Khoom Taw Qhia
MBR MRBRANE TIV THAIV MUAJ NQUS MUAJ SILICON Carbide Tiaj Week.
Cov yam ntxwv ntawm silicon carbide tiaj tus membrane: silicon tsis zoo, muaj zog los tiv thaiv cov tshuaj muaj kuab heev, thiab lwm yam.
Membrane Ntauwd qauv thiab tsim qauv: Lub cim xeeb pej thuam yog ib qho cuab yeej tsim los ntawm kev sib sau ua ke silicon carbide tiaj tus cev ib ce. Hauv kev tsim qauv, kev npaj ntawm daim nyias nyias ib ce thiab qhov ua kom zoo ntawm cov dej ntws tawm yog feem ntau yog kev ua tiav cov dej ua kua-kua thiab ruaj khov dej ntau lawm. Piv txwv li, kev hla kev ntawm kev tso cai yog siv los ua ib qho kev tso tawm nrog memrane nto moo, thiab txhim kho kev tiv thaiv kev ua phem ntawm daim nyias nyias.
Cov txiaj ntsig zoo hauv MBR: Silicon Carbide tiaj tus ntauwd yog siv rau hauv MBR, uas tuaj yeem tiv thaiv cov kev hloov pauv siab dua thiab hloov chaw hauv dej zoo thiab ntim dej. Vim nws muaj zog tiv thaiv kev ua qias tuaj yeem tuaj yeem raug txo, lub neej ua haujlwm tau txuas ntxiv, thiab yog li cov kev ua haujlwm yuav raug txo. Nyob rau tib lub sijhawm, nws txoj kev sib cais ua tau zoo pab ua kom tiav kev kho mob tob hauv dej, thiab cov effluent tuaj yeem siv ncaj qha rau kev sib ntsib ntau cov dej xav tau.
Mbr txoj ntsiab cai
MBR, lossis Membrane Boreactor, yog cov txheej txheem dej phwj tuaj uas ua ke ua ke Membrane sib cais tshuab nrog kev kho thev naus laus zis. Nws lub hauv paus ntsiab lus yog raws li hauv qab no:
Txheej Txheem Kho Mob Phem: Nyob rau hauv Bioractor ntawm MBR system, muaj ntau cov kev ua haujlwm loj ntawm cov kab mob sludge. Tom qab cov dej phwj tuaj rau cov reactor, cov organic kuab paug nyob rau hauv nws decomposions nyob rau hauv cov roj carbon dioxide, dej thiab cov cell tshuaj ntawm cov microrganisms lawv tus kheej. Nyob rau tib lub sijhawm, cov zaub mov zoo xws li ammonia nitrogen nyob rau hauv cov dej phwj tuaj thiab tsis kam lees cov kev coj ua ntawm cov kab mob nitrogen tshem tawm.
Membranation Cooration txheej txheem: Daim duab membrane yog raus hauv cov khoom siv slude, thiab lwm yam) nyob rau hauv cov dej khov kho ua kua tau sib cais los ntawm kev soj ntsuam lub cev ntawm daim nyias nyias. Lub pore loj ntawm daim nyias nyias yog feem ntau ntawm {{0}}}}}}}}}}.
Kev sib cais ntawm sludge khaws cia lub sijhawm thiab cov sij hawm ua haujlwm ua kom tiav: MBR ua tiav tiav kev sib cais ntawm sludge khaws sijhawm (SRT) thiab hydraulic lub sijhawm (HRT). Vim tias qhov kev cuam tshuam cuam tshuam ntawm daim nyias nyias, cov kab mob me me tuaj yeem nyob hauv lub siab ntev, yog li kev txhim kho kev kho mob muaj tseeb. Nyob rau tib lub sijhawm, cov sijhawm ua haujlwm hydraulic tuaj yeem hloov kho raws li qhov xav tau tiag tiag, tsis muaj kev txwv los ntawm sludge cia rau kev ua haujlwm zoo rau kev ua haujlwm ntawm lub system.
Kev sib piv ntawm Daim Ntawv Qhia Kev Xaiv Tsa ntawm MBR thiab Ultrafiltration Membrane
MBR (Membrane BorkEtor) thiab ultraFiltration membrane (UF) yog ob qho tib si sib cais thev naus laus zis thiab cov xwm txheej siv tau muaj feem sib txawv. Cov hauv qab no yog lawv qhov sib txawv tseem ceeb thiab muaj feem xyuam:
1. Daim Ntawv Thov Kev Sau Npe ntawm MBR (Membrane Bioreactor)
MBR=™ ດ່ວນ activ activ activ ultr ulfiltration / microfiltration / microfiltration membrane, feem ntau yog siv hauv kev lim dej ntawm dej phwj.
Muaj qee qhov xwm txheej:
- Muaj cov dej num zoo: Qhov zoo tshaj plaws yog qhov yuav tsum tau ua kom muaj siab heev (xws li cov dej hauv qab zib, toj roob hauv pes, muaj cov dej ncig ua si). MBR tuaj yeem tshem cov khib nyiab tshem tawm, cov kab mob, thiab qee cov kab mob, thiab cov kab mob effluent yog tsawg dua {1}}. 1 NTU.
- Kev txwv hauv pem teb chaw: Cov tsoos Activated sludge txoj kev xav tau lub tiab theem nrab tank, thaum MBR tshem tawm cov kauj ruam sedimentation thiab txuag chaw.
- High-concentration organic wastewater: xws li kev ua zaub mov, tshuaj, thiab tshuaj lom neeg tuaj yeem mus txog {} g / l) thiab muaj kev kho mob siab.
- Txhim kho cov nitrogen thiab phosphorus tshem tawm: ua ke nrog anaerobic / Aerobic cov txheej txheem, MBR tuaj yeem ua tiav cov txiaj ntsig kev tshwm sim zoo tshaj plaws.
Tsis siv cov xwm txheej:
- Tsawg tus nqi tseem ceeb: MBR muaj cov peev txheej siab thiab cov nqi khiav haujlwm (Membrane hloov thiab siv hluav taws xob ntau).
- Tus roj muaj cov roj lossis fiber ntau: nws yooj yim los ua kom muaj kuab paug thiab txhaws.
2. Daim ntawv thov cov xwm txheej ntawm ultrafiltration membrane (UF)
Ultrafiltration membrane yog ib qho kev siv lub cev ywj pheej nrog kwv yees li {}}.}. {1}}. {}}.}}}.}.}}.
Muaj qee qhov xwm txheej:
- Kev kho cov dej haus: Tshem tawm cov khib nyiab tshem tawm, cov kab mob, thiab cov kab mob hauv dej (xws li thim rov qab Osmosis pretreatment).
- Kev sib cais: concentrated protein, kua txiv kom meej, zas xim tso nyiaj rov qab, thiab lwm yam.
- Kev kho dej phwj tuaj me me: raws li cov tsev pheeb suab phom, ntxiv ua pa lub tsev kawm ntawv thib ob (xws li ncav thawj-theem ib tus qauv).
- Cov khoom siv tsis muaj zog qis: Thaum Inlet SS yog tsawg (xws li<50 mg/L), avoid frequent membrane fouling.
Siv tsis tau:
- High Cod lossis soluble pollutants: UF tsis tuaj yeem tshem cov tshuaj molecular me me (yuav tsum tau muab tso ua ke nrog ro lossis ua kom muaj carbon).
- Muaj roj / siab tawv dej: Nws yog qhov yooj yim ua rau pom kev ua yeeb yam lossis ntsuas hluav taws xob.
3. Kev sib piv ntawm cov ntsiab lus tseem ceeb
| Yam tseem ceeb | MeB | Ultrafiltration (UF) membrane |
|---|---|---|
| Thawj lub hom phiaj | Kev kho dej lwg (kev siv xyoob mis (xyoob mis-pom kev) | Kev sib cais ntawm lub cev (feem ntau pom) |
| Kev tshem tawm | Ss, cod, ammonia nitrogen, kab mob | Ss, colloids, Macromolecules, kab mob |
| Khoom noj kom tau | Tuaj yeem kho cov khoom siv kom haum | Yuav tsum muaj cov khib nyiab tsawg (lossis pretreatment) |
| Tus nqi | High (Ceev Membrane Foul, Kev Siv Hluav Taws Xob Siab) | Qis dua (tab sis tus nqi nce ntawm nplai) |
| Txij Nkawm Teeb Meem | Siab (yuav tsum muaj tshuaj ntxuav huv | Nruab nrab (qis dua tu zaus yog fouling yog me me) |
4. Cov txheej txheem sib xyaw ua ke
- MBR:
`Cuam tshuam → screen → Kev Ntsuas Hluav Taws Xob → MBR → Kev Ntaus Zov → Rov Siv dua
- ultrafiltration membrane:
`Phwj → Tsoos Ua Haujlwm Sludge Txoj Kev → Upporiltration → Rov qab Osmosis (yog tias muaj kev cia siab)`
lossis
`Da Dej → Udtroriltration → kev tua kab mob → Haus Dej Haus Dej Tsis Haus Dej
Cov ntsiab lus thiab cov lus qhia
- Xaiv MBR: Kev Kho Dej Phwj + High-txheem effluent, tshwj xeeb tshaj yog rau cov av tsis txaus lossis siab-siab organic zam.
- Xaiv cov ultrafiltration: Feem ntau ntawm cov dej haus, muaj pretricate), lossis raws li cov dej phwj tuaj sib sib zog nqus.
Yog tias tseem muaj cov xwm txheej tshwj xeeb (xws li qee hom dej khib nyiab lossis kev lag luam), txoj kev npaj ua kom zoo tuaj yeem raug kuaj ntxiv.
Cim npe nrov: MBR MRBRANE TIV Ntauwd, Tuam Tshoj MBR MF MRBRANE Ntauwd Chaw Tsim Tshuaj, Chaw muag khoom, Hoobkas
