►In-Kev tsom xam qhov tob: Kev ua tau zoo ntawm UF Membranes thiab PVDF Membranes
Hauv kev lag luam kev kho dej, kev sib cav txog "qhov twg membrane zoo dua" tsis tau tso tseg. Txhawm rau muab nws yooj yim, PVDF (Polyvinylidene Fluoride) daim nyias nyias yog, hauv qhov tseem ceeb, ib hom kev ua haujlwm siab - ultrafiltration membrane. Yog li ntawd, kev sib piv cov txheej txheem nruj yuav tsum tsom rau qhov sib txawv ntawm "cov khoom siv sib xyaw UF" thiab "PVDF cov ntaub ntawv UF daim nyias nyias."
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Txoj Kev Xaiv |
Pom zoo los ntawm Taihe Environmental Protection |
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Pa Khoom UF Membrane |
PVDF UF Membrane |
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Khoom siv:PES, PP, los yog regenerated cellulose |
Core Advantages:High mechanical zog, zoo heev tshuaj tiv thaiv |
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Yam ntxwv:Tus nqi qis dua, tab sis kuj tsis muaj zog tshuaj lom neeg ruaj khov |
Yam ntxwv:Muaj zog fouling kuj, ntev tu mus |
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Muaj feem xyuam rau:Cov xwm txheej uas yuav tsum tau muaj dej zoo tsis nruj |
Muaj feem xyuam rau:Complex industrial wastewater, ib puag ncig nrog siab concentrations ntawm organic teeb meem |
► Vim li cas PVDF dhau los ua qhov kev xaiv zoo tshaj plaws rau cov ntawv thov kev lag luam?
Cov khoom siv PVDF endows ultrafiltration membrane system nrog cov khoom "robust" tshwj xeeb. Rau feem ntauindustrial ultrafiltration systems, cov dej muaj txiaj ntsig zoo feem ntau hloov pauv loj heev thiab tej zaum yuav muaj ntau cov khoom raug tshem tawm lossis cov kuab paug organic.
► 1. Qhov kawg Durability
PVDF yog cov yas tshwj xeeb engineering nrog lub zog tensile siab heev thiab cuam tshuam tsis kam. Qhov no txhais tau hais tias, ib sab ntawm cov khoom siv ceramic membrane pom, PVDF hollow fiber ntau yog ib qho ntawm lub cev muaj zog tshaj plaws ultrafiltration Cheebtsam muaj nyob rau hauv kev ua lag luam niaj hnub no. Tsis zoo li cov pa roj carbon monoxide, nws tsis yooj yim rau kev tawg vim qhov hloov pauv siab, ua rau nws zoo tagnrho rau kev ua haujlwm siab - siab rov qab ua haujlwm.
► 2. Cov tshuaj lom neeg zoo tshaj
Thaum cuam tshuam nrog cov dej khib nyiab hauv kev lag luam, kev tu tshuaj lom neeg yog qhov tsim nyog. PVDF nthuav tawm kev ruaj ntseg zoo kawg nkaus tiv thaiv cov tshuaj lom neeg xws li acids, alkalis, thiab oxidizing agents. Hauv qhov sib piv, cov pa PES lossis PVA daim nyias nyias tuaj yeem degrade nyob rau hauv ib puag ncig uas muaj cov oxidizing muaj zog. Cov yam ntxwv no tso cai rau PVDF daim nyias nyias kom tswj tau tus nqi qis ntawm cov flux poob mus ntev - lub sijhawm ua haujlwm.
► Kev Tshawb Fawb Txog Qhov Zoo thiab Qhov Tsis Zoo
Txawm hais tias PVDF daim nyias nyias muaj kev ua tau zoo, nws yog ib qho tsim nyog los ntsuas lawv qhov zoo thiab qhov tsis zoo raws li cov xwm txheej tshwj xeeb hauv kev siv tswv yim engineering.
| Pros | Cons |
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Muaj zog fouling kuj:The dense and smooth surface is less prone to the adsorption of organic macromolecules, reducing cleaning frequency. |
Tus nqi siab dua:Cov khoom siv raw thiab cov txheej txheem tsim khoom ua rau muaj kev nqis peev ntau dua piv rau cov pa hauv cov pa. |
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Lub neej ntev:High mechanical zog thiab tsis kam mus rau fiber ntau tawg txo cov nqi hloov thiab txij nkawm. |
Kev sib tw Hydrophilicity:PVDF yog inherently hydrophobic thiab feem ntau yuav tsum tau hloov kho lossis ntxiv cov tshuaj hydrophilic los txhim kho nws cov wettability; txwv tsis pub, kev kho mob ua ntej- nyuaj dua yuav tsim nyog. |
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Kev siv ntau yam:Haum rau yuav luag txhua hom kev kho dej, suav nrog cov dej phwj hauv nroog thiab cov dej khib nyiab. |
► Cov lus xaus thiab cov lus pom zoo
Yog tias koj tab tom nrhiav rau "tag nrho- lub hom phiaj" ultrafiltration membrane, PVDF daim nyias nyias yog undoubtedly cov lus teb zoo tshaj. Nws tsis tsuas yog ua tau raws li kev sib cais qhov tseeb ntawm kev kho dej UF tab sis kuj daws cov teeb meem ntawm daim nyias nyias fouling thiab txhua yam kev puas tsuaj ntsib hauv cov chaw lag luam los ntawm nws cov khoom zoo physicochemical. Txawm li cas los xij, yog tias koj daim ntawv thov qhov xwm txheej tshwj xeeb heev thiab cov peev nyiaj siv tau yooj yim heev, PES lossis PP daim nyias nyias tuaj yeem muab tus nqi zoo dua -kev ua tau zoo. Tab sis nyob rau hauv feem ntau niaj hnub kev lag luam dej kho tej yaam num, PVDF daim nyias nyias, nrog nws cov nqi siab -kev ua tau zoo thiab kev ntseeg siab sab nraum ibceramic membrane filtration system, yog maj ua tus txheej txheem kev lag luam.