a nooang pele le ho hloekisa likhoerekhoere (sheba "Industrial Water Treatment Technology Manual").
2). Khabone e kentsoeng: e arotsoe ka khetla ea mashala le ea coconut, e nang le porosity e fihlang ho 500-1500m²/g (mohloli oa data: US Environmental Protection Agency EPA), e ka khahlisa lintho tse phelang le litšepe tse boima, tse loketseng lihloekisi tsa metsi le tlhoekiso ea moea.
3). Anthracite: boima bo tlase (1.4-1.6g/cm³), bo kopantsoeng le lehlabathe la quartz ho ntlafatsa ts'ebetso e ntle ea ho sefa, haholo-holo e sebelisoang litankeng tsa sefe tse habeli.
Bobebe ba mecha ea litaba ea granular filter ke hore e bonolo ho kopana 'me e hloka ho hlatsuoa khafetsa, ka nako ea bophelo ea lilemo tse ka bang 3-5.
2. Fiber filthara lintho tse bonahalang: khetho ea e sebetsang hantle le e ntle filtration
Fiber filthara e entsoe ka thepa e tenyetsehang ka nepo e phahameng ea filtration. Mefuta ea baemeli ke:
1). Polypropylene fiber: e manganga{2}}, e ka etsoa hore e be element element ea PP cotton, pore size 1-10μm, e sebelisetsoang ho sefa lihloekisi tsa metsi tsa ka tlung.
2). Glass fiber: e hanyetsanang le mocheso o phahameng (e ka tlaase ho kapa e lekanang le likhato tse 280), e atisang ho sebelisoa ho phekola khase ea litšila tsa indasteri, joalo ka tsamaiso ea motlakase ea desulfurization.
3). Ceramic fiber: e kopantsoe le likaroloana le libopeho tsa fiber, ho hanyetsa tšusumetso e matla, ho loketse ho hloekisa metsi a phahameng a viscosity indastering ea lik'hemik'hale.
Bobebe ba fiber filter ke matla a tlase, ho robeha habonolo ka mor'a{0}}tšebeliso ea nako e telele, 'me e hloka ho nkeloa sebaka khafetsa.
3. Lisebelisoa tsa filthara ea Membrane le lisebelisoa tse hlahang: ts'ebeliso ea theknoloji e tsoetseng pele
1). Sesefa sa Membrane:
- Microfiltration membrane (0.1-10μm): tlosa libaktheria le lintho tse fanyehiloeng, tse kang ho sefa lihloekisi tsa metsi ka tlung.
- Ultrafiltration membrane (0.01-0.1μm): e ka thibela livaerase 'me e sebelisoa haholo ho dialysis ea bongaka (sheba "Membrane Separation Technology Guide Guide").
2). Porous ceramic filter media: High temperature resistant (>1000℃), e hanyetsanang le kutu, empa e theko e phahameng, e sebelisoang haholo bakeng sa tlhoekiso ea khase e phahameng ea mocheso indastering ea metallurgic.
3). Mecha ea litaba e ncha e kopantsoeng: joalo ka graphene modified filter media, matla a adsorption a eketsoa ka makhetlo a fetang 3 (lipatlisiso tsa "Nature Materials" 2022), empa ha e so ka e rekisoa ka bongata bo boholo.
4. Joang ho khetha mecha ea litaba ea filthara e nepahetseng?
Tlhahlobo e felletseng e ipapisitseng le lipheo tsa ho sefa (tse joalo ka ho tlosoa ha turbidity, sterilization, decolorization), thepa ea mokelikeli (pH boleng, mocheso) le tekanyetso ea litšenyehelo. Ka mohlala:
- Motsoako oa "quartz sand + activated carbon" e sebelisoa hangata limeleng tsa metsi;
- Metsi a sa hloekang haholo indastering ea lisebelisoa tsa elektroniki a hloka ho tsamaisana le mecha ea phatlalatso ea sefa;
- Sesebelisoa sa sefa sa ceramic se ratoa bakeng sa ho phekola mocheso o phahameng oa mocheso.
Nakong e tlang, ha maemo a tshireletso ya tikoloho a ntse a ntlafala, -sebediswa e phahameng-le media{1}}e kopanyang bophelo bo bolelele e tla ba moo ho tsepamisitsweng dipatlisiso le ntshetsopele.