Los ntawm: Kate
Email:kate@aquasust.com
Hnub tim: 20 Kaum Ob Hlis 2024
Kev tsis nkag siab 1: Qhov siab dua ntawm MBR membrane flux tsim, qhov zoo dua.
Cov lus teb kom raug: Lub flux ntawm daim nyias nyias yog txiav txim siab los ntawm cov khoom siv membrane thiab cov qauv. Rau ib chav kho mob tshwj xeeb, nws qhov porosity thiab flux muaj qhov txwv siab tshaj. Kev lim dej yog qhov tseem ceeb ntawm lub cev. Cov khoom siv hauv daim nyias nyias yuav tsum txi qhov kev nkag mus thaum txo qhov pore loj, thaum tseem coj mus rau hauv tus account lub zog thiab ua kom muaj kev ua haujlwm ntev, uas ua rau cov flux yog tus nqi ruaj khov. Yog li ntawd, thaum lub sij hawm tsim thiab daim ntawv thov txheej txheem, tus tsim yuav tsum tau nqa tawm raws li cov tsis pom zoo los ntawm lub membrane manufacturers.
Kev tsis nkag siab 2:Thaum siv MBR, cov dej ntws zoo yuav tsum tau lav. Cov lus teb raug: Cov txheej txheem MBR yog qhov tseem ceeb ntawm kev sib xyaw ua ke ntawm cov txheej txheem sludge thiab cov membrane pom. Nws hloov cov theem nrab sedimentation tank nrog membrane pom nyob rau hauv lub hauv paus ntawm cov tsoos activated sludge txoj kev, uas coj zoo xws li zoo interception thiab siab sludge concentration, tab sis qhov no tsis txhais hais tias cov txheej txheem MBR yuav kho tau tag nrho cov kab mob. Rau kev tshem tawm cov pa phem, membrane pom muaj txiaj ntsig zoo rau SS, thaum kev tshem tawm cov organic tseem nyob ntawm biodegradability ntawm activated sludge thiab organic teeb meem. Rau cov dej phwj tuaj uas tsis zoo biodegradability lossis cov dej phwj tuaj uas tau kho biochemical hauv theem dhau los, MBR muaj kev txwv.
Kev tsis nkag siab 3: MBR txheej txheem tsis tas yuav sludge paug. Cov lus teb kom raug: Vim tias qhov cuam tshuam zoo heev ntawm daim nyias nyias pom, cov activated sludge hauv MBR txheej txheem tuaj yeem ncav cuag qhov siab dua, paub txog kev sib cais ntawm hydraulic tuav lub sij hawm thiab cov hnub nyoog sludge, thiab cov sludge concentration ntawm effluent tuaj yeem tsis quav ntsej. Txawm li cas los xij, qhov txiaj ntsig no tsuas yog nce qhov chaw rau kev txhim kho biochemical. Tsis cuam tshuam rau cov dej ntws tsis tuaj yeem siv los ua qhov laj thawj los txhawb kom tsis txhob tso cov sludge. Cov lus nug ntawm seb puas yuav tso tawm sludge tseem yuav tsum rov qab mus rau lub tshuab ua kom cov sludge. Yog tias cov sludge tsis tawm, cov sludge activated yuav muaj hnub nyoog, uas yuav cuam tshuam rau biochemical kev ua tau zoo thiab aeration. Cov txheej txheem MBR hauv qhov project tuaj yeem txo cov sludge tawm, tab sis nws tsis txhais hais tias nws yuav tsis raug tso tawm.
Kev tsis nkag siab 4:Txhawm rau kom tsis txhob muaj cov membrane thaiv, cov sludge concentration yuav tsum raug txo kom ntau li ntau tau.
Cov lus teb kom raug: Membrane blockage yog ib qho teeb meem tshwm sim hauv MBR daim ntawv thov. Nws yog cov sludge uas thaiv cov membrane, tshwj xeeb tshaj yog thaum cov sludge concentration siab dhau lawm. Yog li ntawd, muaj kev nkag siab yuam kev tias cov sludge concentration yuav tsum raug txo kom tsis txhob muaj cov membrane blockage, uas yog ib qho kev to taub yuam kev. Sludge nrog qis lossis siab ntau dhau yuav thaiv cov membrane sai. Txoj hauv kev kom raug yog khaws cov concentration nyob rau hauv ib qho kev tsim nyog. Tsis tas li ntawd, aeration muaj cov nyhuv ntawm cov dej ntws tawm ntawm daim nyias nyias, thiab nws yuav tsum tau khaws cia ntawm tus nqi khaws cia.
Kev nkag siab yuam kev 5:Lub membrane yog lub luag hauj lwm rau cov effluent.
Cov lus teb raug: Lub hauv paus ntsiab lus ntawm daim nyias nyias nws tus kheej yog kev pom, uas yog txheej txheem ntawm lub cev. Kev tshem tawm cov pa phem feem ntau yog SS. Nws qhov tseem ceeb rau MBR yog txhawm rau txhim kho biochemical kev ua tau zoo, tab sis nws tsis tuaj yeem lim cov organic teeb meem, yog li nws tsis tuaj yeem ua lub luag haujlwm rau cov ntsuas xws li COD. Kev tshem tawm cov organic tseem nyob ntawm qhov tsim thiab kev tswj xyuas kev ua haujlwm ntawm tag nrho cov txheej txheem saw.
Kev tsis nkag siab 6: MBR tsuas yog tsim rau cov dej phwj hauv tsev
Cov lus teb raug: MBR txheej txheem yog kev sib xyaw ua ke ntawm activated sludge method thiab membrane filtration, uas yog muab los ntawm kev sib xyaw ua ke ntawm cov txheej txheem activated sludge thiab theem nrab sedimentation tank. Hauv qhov kev nkag siab no, cov txheej txheem MBR muaj feem xyuam rau qhov chaw uas siv cov txheej txheem activated sludge. Txawm li cas los xij, rau qee cov dej phwj tuaj uas yooj yim ua rau cov membrane txhaws, pretreatment yuav tsum ua kom tau raws li qhov yuav tsum tau ua.
Kev nkag siab yuam kev 7:Flux
Kev nkag siab yuam kev: Kev txhim kho ntawm cov membrane flux hauv kev tsim thiab kev ua haujlwm ua kom muaj kev sib tw ntawm kev siv tshuab. Qhov tseeb: Hauv 10 xyoo dhau los, kev txhim kho ntawm cov membrane flux hauv kev tsim thiab kev ua haujlwm tau raug txwv, thiab tus nqi ntawm cov khoom siv membrane tau poob. Nws yog qhov tseeb.
Kev nkag siab yuam kev 8:Kev siv hluav taws xob
Kev nkag siab yuam kev: Kev siv hluav taws xob ntawm MBR tsawg dua 1 kWh / ton dej. Qhov tseeb: Rau cov dej phwj tuaj kho cov nroj tsuag loj, nws tuaj yeem ua tiav los ntawm kev tsim qauv zoo nkauj thiab kev ua haujlwm zoo tshaj plaws, tab sis nws tsis yog rau cov chaw kho dej me me. Thiab nws yog qhov tsis yooj yim dua rau cov dej phwj tuaj kho cov nroj tsuag uas tsis tau ntim tag nrho. Kev tsom xam: MBR thev naus laus zis tsis tuaj yeem saib ib sab. Tsis muaj teeb meem dab tsi nws yog, tsuav yog nws tsis muaj loaded tag nrho, ib qho kev siv tshuab yuav ua rau kev siv hluav taws xob ntau. Yog tias nws xav tias lub kaw lus tsis tuaj yeem ua haujlwm ntawm qhov muaj peev xwm, tus qauv tsim qauv tuaj yeem siv los ua haujlwm rau cov modules zoo raws li cov dej sib txawv, uas tuaj yeem txo cov nqi khiav haujlwm. Los ntawm kev pom, MBR thev naus laus zis yog qhov tsim nyog rau kev tsim qauv.
Kev tsis nkag siab 9: Txheej txheem kev sib tw
Kev nkag siab yuam kev: MBR yuav hloov cov txheej txheem activated sludge Fact: Tshwj tsis yog tias muaj kev hloov pauv hauv kev siv tshuab, nws yog qhov ua tsis tau. Cov txheej txheem MBR tsim nyog rau cov chaw kho dej hauv nruab nrab (5000-100.000PE), thiab lub hom phiaj yog xav kom rov siv dua lossis txo qhov chaw hauv pem teb. Qhov tseeb, lub npe hu ua cov dej phwj nruab nrab nyob txawv teb chaws tsuas yog suav tias yog cov dej phwj me me hauv Suav teb, nrog qhov ntsuas ntawm 1,000 tons / hnub rau 20,000 tons / hnub. .
Kev tsom xam: Tsis muaj thev naus laus zis tuaj yeem cuam tshuam lwm yam thev naus laus zis, tab sis nws tsis tuaj yeem lees paub tias MBR hloov cov dej xaum thib ob coj cov dej zoo tshaj plaws, muab cov kev daws teeb meem rau kuv lub teb chaws nyob rau hauv qhov chaw muaj kuab paug tam sim no. Raws li qhov dej ntim MBR haum rau, qhov yuav tsum tau ntsuas yog qhov sib npaug ntawm qhov zoo thiab qhov tsis zoo.
Kev tsis nkag siab 10:Decentralized dej phwj kho
Kev nkag siab yuam kev: MBR yog ib qho kev daws teeb meem zoo rau kev kho dej phwj tuaj
Qhov tseeb: MBR thev naus laus zis tsis zoo rau cov pej xeem sib npaug tsawg dua 5,000 (kwv yees li 1,000 tons / hnub).
Kev tsom xam: Dab tsi yog qhov teeb meem tseem ceeb tshaj plaws hauv kev tsim kho cov dej phwj tuaj hauv kuv lub tebchaws? Nws tsis yog qhov teeb meem nyiaj txiag, tab sis qhov teeb meem kev ua haujlwm. Peb puas tuaj yeem hais tias cov av ntub dej tsis tsim nyog rau kev kho dej phwj hauv nroog nyob rau sab qab teb? Tsis muaj tseeb, hom ecosystem no yeej zoo. Kuv tsis xav tias MBR thev naus laus zis yog tib txoj hauv kev los daws cov dej tsis huv. Cov dej ntws zoo zoo, muaj peev xwm pib ua haujlwm sai thiab kev ua haujlwm tsis muaj zog txhua tus ua lub luag haujlwm hauv kev daws cov pa phem hauv zos thiab txo qis kev ua haujlwm ntawm tib neeg.
Kev tsis nkag siab 11: Kev cuam tshuam rau kev ua haujlwm ntawm cov txheej txheem
Kev nkag siab tsis meej: Membranes tuaj yeem txhim kho cov txheej txheem kev ua tau zoo Qhov tseeb: Ntxiv nrog rau kev ua haujlwm zoo hauv kev ua haujlwm tua kab mob thiab turbidity, lwm yam kev ua tau zoo tsis muaj dab tsi ua rau cov membranes. Tsis tas li ntawd, kev siv cov membranes muaj cov kev xav tau nruj ntawm cov dej ntim hloov hauv qhov system. Kev ua haujlwm yooj yim yuav tsum muaj qhov chaw loj txaus, txwv tsis pub cov membrane yuav nyuaj los tiv thaiv cov kev hloov pauv hauv cov dej ntim.
Analysis: The so-called MBR technology is the effective combination of microbial technology and membrane separation technology. In essence, it is microbial technology and membrane separation technology separately. It is difficult to reflect its effectiveness when they operate independently. For example, the earliest MBR technology: the former MBR technology of aerobic + secondary sedimentation + ultrafiltration, its main function is to have good performance on disinfection performance and turbidity. The popular built-in or external MBR technology now undoubtedly combines microbial technology with membrane separation technology to achieve the effect of 1+1>2.
Tsis nkag siab 12: Tshuaj tua kab mob
Kev nkag siab yuam kev: Ultrafiltration disinfection kev ua tau zoo dua li microfiltration disinfection kev ua tau zoo Qhov tseeb: Qhov no tsis yog rau cov kab mob. Ultrafiltration thiab microfiltration tuaj yeem ua tiav 6Log tshem tawm.
Kev tsom xam: Qhov pore loj ntawm cov lim membrane siv hauv MBR thev naus laus zis feem ntau yog nyob nruab nrab ntawm 0.05-0.4 microns, ntawm ultrafiltration thiab microfiltration. Qhov cuam tshuam cuam tshuam rau microorganisms yog pom tseeb.
Kev tsis nkag siab 13: Tshawb nrhiav cov pa phem organic
Kev nkag siab yuam kev: MBR tuaj yeem tshem tawm cov kab paug organic zoo dua. Qhov tseeb: Nyob rau hauv tib qhov kev ua haujlwm tsis zoo, tsis muaj qhov sib txawv tseem ceeb ntawm MBR thiab cov txheej txheem activated sludge ib txwm nyob hauv qhov no.
Kev tsom xam: Kev khaws cia ntawm macromolecular organic teeb meem los ntawm MBR thev naus laus zis thiab cov nyhuv degradation ntawm lub sijhawm nyob txaus yog qhov nyuaj rau kev sib tw los ntawm kev siv cov sludge.
Kev tsis nkag siab 14: Sludge production
Kev nkag siab yuam kev: Kev tsim cov sludge ntawm MBR txheej txheem me me. Qhov tseeb: Vim yog khaws cia ntawm SS los ntawm daim nyias nyias, cov sludge ntau lawm ntawm MBR txheej txheem yog siab dua li cov txheej txheem activated sludge. Tsawg sludge ntau lawm yuav tsum muaj lub hnub nyoog ntev txaus sludge, thaum lub sij hawm lub peev thiab cov nqi khiav lag luam yuav nce ntxiv. Kev tsom xam: Kev tuav ntawm SS los ntawm daim nyias nyias tsis muaj kev sib raug zoo nrog cov sludge ntau lawm. Cov kab mob hauv MBR system yog nyob rau theem ua pa endogenous, thiab cov sludge tsawg yog qhov tseeb.
Kev tsis nkag siab 15: Membrane fouling
Kev nkag siab yuam kev: Polysaccharides thiab cov proteins yog qhov tshwm sim ntawm daim nyias nyias fouling. Qhov tseeb: Tsis muaj qhov xaus zoo sib xws hauv qhov kev tshawb fawb no. Cov kev txwv no tsuas yog tsis ncaj qha sawv cev, qhia txog cov yam ntxwv flocculation ntawm cov kab mob. Kev tsom xam: Membrane pollution tsis tsuas yog cuam tshuam nrog cov kab ke biochemical. Yog tias qhov kev ua haujlwm ntawm daim nyias nyias tsis zoo, txawm tias qhov zoo ntawm biochemical system zoo npaum li cas, nws yuav tsis muaj txiaj ntsig.