Kev Tshawb Fawb Kev Siv Dej Num Muaj Kev Tshawb Fawb nrog MBBR Technology
Ib nrab ntawm -cov zaub mov loj loj tau ntsib kev ua txhaum cai rov ua dua3 mus rau 4 zaug ib lub hlis twg. Fluctuating ntau lawm loadsthawb COD peaks dhau 1,200 mg / L, overwhelming lub activated sludge system uas twb muaj lawm. Sludge bulking, inconsistent nitrification, thiab$12,000+ nyob rau hauv cov nqi ntxiv txhua hliua kom pom tseeb: lub hauv paus kev kho mob lom neeg xav tau kev tsim kho tshiab. Cov ntaub ntawv kawm no qhia meej tias MBBR-raws li kev daws teeb meem tau hloov cov nroj tsuag li cashauv qab 90 hnub.
Qhov project Overview
Nrog rau kev nthuav dav sai ntawm kev lag luam ua zaub mov, cov dej khib nyiab pov tseg thiab cov pa phem tau nce ntxiv. Tus neeg siv khoom hauv txoj haujlwm no yog qhov nruab nrab - rau- cov tuam txhab tsim khoom noj loj uas tau ntsib teeb meem kev ua raws cai ntau zaus vim muaj qhov cuam tshuam tsis zoo thiab muaj peev xwm kho tsis txaus hauv nws cov txheej txheem uas twb muaj lawm. Cov nroj tsuag ua zaub mov, kua ntses, thiab npaj tau- rau- noj cov khoom, tsim cov dej khib nyiab uas nplua nuj nyob rau hauv cov organic teeb meem, tshem tawm cov khib nyiab, thiab ammonia nitrogen los ntawm raw khoom ntxuav, blanching, thiab tu cov cuab yeej.
Txhawm rau daws cov teeb meem no, txhim kho kev kho kab mob lom raws li MBBR (Moving Bed Biofilm Reactor) thev naus laus zis tau tsim thiab siv. Tsis zoo li cov txheej txheem activated sludge uas tso siab rau tag nrho cov kab mob uas raug tshem tawm, MBBR qhiatxhiab tus pub dawb -floating biofilm nqauas tuav cov kab mob tshwj xeeb hauv zej zog. Qhov no dual - ncua kev ncua txoj hauv kev muab ntau dua biomass concentration ntawm ib chav tsev ntim, muaj zog poob siab tiv thaiv kev hloov pauv, thiab kev ua haujlwm ruaj khov nitrification ntau dua txawm tias cov xwm txheej hydraulic hloov tam sim ntawd.
Tom qab kev ua haujlwm, lub kaw lus tau ua tiav raws li cov qauv kev tso tawm thaum txo cov sludge ntau lawm thiab kev ua haujlwm nyuaj. Cov nroj tsuag tshem tawm tag nrho cov dej ntws tawm - cuam tshuam cov nqi ntxiv thiab tau txais lub peev xwm los lees txais cov khoom ntim ntxiv yam tsis tau nthuav dav cov kev kho mob hneev taw.
Tsim Parameters
Dej kom muaj nuj nqis
Tus tsim tau txiav txim siab qhov kev hloov pauv ntau lawm thiab kev xav tau ntawm kev nthuav dav yav tom ntej. Peak factor ntawm1.8tau txais yuav los ua kom haum raws caij nyoog ntau lawm thaum lub sij hawm sau qoob loo, thaum cov khoom xa tuaj tuaj yeem ze li ob npaug hauv ib qho kev hloov pauv.
| Parameter | Tus nqi |
| Tsim Muaj Peev Xwm | 1,200 m³/d |
| Peak Factor | 1.8 |
| Kev ua haujlwm hom | Tsis tu ncua (24 h) |
Kev Ua Dej Zoo
Cov dej khib nyiab feem ntau yog los ntawm kev ntxuav cov khoom siv raw, ua, thiab ntxuav cov khoom siv. Nws muaj cov ntsiab lus siab ntawm cov organic teeb meem thiab tshem tawm cov khib nyiab, nrog COD qhov tseem ceeb feem ntau yog los ntawm800-1,200 mg / L. BOD / COD piv ntawm kwv yees li 0.5 qhiazoo biodegradability, ua kom zoo - haum rau kev kho mob lom.
| Parameter | Tus nqi |
| COD | 800 - 1, 200 mg/L |
| BOD | 400 - 600 mg/L |
| SS | 300 mg / L |
| NH₃-N | 40 mg/l |
| pH | 6.5 - 8.5 |
Tshem tawm Standard
Cov kua dej uas kho tau yuav tsum tau ua kom tau raws li cov qauv kev tso tawm ib puag ncig hauv zos. Cov kev txwv no yog piv rauChav Kawm 1A ntawm Tuam Tshoj GB 18918-2002thiab ua raws li cov kev cai ntawm kev lag luam khoom noj khoom haus effluent nyob rau sab hnub tuaj Asia thiab Middle Eastern khw.
| Parameter | txwv |
| COD | <100 mg/L |
| BOD | <30 mg/L |
| SS | <70 mg/L |
| NH₃-N | <15 mg/L |
Txheej Txheem Flow & Technical Explanation
Kev kho tsheb ciav hlau
Cov txheej txheem kho tag nrho ua raws li qhov kev xav tau zoo los ntawm kev kho lub cev mus rau kev ua kom lom lom thiab ua kom pom tseeb kawg:
Kev tshuaj ntsuam → Sib npaug → MBBR Reactor → Secondary Clarifier → Disinfection
Tom qab cov khib nyiab ntxhib thiab cov khib nyiab raug tshem tawm los ntawm kev tshuaj ntsuam xyuas tshuab, cov dej khib nyiab nkag mus rau hauv lub tank sib npaug uas tsim los nrog lub tshuab nqus tsev.hydraulic tuav lub sij hawm (HRT) ntawm 8 teev. Lub peev xwm tsis muaj peev xwm no yog qhov tseem ceeb rau cov nroj tsuag ua zaub mov, qhov twg cov sij hawm tsim khoom tsav cov qauv tso tawm ntau yam sib txawv. Lub tank sib npaug smooths tawm ob qho tib si txaus tus nqi spikes thiab concentration viav vias, kom ntseeg tau tias muaj kev noj qab haus huv zoo ib yam mus rau theem lom neeg hauv qab.
Los ntawm qhov sib npaug ntawm lub tank, cov dej khib nyiab tau tso rau hauv MBBR reactor, uas ua haujlwm ua haujlwm tseem ceeb. Nyob rau hauv lub reactor,Ntau txhiab tus neeg nqa khoom biofilm raug tshem tawmtsis tu ncua txav mus thoob plaws hauv kab dej hauv qab kev ntxhov siab ntawm qhov zoo - npuas aeration system. Microorganisms colonize tiv thaiv sab hauv qhov chaw ntawm cov cab kuj, tsim ib tug ntom, metabolically active biofilm txheej. Vim hais tias cov kab mob yog anched rau cov neeg nqa khoom es tsis txhob ntab dawb, lub kaw lus ua tiav biomass concentration2 mus rau 3 npaug siab duadua li cov pa activated sludge phiab ntawm tib lub ntim.
Qhov no hybrid architecture muab ob peb yam tseem ceeb uas cuam tshuam ncaj qha rau kev lag luam khoom noj khoom haus cov teeb meem kev ua haujlwm:
Ntau dua microbial ntom ntawm ib chav tsev ntim.Nrog rau thaj tsam tshwj xeeb tshaj li 800 m² / m³ ib lub cubic meter ntawm cov khoom siv xov xwm, txhua lub reactor tuaj yeem tuav cov khoom siv biomass ntau dua li qhov raug ncua - kev loj hlob ntawm qhov sib npaug. Qhov no txhais tau tias me me los yog muaj peev xwm kho tau ntau dua hauv tib lub tank.
Ib txhij nitrification thiab organic degradation.Cov txheej txheem biofilm tsim cov aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic aerobic zones. Qhov stratification no tso cai rau cov kab mob nitrifying (uas oxidize ammonia rau nitrate) thiab cov kab mob heterotrophic (uas noj cov pa roj carbon monoxide) kom nyob ua ke ntawm tib lub cab kuj. Raws li qhov tshwm sim, COD tshem tawm thiab ammonia oxidation txuas ntxiv mus rau qhov tsis tas yuav tsum tau cais cov theem tank.
Muaj zog tiv thaiv hydraulic thiab organic shock loads.Txuas nrog- cov kab mob loj hlob tsis tshua muaj kev cuam tshuam rau kev ntxuav tawm ntau dua li cov flocs raug tshem tawm. Thaum muaj qhov nce nrawm nrawm los yog COD concentration hits lub reactor, biofilm tseem nyob rau hauv cov cab kuj thiab rov ua haujlwm tag nrho ib zaug ib txwm muaj. Qhov no ua tau - nyob rau hauv resilience yog ib qho tseem ceeb rau cov zaub mov ua cov nroj tsuag uas ntau lawm peaks thiab tu cycles tsim ib tug niaj hnub load fluctuations.
Key Metrics & Performance
Economic Indicators
Qhov project tau xa ntawm tag nrho cov peev ntawm$180,000, sib npaug rau kwv yees li $ 150 ib lub cubic meter ntawm lub peev xwm nruab. Qhov no piv tau zoo nrog cov pa activated sludge nroj tsuag hauv tib cheeb tsam, uas feem ntau yog li ntawm $ 200 txog $ 280 ib m³ rau cov hom phiaj kev kho mob sib piv. Cov nqi khiav hauj lwm nyob ntawm$0.35 per cubic meterntawm cov dej kho, uas tau tsav los ntawm lub zog aeration thiab kev siv tshuaj tsawg tsawg.
| Yam khoom | Tus nqi |
| Kev nqis peev tag nrho | $180,000 |
| Nqi ib m³ | $150/m³ |
| Tus Nqi Ua Haujlwm | $0.35/m³ |
| Hneev taw | 30% me dua li cov qauv siv |
Kev kho mob
Tom qab kev ua haujlwm ruaj khov tau tsim, cov dej ntws zoo tau ua raws li lossis dhau tag nrho cov kev txwv tawm. Cov ntaub ntawv hauv qab no qhia txog cov txiaj ntsig nruab nrab uas tau sau tseg thaum lub sijhawmrau lub hlis sib law liag ntawm kev saib xyuastom qab kev teeb tsa:
| Parameter | Cov dej ntws tawm | Kev tshem tawm tus nqi |
| COD | 80 mg/l | 90% |
| BOD | 20 mg/l | 95% |
| SS | 50 mg/l | 83% |
| NH₃-N | 10 mg/l | 75% |
Lub kaw lus qhia tau zoo heev stability txawm nyob rau hauv lub fluctuating influent mob. Thaum lub sij hawm a72-teev ntau lawm surge testqhov twg COD loading ob npaug rau ib ntus, cov dej ntws zoo tseem nyob hauv qhov kev tso cai txwv nrog tsuas yog marginal nce hauv seem COD thiab BOD concentrations. Rov qab mus rau qhov kev ua tau zoo hauv paus tau pom nyob rau hauv 24 teev tom qab thauj khoom rov qab mus rau qib qub, lees paub qhov muaj zog ntawm biofilm-raws li kev kho vaj tse.
Qhov project Highlights
Vim li cas thiaj xaiv MBBR Tshaj Li Kev Ua Haujlwm Ua Haujlwm Sludge?
Qhov kev txiav txim siab txais yuav MBBR rau kev txhim kho cov nroj tsuag no tau tsav los ntawm kev sib piv meej ntawm kev xav tau ntawm kev ua haujlwm thiab kev ua haujlwm muaj peev xwm. Pa activated sludge systems xav taunruam sludge rov pumping, ceev faj tswj cov zaub mov - mus rau - cov kab mob microorganism (F/M) piv, thiab sludge nkim sij hawm kom tswj tau qhov xav tau kev sib xyaw cawv suspended solids (MLSS) concentration. Cov kev tswj xyuas no ntxiv cov neeg ua haujlwm ua haujlwm thiab siv zog. MBBR tshem tawm ntau qhov kev txwv no tam sim no:
| Feature | MBBR Advantage |
| Sludge Rov qab | Tsis muaj sludge rov qab system yuav tsum tau |
| Sludge Bulking Risk | Tshem tawm los ntawm txuas nrog - kev loj hlob tsim |
| Pib- Sijhawm | Kev lag luam biofilm sai sai heev |
| Muaj peev xwm nthuav dav | Ua kom muaj qhov sib piv ntxiv kom muaj peev xwm ntxiv |
| Shock Load Resistance | Biofilm khaws biomass thaum lub sij hawm surges |
Biofilm Carrier Technical Specifications
Qhov kev ua tau zoo ntawm MBBR system nyob ntawm qhov zoo thiab tsim qauv ntawm cov khoom siv biofilm media. Rau qhov project no, siab -density polyethylene (HDPE) nqa nrog athaj chaw tshwj xeeb tshaj li 800 m² / m³raug xaiv. Qhov no txhais tau hais tias txhua lub cubic meter ntawm cov neeg nqa khoom ntim rau hauv lub reactor muab qhov sib npaug ntawm thaj tsam ntawm lub tsev hais plaub ntaus pob tesniv rau cov kab mob colonization.
Cov ntsiab lus tseem ceeb ntawm cov khoom siv xov xwm xa tawm hauv qhov project no:
| Specification | Tus nqi |
| Qhov chaw tshwj xeeb | >800 m²/m³ |
| Filling Ratio | 40% |
| Kev Pabcuam Lub Neej | >10 xyoo |
| Khoom siv | Virgin HDPE (UV{0}}stabilized) |
| Tsim nta | Kev tiv thaiv siab, tiv thaiv -clogging |
Cov40% filling ratiotau xaiv los sib npaug kev kho muaj peev xwm nrog hydraulic efficiency. Ntawm qhov chaw thau khoom no, cov neeg nqa khoom txav tau ywj pheej thoob plaws hauv lub ntim reactor yam tsis muaj qhov chaw tuag lossis luv luv -circuiting, thaum muab thaj chaw txaus rau lub biofilm muaj zog. Lub qhov dej-tsim lub vijtsam tuav ntawm lub qhov hluav taws xob reactor tiv thaiv cov cab cab thaum tso cai rau cov dej kho thiab tshem tawm cov khib nyiab kom dhau mus rau qhov ntsuas thib ob.
Xaus
Qhov project no qhia tau hais tias MBBR technology yog ib tugua tau zoo thiab txhim khu kev qhakev daws teeb meem rau kev kho dej khib nyiab, tshwj xeeb tshaj yog rau kev lag luam nrog cov khoom sib txawv thiab cov yam ntxwv pub khoom sib txawv. Kev sib xyaw ua ke ntawm - kev loj hlob biology nrog kev tsim cov reactor compact ua rau cov neeg ua haujlwm ua tau raws li qhov tsis muaj qhov ua haujlwm nyuaj uas feem ntau cuam tshuam nrog kev kho cov thev naus laus zis.
Nrog90% COD tshem tawm, 95% BOD tshem tawm, thiab tus nqi khiav haujlwm tsuas yog $ 0.35 ib lub cubic meter, MBBR txoj hauv kev muab kev lag luam muaj zog nrog rau kev ua tau zoo. 30% me dua hneev taw piv rau cov pa activated sludge frees av muaj txiaj ntsig rau lwm yam kev siv, thiab cov neeg nqa khoom.10+ xyoo kev ua haujlwmxyuas kom meej tus nqi hloov tsawg tshaj li cov nroj tsuag kev khiav hauj lwm qab ntug.
MBBR tshwj xeeb yog tsim rau:
Cov nroj tsuag ua zaub movnrog rau kev hloov pauv ntawm kev tsim khoom raws caij nyoog thiab niaj hnub, qhov kev poob siab -load resilience yog qhov tseem ceeb rau kev ua raws li kev cai.
Kev lag luam tshuaj thiab kws tshuajdaim ntawv thov xav tau kev kho kom zoo ntawm cov organic pov tseg cov kwj deg uas muaj cov tshuaj lom neeg sib txawv.
Municipal wastewater upgrading tej yaam numqhov twg uas twb muaj lawm infrastructure yuav tsum tau retrofitted kom muaj peev xwm ntau dua los yog ntau stringent tshem tawm lub hom phiaj yam tsis tau nthuav lub cev hneev taw.
Xav tau qhov kev daws teeb meem MBBR txhim khu kev qha rau koj qhov project kho dej khib nyiab?Tshawb xyuas peb ntau yam ntawm biofilm carrier media engineered rau thaj chaw siab, kev pab lub neej ntev, thiab kev ua haujlwm hydraulic zoo ib yam.