Peb lub ntsiab indexes los ntsuas qhov kev ua tau zoo ntawm rov qab osmosis membrane cov ntsiab lus yog dej ntau lawm flux, desalination tus nqi thiab membrane siab poob, uas yog tshwj xeeb yog tshwj xeeb pub dej siab.
Tam sim no, muaj ntau qhov rov qab osmosis membranes muag ntawm lub khw, thiab raws li qhov sib txawv, kev faib tawm tsis zoo ib yam. Cov hom sib txawv tau muab faib ua qhov sib txawv, thiab cov hom thiab cov qauv sib txawv. Niaj hnub no, cia peb tham txog kev faib tawm ntawm thim rov qab osmosis membranes raws li cov khoom siv thiab cov hom membrane ntawm cov hom loj.
Hom rov qab osmosis membranes:
1.Raws li hom membrane caij, nws tuaj yeem muab faib ua homogeneous membrane, asymmetric membrane thiab composite membrane.
2.Raws li cov yam ntxwv ntawm cov txheej txheem membrane, nws tuaj yeem muab faib ua cov tsis tshua muaj siab membrane, ultra-low siab membrane, ultra-low siab membrane, tsawg zog noj membrane, ultra-low zog noj membrane, siab desalination tus nqi membrane, ultra-high desalination membrane, siab boron tshem tawm daim nyias nyias, loj flux membrane, anti-pollution membrane thiab hais txog.
3.Raws li daim ntawv thov rov qab osmosis membrane, nws tseem tuaj yeem muab faib ua cov kais dej membrane, brackish dej membrane, seawater desalination membrane, semiconductor qib membrane, concentrated cais membrane, thermal disinfection membrane thiab lwm yam.
4.Raws li nws cov ntaub ntawv raw, nws tseem tuaj yeem muab faib ua cellulose acetate membrane, polyamide membrane, composite membrane.
5.Raws li cov membrane caij loj, nws tuaj yeem muab faib ua me me rov qab osmosis membrane, 4040 membrane thiab 8040 membrane.
6.Raws li cov qauv, nws tuaj yeem muab faib ua inorganic membrane, organic membrane, disc tube thim rov qab osmosis membrane hom / DTRO.
Kev faib tawm ntawm rov qab osmosis membranes:
1.Cellulose acetate:
Cellulose acetate, tseem hu ua acetyl cellulose los yog cellulose acetate, feem ntau siv paj rwb thiab ntoo ua raw khoom los ua cellulose acetate los ntawm esterification thiab hydrolysis. Nrog rau lub sijhawm dhau los, tus nqi desalination ntawm hom membrane caij no yuav maj mam poob, thiab muaj peev xwm ntawm kev sib kis ntau dua.
2. Polyamide:
Polyamides tuaj yeem muab faib ua aliphatic polyamides thiab aromatic polyamides. Tam sim no, cov tshuaj tsw qab polyamides feem ntau yog siv rau hauv kev ua lag luam, uas muaj qhov yuav tsum tau qis rau PH tus nqi, tab sis cov tshuaj dawb chlorine tuaj yeem ua rau muaj kuab paug loj rau nws.
3.Composite membrane:
Composite membrane yog cov feem ntau rov qab osmosis membrane nyob rau hauv lub lag luam tam sim no, feem ntau yog ua los ntawm cov saum toj no ob cov ntaub ntawv, lub nto txheej ntawm no rov qab osmosis membrane yog ib tug tuab shielding daim tawv nqaij, uas yuav zoo tiv thaiv thiab cais cov ntsev, feem ntau hu ua lub desalting txheej, lub thickness feem ntau yog 50nm. Hauv qab no yog ib txheej ntxeem tau muaj zog, tseem hu ua lub hauv paus daim nyias nyias, thiab hauv qab txheej siv cov khoom siv tsis-woven ua txheej txheej. Cov khoom sib xyaw ua ke zoo kawg nkaus daws qhov tsis txaus ntawm ob cov ntaub ntawv saum toj no, thiab muaj qhov zoo ntawm kev nkag siab zoo, cov dej ntws loj thiab kev siv ntau dua.
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Post lub sij hawm: Sep-15-2023