Kev daws teeb meem 1: Kev daws dej khib nyiab hauv nroog 200, 000M³/d Peev Xwm
Kev daws teeb meem:Municipal Wastewater
Pib:Lub Kaum Hli 2016
Muaj peev xwm: 200,000 m³/d
Ib qho ntawm cov kev txhawj xeeb loj txog kev kho dej khib nyiab hauv nroog yog qhov nce siab ntawm cov khoom noj khoom haus, tshwj xeeb tshaj yog nitrogen thiab phosphorus. Nitrogen thiab phosphorus yog thawj qhov ua rau kev coj noj coj ua eutrophication (piv txwv li, kev nplua nuj nyob hauv tib neeg cov dej num) hauv dej saum npoo av. Qhov kev pom zoo tshaj plaws ntawm qhov eutrophication no yog algal blooms uas tshwm sim thaum lub caij ntuj sov. Cov tsos mob ntev ntawm kev ua kom muaj txiaj ntsig zoo suav nrog cov pa oxygen tsawg, cov ntses tua, cov dej tsis zoo, thiab kev puas tsuaj ntawm cov nroj tsuag uas xav tau thiab fauna.
Kev sib tw
Cov kev sib tw tau ntsib los ntawm cov nroj tsuag uas twb muaj lawm cov dej khib nyiab kho cov nroj tsuag uas siv cov txheej txheem kev kho mob lom neeg uas tsim los ua kom tau raws li cov qauv kev kho mob thib ob feem ntau tsis tshem tag nrho cov nitrogen (TN) lossis tag nrho phosphorus (TP) mus rau qhov xav tau los tiv thaiv cov dej tau txais. Txawm li cas los xij, cov chaw kho dej khib nyiab tau nce ntxiv los daws qhov teeb meem no los ntawm kev siv cov txheej txheem kho mob uas txo cov khoom noj muaj txiaj ntsig zoo rau qib uas cov tswj hwm pom zoo los tiv thaiv ib puag ncig. Kev nqis tes ua feem ntau suav nrog cov txheej txheem tseem ceeb hloov kho rau cov nroj tsuag, xws li: ua ib feem ntawm lub aeration phiab anaerobic lossis anoxic, uas txo cov ntim aerobic thiab txwv tsis pub muaj peev xwm nitrification. Clarifier solids loading feem ntau yog qhov tseem ceeb uas txwv cov concentration ntawm biomass muaj rau nitrification, yog li kev coj ua yog ua kom bioreactor ntim kom muaj peev xwm kho tau. Qhov no tuaj yeem kim heev thiab qee zaum tsis tuaj yeem yog qhov chaw txwv.
Kev daws
Ib qho kev daws teeb meem zoo tshaj plaws kom ua tiav kev tshem tawm cov khoom siv roj ntsha yog BioCell txheej txheem, tsim los ntawm BioCell Company. Cov txheej txheem BioCell ntiav cov txiaj ntsig ntawm cov tshuab ua yeeb yaj kiab ruaj khov rau hauv cov txheej txheem ncua kev loj hlob activated sludge. Cov txheej txheem hybrid no hu ua Integrated Fixed-film Activated Sludge (IFAS) technology.
Cov txheej txheem BioCell IFAS feem ntau muab faib ua ntau theem uas suav nrog anaerobic, anoxic, thiab aerobic ntim. Hauv cov txheej txheem BioCell IFAS, cov xov xwm tau sau rau hauv cov theem aerobic thiab khaws cia los ntawm stainless hlau wedge-wire cov ntxaij vab tshaus nyob rau ntawm qhov kawg ntawm cov txheej txheem theem.
Existing Activated Sludge Plant
Activated Sludge Plant Hloov rau IFAS
Cov txiaj ntsig
Cov nroj tsuag tau ua haujlwm zoo txij li thaum pib. Vim qhov dej kub qis ntawm 10 degree, yuav luag tag nrho txoj kev loj hlob ntawm biofilm tau pom nyob rau hauv tsawg dua ib hlis.
Kev daws teeb meem 2: Kev daws teeb meem hauv Municipal Wastewater Solution 50, 000M³/d Peev Xwm
Kev daws teeb meem:Municipal Wastewater
Pib:Tsib Hlis 2015
Muaj peev xwm: 50,000 m³/d
Hais txog Integrated Fixed-film Activated Sludge (IFAS) Technology
Ib qho kev sib xyaw ua ke-zaj duab xis qhib sludge (IFAS) txheej txheem suav nrog cov txiaj ntsig thev naus laus zis ntawm cov kab ke ntawm cov tshuab ua kom cov sludge nrog cov tshuab biofilm ntawm cov tshuab ua kom cov sludge nrog cov tshuab biofilm hauv ib lub reactor. IFAS configuration yog conventionally zoo li ib tug activated sludge cog uas yuav siv sij hawm kom zoo dua ntawm ntau yam txheej txheem; xws li MLE, UCT, lossis Bardenpho, nrog cov khoom siv biomass pub rau hauv thaj chaw uas tau txiav txim siab nyob rau hauv cov txheej txheem activated sludge. Ob tug neeg lom neeg muaj tseeb yog li ua ke nrog MLSS txhawm rau txhawm rau feem ntau ntawm cov organic load (BOD) thiab biofilm uas ua rau muaj cov neeg nitrifying rau oxidation ntawm nitrogenous load.
IFAS tau ua haujlwm los hloov kho thiab txhim kho kev tshem tawm nitrogen ntawm cov nroj tsuag uas twb tau ua haujlwm lawm. Tsis tas li ntawd, IFAS tseem tuaj yeem koom ua ke hauv cov phiaj xwm tsim rau cov nroj tsuag tshiab uas yog ib feem ntawm cov hneev taw me me thaum lub sijhawm BOD thiab cov txheej txheem tshem tawm nitrogen.
Cov kev sib tw ntsib los ntawm cov nroj tsuag uas twb muaj lawm
Lub peev xwm tsim ntawm WWTP yog 50, 000m3 / d, thiab A2 / O oxidation ditch yuav siv tau rau cov txheej txheem kev kho kab mob lom, hauv qab no yog cov kev cuam tshuam thiab cov dej tsis zoo ntawm cov nroj tsuag uas twb muaj lawm:
| Qhov project | Chav tsev | Muaj hwj chim | Cov dej ntws tawm |
| COD | mg/L | 350 | 60 |
| BOD | mg/L | 160 | 10 |
| NH3-H | mg/L | 30 | 15 |
| TN | mg/L | 40 | 20 |
Cov Khoom Siv Hluav Taws Xob Uas Yuav Tsum Tau Ua tiav Cov Nroj Tsuag
| Qhov project | Chav tsev | Cov dej ntws tawm |
| COD | mg/L | 40 |
| BOD | mg/L | 6 |
| NH3-H | mg/L | 5 |
| TN | mg/L | 15 |
Muab BioCell xov xwm tso rau hauv cov sludge activated basins tsim ib qho kev sib txuas ntawm kev ncua thiab txuas nrog kev loj hlob biology uas ua kom cov txiaj ntsig zoo ntawm ob qho tib si ntawm cov kab ke no. Txhua daim ntawm BioCell media tau tsim tshwj xeeb nrog thaj chaw siab heev-rau-ntim piv los txhawb kev loj hlob ntawm biofilm. Cov cheeb tsam saum npoo yog muab los ntawm BioCell media tsim cov khoom siv biology ntxiv rau saum toj no thiab dhau qhov txwv ntawm cov txheej txheem activated sludge.
Qhov no tuaj yeem ua rau lub zog reactor muaj peev xwm, hais txog kev thauj khoom organic, lossis txhawb kev kho cov dej khib nyiab ntau dua vim muaj hnub nyoog sludge ntev. Cov yeeb yaj kiab ntxiv ruaj ruaj tsis tas yuav tsum tau txiav tawm thiab xa rov qab thiab yog li ntawd tsis ua kom cov khib nyiab thauj khoom mus rau qhov kev nthuav dav thib ob, qhov tseem ceeb uas feem ntau txwv tsis pub muaj peev xwm kho tau ntawm cov tshuab ua haujlwm sludge. IFAS thev naus laus zis hais txog qhov yuav tsum tau ua kom muaj peev xwm ua kom cov sludge cog ntxiv yam tsis muaj cov lus qhia ntxiv lossis cov dej ntim hauv av. Lub biomass ruaj khov kuj tseem txhawb nqa lub peev xwm ntawm cov txheej txheem los teb cov organic lossis hydraulic shock loads thiab rov qab los ntawm kev ntxhov siab.
Cov txheej txheem BioCell IFAS yog qhov kev daws teeb meem zoo tshaj plaws rau kev txhim kho cov nroj tsuag uas twb muaj lawm los txhawb kev tshem tawm cov khoom noj lom lom lom yam tsis ntxiv cov ntim reactor. Ib feem ntawm cov cheeb tsam aerobic uas twb muaj lawm tuaj yeem muab faib ua anaerobic lossis anoxic zones rau kev kho BNR siab heev thiab ntxiv ntawm BioCell media rau thaj tsam aerobic ntxiv ua rau cov Khoom Siv Lub Sijhawm Retention (SRT) mus rau qib uas xav tau rau nitrification.
Cov txiaj ntsig
Effluent COD thiab NH4-N tau raug tshem tawm zoo, thiab cov dej ntws zoo tuaj yeem ua raws li tus tswv txoj cai tso cai.
Kev daws teeb meem 3: Kev daws dej khib nyiab hauv nroog 20, 000M³/d Peev Xwm
Kev daws teeb meem:Municipal Wastewater
Pib:Tsib Hlis 2016
Muaj peev xwm: 20,000 m³/d
Qhov no yog thawj qhov kev siv dej loj loj hauv lran, thawj qhov project uas siv cov dej khib nyiab los ua cov dej tsim steel, tag nrho cov dej xa dej ntawm lub Hoobkas tsis tas yuav siv cov dej tshiab.
Peb tau koom tes nrog DANIELI, thiab muab MBBR txheej txheem pob thiab kev pabcuam thev naus laus zis.
Kev sib tw
Qhov no WWT cog tsim muaj peev xwm yog 860m3/h, nws yog cov dej khib nyiab hauv nroog, qhov Inlet thiab MBBR qhov hluav taws xob muaj nuj nqis raws li hauv qab no:
| Parameter | Chav tsev | Inlet Values | Qhov hluav taws xob muaj nuj nqis |
| COD | mg/L | 80~250 | ＜50 |
| BOD 5 | mg/L | 40~150 | ＜10 |
| NH4-N | mg/L | 0.1~50 | ＜5 |
Kev daws
Cov txheej txheem kho mob yog MBBR + UF + RO, thiab muab cov kev daws teeb meem tshiab rau cov teeb meem dej tsis txaus hauv lran.
Lub ntsiab yam ntxwv ntawm Moving Bed Biological Reactor (MBBR) configurations yog tias tsis muaj sludge recycle los ntawm ib tug thib ob clarifier. MBBR yog qhov tseem ceeb ntawm kev yooj yim, ib zaug dhau los ntawm cov txheej txheem, qhov twg tag nrho cov haujlwm lom neeg muaj nyob rau ntawm cov khoom siv biomass. MBBR feem ntau yog ua raws li cov khoom sib cais xws li cov lus qhia thib ob lossis DAF, kom cais cov khoom siv bio-solids uas ua rau hauv cov txheej txheem los ntawm qhov kawg effluent. Qhov txiaj ntsig tseem ceeb ntawm MBBR yog qhov muaj zog thiab yooj yim txo cov kuab paug (soluble BOD lossis COD, NH4 +, thiab lwm yam), nrog cov txheej txheem tsawg tsawg, kev siv.
Muaj ob txheej ntawm kev ua haujlwm sib luag MBBR tso tsheb hlau luam, txhua lub tank muaj xya txheej aeration yeeb nkab, uas los ntawm ib mus rau rau lub teeb yog tib yam, qhov kawg ntawm cov txheej txheem kawg nyob ze ntawm lub xov xwm tuav lub vijtsam yuav ntxiv ntau qhov chaw, txhawm rau tiv thaiv kev tshaj tawm xov xwm. nce ntawm qhov screen.
BioCell Media
Media muab ob txoj haujlwm tseem ceeb: Qhov chaw tiv thaiv sab hauv qhov chaw tso cai rau biofilm txuas thaum txhawb nqa cov kab mob heterotroph / autotroph. Qhov thib ob, ntau lab ntawm cov xov xwm tshaj tawm ua raws li cov cuab yeej shearing ntawm chav kawm huab cua npuas kom ua kom cov pa oxygen ntau tshaj.
Aeration yeeb nkab
Lub tshuab stainless hlau ntxhib npuas aeration yog ua haujlwm los muab cov xov xwm tshem tawm kom sib npaug thoob plaws hauv lub reactor thaum muab lub zog sib xyaw uas yuav tsum tau ua kom cov qub biofilm los ntawm thaj chaw sab hauv ntawm cov xov xwm thiab tswj cov pa oxygen uas xav tau los txhawb txoj kev kho mob lom.
Media Retention Sereen
Stainless hlau wedge hlau cov ntxaij vab tshaus khaws cov cultivated biofilm / media nyob rau hauv ib tug txheej txheem-tsim reactor thaum cia cov dej khib nyiab kho thiab sloughed biofilm ntws mus rau theem tom ntej kev kho mob.
Cov txiaj ntsig
Tag nrho qhov project tau ua tiav, kom tau txais txiaj ntsig zoo los ntawm tus neeg cog lus thiab tus tswv.
Tus nqi COD ntawm cov effluent yog qis dua 30mg / l, ua kom lub sijhawm ntev thiab ua haujlwm ruaj khov.