Cov Hom Ntawm MBBR
MBBR stands rau Moving Bed Biofilm Reactor. Nws yog ib hom kev kho dej khib nyiab thev naus laus zis uas siv lub txaj ntawm cov khoom siv yas biofilm los txhawb kev loj hlob ntawm cov kab mob uas ua rau cov organic teeb meem hauv cov dej khib nyiab.
Hauv MBBR system, cov khoom siv biofilm raug tshem tawm hauv cov dej khib nyiab thiab txav mus los hauv lub tank kho, muab thaj chaw loj rau kev loj hlob ntawm cov kab mob uas haus cov organic. Cov cab kuj feem ntau yog ua los ntawm high-density polyethylene (HDPE) thiab muaj thaj chaw tshwj xeeb uas tso cai rau cov kab mob loj ntawm cov kab mob loj.
Cov txheej txheem MBBR raug suav hais tias yog ib txoj hauv kev zoo thiab muaj txiaj ntsig zoo los kho cov dej khib nyiab vim nws tso cai rau kev kho cov qib siab hauv cov hneev taw me me. MBBR cov tshuab feem ntau yog siv rau hauv cov chaw kho dej khib nyiab hauv nroog, kev kho dej khib nyiab, thiab kev kho cov dej khib nyiab los ntawm kev ua zaub mov, cov ntaub ntawv thiab cov ntawv zeb, thiab cov nroj tsuag petrochemical, thiab lwm yam.
Muaj ntau hom MBBR tshuab uas tuaj yeem siv tau raws li qhov xav tau ntawm kev kho dej khib nyiab tshwj xeeb ntawm daim ntawv thov. Nov yog qee yam hom:
Ib-theem MBBR:
Single-Stage MBBR, los yog Ib-theem Moving Bed Biofilm Reactor, yog ib hom kev kho cov dej khib nyiab uas siv lub txaj ntawm submerged yas biofilm nqa los txhawb kev loj hlob ntawm cov kab mob uas rhuav tshem cov pa phem hauv cov dej khib nyiab.
Hauv Ib-theem MBBR system, cov khoom siv biofilm raug tshem tawm hauv cov dej khib nyiab thiab tsis tu ncua los ntawm aeration lossis mechanical mixing. Qhov kev ntxhov siab no ua kom cov kab mob nkag mus rau oxygen thiab cov as-ham, uas tsim nyog rau lawv txoj kev loj hlob thiab cov metabolism.
Raws li cov dej khib nyiab ntws los ntawm MBBR system, cov organic pollutants nyob rau hauv dej yog adsorbed mus rau biofilm carriers thiab ces tawg los ntawm cov kab mob nyob rau hauv lub carrier nto. Qhov tshwm sim los ntawm cov khoom lag luam feem ntau yog carbon dioxide thiab dej.
Kev ua tau zoo ntawm Single-Stage MBBR system hauv kev kho cov dej khib nyiab yog nyob ntawm ntau yam, suav nrog hom thiab cov ntsiab lus ntawm cov pa phem hauv cov dej khib nyiab, hom thiab qhov ntom ntom ntawm cov kab mob ntawm cov khoom siv biofilm, thiab cov nyiaj aeration lossis sib tov hauv qhov system. Kev tsim thiab kev ua haujlwm ntawm qhov system yuav tsum tau ua tib zoo ua kom zoo kom ua tiav qhov kev xav tau ntawm kev kho mob.
Ob-theem MBBR:
Ob-Stage MBBR, los yog Ob-Stage Moving Bed Biofilm Reactor, yog ib hom kev kho dej khib nyiab uas siv ob theem ntawm cov khoom siv biofilm kom tshem tawm cov pa phem ntawm cov dej khib nyiab.
Hauv ob-theem MBBR system, thawj theem muaj cov thawj reactor uas cov dej khib nyiab tau pib kho. Tus thawj reactor muaj biofilm nqa khoom uas tsim los tshem tawm cov organic loj thiab cov kab mob. Cov dej tom qab ntawd ntws mus rau theem thib ob, uas yog lub tshuab hluav taws xob thib ob, qhov twg cov khoom me me thiab cov khoom paug raug tshem tawm. Qhov thib ob theem kuj muaj cov khoom siv biofilm, uas feem ntau me me dua li cov siv hauv thawj reactor.
Qhov thib ob theem ntawm ob-Stage MBBR system tuaj yeem tsim los kho cov kab mob tshwj xeeb uas tsis raug tshem tawm hauv thawj theem. Piv txwv li, theem ob yuav ua kom zoo kom tshem tawm nitrogen los yog phosphorus los ntawm cov dej khib nyiab, uas yog cov pa phem nyob hauv ntau cov dej khib nyiab hauv nroog.
Qhov ua tau zoo ntawm Ob-Stage MBBR system hauv kev kho cov dej khib nyiab yog nyob ntawm ntau yam, suav nrog hom thiab qhov siab ntawm cov pa phem hauv cov dej khib nyiab, hom thiab qhov ntom ntom ntawm cov kab mob ntawm cov khoom siv biofilm, thiab tus nqi ntawm aeration los yog sib tov hauv qhov system. Kev tsim thiab kev ua haujlwm ntawm qhov system yuav tsum tau ua tib zoo ua kom zoo kom ua tiav qhov kev xav tau ntawm kev kho mob. Ob-Stage MBBR systems tuaj yeem ua tau zoo thiab muaj txiaj ntsig zoo los kho cov dej khib nyiab, tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej uas ib-theem MBBR system tsis txaus kom ua tau raws li cov qauv kev kho mob.
Integrated Fixed-Film Activated Sludge (IFAS) MBBR:
Integrated Fixed-Film Activated Sludge (IFAS) MBBR, los yog IFAS-MBBR, yog cov txheej txheem kho dej khib nyiab uas sib xyaw ua ke ob txoj kev kho mob lom neeg: Moving Bed Biofilm Reactor (MBBR) thiab cov txheej txheem Activated Sludge (AS).
Nyob rau hauv IFAS-MBBR system, biofilm nqa tau siv nyob rau hauv MBBR tank los txhawb kev loj hlob ntawm cov kab mob uas ua rau cov pa phem hauv cov dej khib nyiab. MBBR tank kuj tau nruab nrog aeration thiab sib tov khoom los xyuas kom meej tias cov khoom siv biofilm tsis tu ncua thiab muaj kev nkag mus rau oxygen thiab cov as-ham.
Ntxiv nrog rau MBBR tank, IFAS-MBBR system kuj suav nrog lub tshuab ua kom cov sludge tank. Lub activated sludge tank muaj cov kab mob tshem tawm uas tseem tuaj yeem pab ua kom cov pa phem hauv cov dej khib nyiab. Cov kab mob nyob rau hauv lub tshuab ua kom cov sludge tank yog aerated tas li thiab sib xyaw kom pom kev kho mob.
IFAS-MBBR system muab cov txiaj ntsig zoo ntawm MBBR thiab AS thev naus laus zis. Cov khoom siv biofilm hauv MBBR tank muab thaj chaw loj rau cov kab mob kom loj hlob, ua rau muaj kev kho mob siab thiab muaj peev xwm. Lub activated sludge tank muab kev kho mob ntxiv thiab txhim kho kev kho mob tag nrho ntawm lub cev.
Kev ua tau zoo ntawm IFAS-MBBR system hauv kev kho cov dej khib nyiab yog nyob ntawm ntau yam, suav nrog hom thiab concentration ntawm cov pa phem hauv cov dej khib nyiab, hom thiab qhov ntom ntom ntawm cov kab mob ntawm cov khoom siv biofilm thiab hauv cov activated sludge, thiab tus nqi ntawm aeration. thiab sib tov hauv qhov system. Kev tsim thiab kev ua haujlwm ntawm qhov system yuav tsum tau ua tib zoo ua kom zoo kom ua tiav qhov kev xav tau ntawm kev kho mob. IFAS-MBBR systems feem ntau yog siv rau hauv nroog thiab kev lag luam kev siv dej khib nyiab, thiab tuaj yeem yog txoj hauv kev zoo thiab muaj txiaj ntsig los kho ntau yam ntawm cov pa phem.
Membrane Biofilm Reactor (MBfR):
Membrane Biofilm Reactor (MBfR) yog ib hom kev kho dej khib nyiab lom neeg uas siv cov biofilm txuas nrog cov roj-permeable membrane kom tshem tawm cov pa phem ntawm cov dej khib nyiab. Cov txheej txheem MBfR muab cov txiaj ntsig zoo ntawm ob qho tib si membrane sib cais thiab kev kho cov thev naus laus zis.
Hauv MBfR system, biofilm yog tsim nyob rau saum npoo ntawm daim nyias nyias los ntawm cov kab mob uas loj hlob thiab metabolize cov pa phem hauv cov dej khib nyiab. Lub daim nyias nyias ua raws li lub cev thaiv kev tiv thaiv kev loj hlob ntawm cov kab mob tsis zoo hauv cov dej kho. Cov pa roj-permeable membrane kuj tso cai rau kev nthuav dav ntawm cov pa roj, xws li oxygen, carbon dioxide thiab nitrogen, los txhawb kev loj hlob thiab metabolism ntawm cov kab mob.
MBfR system tuaj yeem ua haujlwm hauv ib puag ncig anaerobic lossis aerobic nyob ntawm qhov yuav tsum tau ua ntawm cov dej khib nyiab raug kho. Nyob rau hauv ib qho anaerobic MBfR system, organic pollutants tau tawg los ntawm cov kab mob anaerobic hauv biofilm. Nyob rau hauv ib qho aerobic MBfR system, oxygen yog nkag mus rau biofilm los txhawb kev loj hlob ntawm cov kab mob aerobic uas rhuav tshem cov pa phem.
MBfR system muaj ntau qhov zoo dua li lwm cov thev naus laus zis kho dej khib nyiab, suav nrog lub peev xwm los kho ntau yam ntawm cov pa phem, kev kho mob siab, thiab kev siv hluav taws xob tsawg. Lub kaw lus kuj tsim cov kua dej zoo uas tuaj yeem rov siv tau rau ntau lub hom phiaj.
Kev ua tau zoo ntawm MBfR system hauv kev kho cov dej khib nyiab yog nyob ntawm ntau yam, suav nrog hom thiab cov pa phem hauv cov dej khib nyiab, hom thiab qhov ntom ntom ntawm cov kab mob hauv biofilm, thiab cov pa oxygen lossis lwm cov pa roj nkag mus rau biofilm. Kev tsim thiab kev ua haujlwm ntawm qhov system yuav tsum tau ua tib zoo ua kom zoo kom ua tiav qhov kev xav tau ntawm kev kho mob. MBfR cov tshuab feem ntau yog siv rau hauv kev lag luam thiab hauv nroog kev siv dej khib nyiab, thiab tuaj yeem yog txoj hauv kev zoo thiab muaj txiaj ntsig zoo los kho cov pa phem hauv cov dej khib nyiab.
Txhua hom MBBR system muaj nws tus kheej zoo thiab qhov tsis zoo, thiab kev xaiv ntawm qhov system yuav nyob ntawm seb cov dej khib nyiab tshwj xeeb ntawm daim ntawv thov.