MBBR Media Applications in Municipal & Industrial Wastewater Treatment|Malaysia Case Study

Kev siv tswv yim ntawm MBBR Media hauv Municipal thiab Industrial Wastewater Treatment

Taw qhia

MBBR (Moving Bed Biofilm Reactor) xov xwm tau siv dav hauv kev kho dej khib nyiab hauv nroog thiab kev lag luam thoob ntiaj teb vim nws txoj kev kho kom paub tab thiab hloov tau zoo. Hauv kev kho cov dej khib nyiab hauv nroog, cov cuab yeej no feem ntau siv rau kev kho dua tshiab thiab kho dua tshiab ntawm cov chaw kho mob uas twb muaj lawm kom ua tau raws li cov qauv tso tawm nruj dua; Thaum nyob rau hauv industrial scenarios, nws muaj peev xwm tiv tau zoo nrog cov yam ntxwv ntawm complex pollutant muaj pes tsawg leeg thiab loj load fluctuations ntawm industrial wastewater. Tsab ntawv xov xwm no yuav tshawb nrhiav cov ntaub ntawv siv tau ntawm MBBR xov xwm thiab cov teebmeem kev kho mob ua tiav hauv cov xwm txheej sib txawv, tsom mus rau keeb kwm ntawm kev kho cov dej khib nyiab hauv Malaysia thiab cov qauv kev tsim vaj tsev los qhia txog kev ua tau zoo thiab kev lag luam ntawm cov thev naus laus zis no.

Txheej txheem cej luam ntawm keeb kwm ntawm Malaysia kev kho dej khib nyiab kev lag luam

Raws li lub tebchaws Esxias yav Qab Teb Hnub Tuaj, Malaysia tau txais txiaj ntsig nrog cov peev txheej dej ntau, thiab qee thaj chaw txawm xa tawm dej tshiab rau cov tebchaws nyob sib ze tau ntev. Txawm li cas los xij, nyob rau xyoo tas los no, cuam tshuam los ntawm ntau yam xws li kev loj hlob ntawm cov pej xeem hauv nroog, kev tsim kho kev lag luam sai thiab kev paub txog ib puag ncig, kev kho dej khib nyiab hauv Malaysia tau ntsib teeb meem loj thiab xav tau ceev. Los ntawm qhov kev xav ntawm kev lag luam xwm txheej, qee thaj tsam hauv Malaysia muaj teeb meem xws li cov dej xau ncaj qha, cov chaw kho mob tsis tu ncua thiab kev kho tsis txaus. Ntawm lawv, ntau qhov chaw xws li Johor thiab Sarawak tau pom muaj kuab paug hauv dej hnyav vim muaj kev tso dej tsis raug cai los ntawm cov chaw ua haujlwm hauv ntug dej hiav txwv thiab tsis muaj kev tswj hwm cov dej phwj hauv tsev los ntawm cov neeg nyob hauv, thiab txawm tias muaj teeb meem dej tsis tu ncua. Tsuas yog hauv Johor, cov dej khib nyiab txhua hnub tau nce mus txog 1.173 billion litres, uas ua rau muaj kev tsis sib haum xeeb ntawm cov dej thiab kev xav tau ntxiv.

Txhawm rau txhim kho cov dej ib puag ncig zoo, tsoomfwv Malaysia tau txuas ntxiv txhim kho kev tiv thaiv ib puag ncig cov cai thiab cov cai. Ntawm lawv, Environmental Quality (Sewage) Regulations 2009 tau tsim cov qauv kev lim dej nruj (Standard A: BOD₅ Tsawg dua lossis sib npaug li 20 mg / L, COD Tsawg dua lossis sib npaug li 50 mg / L, Suspended Solids Tsawg dua lossis sib npaug li 50 mg / L), muab cov dej pov tseg ntau dua rau kev kho cov nroj tsuag uas twb muaj lawm. Nyob rau tib lub sijhawm, Malaysia tau maj mam nqis peev hauv kev tsim kho thiab kho cov chaw kho dej khib nyiab. Ntawm qhov tod tes, nws txhawb nqa kev tsim kho ntawm cov dej phwj hauv nruab nrab. Piv txwv li, Kuching tau nqis peev ntau rau hauv kev tsim kho cov dej phwj hauv nruab nrab, uas kho cov dej phwj hauv nruab nrab hauv theem ua ntej tso tawm mus rau hauv cov dej ntws, maj mam txhim kho cov dej qias neeg. Ntawm qhov tod tes, nws nquag qhia txog kev kho dej khib nyiab zoo. Nrog rau qhov zoo ntawm qhov chaw me me, lub voj voog hloov kho luv luv, kev kho mob siab thiab kev tswj xyuas tus nqi, MBBR thev naus laus zis tau dhau los ua cov thev naus laus zis zoo tshaj plaws rau kev kho dua tshiab thiab kho dua tshiab ntawm cov chaw kho dej khib nyiab hauv nroog Malaysia, thiab tau siv dav hauv ntau lub cheeb tsam kev kho dej khib nyiab. Tsis tas li ntawd, Malaysia kuj tau txhawb nqa kev kho cov khoom pov tseg thiab cov pa phem hauv xyoo tas los no los txo cov pa phem ntawm qhov chaw, ua kom lub nra ntawm kev kho dej khib nyiab, thiab tsim kom muaj kev tiv thaiv ib puag ncig kev tswj hwm ntawm "qhov chaw tswj hwm + kawg- ntawm- yeeb nkab kho".

Daim Ntawv Thov Cov Ntaub Ntawv ntawm MBBR Media hauv Kev Kho Dej Hauv Nroog

(1) Renovation Case ntawm Lub Nroog Lub Chaw Kho Dej Kho Dej hauv Tebchaws Europe

Hauv kev kho dej khib nyiab hauv nroog, ib qho kev thov sib txawv ntawm MBBR media yog kev kho dua tshiab thiab kho dua tshiab ntawm cov chaw kho dej sludge. Ntau lub tsev kho mob qub tab tom ntsib cov teeb meem coj los ntawm kev ua kom nruj nitrogen thiab phosphorus tshem tawm. Los ntawm kev ntxiv MBBR media rau cov tso tsheb hlau luam uas twb muaj lawm, biomass khaws cia tuaj yeem nce ntxiv yam tsis tau nthuav dav lub reactor ntim. Piv txwv li, ib lub chaw kho dej khib nyiab hauv nroog hauv Tebchaws Europe nrog kev tsim kho muaj peev xwm ntawm 50,000 Population Equivalents (PE) tau txais MBBR media rau nitrification li renovation. Ua ntej kev kho dua tshiab, ammonia nitrogen tshem tawm ntawm cov nroj tsuag tsuas yog 75%, uas ua tsis tau raws li tus qauv tso tawm ntawm 5 mg / L; Tom qab kev txhim kho MBBR media nrog thaj chaw tshwj xeeb ntawm 800 m² / m³, ammonia nitrogen tshem tawm tus nqi nce mus rau ntau dua 95%, thiab cov effluent ammonia nitrogen concentration tau ruaj khov hauv qab 3 mg / L. Txoj haujlwm kho dua tshiab tau siv sijhawm luv luv, thiab cov nqi ua haujlwm tsuas yog nce los ntawm 10%, uas qhia tag nrho kev lag luam ntawm MBBR media hauv kev txhim kho thiab kho dua tshiab ntawm cov chaw kho dej khib nyiab hauv nroog.

(2) Renovation Case ntawm Kuala Sawah Regional Sewage Treatment Plant hauv Malaysia

Nrog rau txoj kev loj hlob ntawm cov pej xeem hauv nroog thiab kev tswj hwm ib puag ncig kev tiv thaiv ib puag ncig hauv Malaysia, MBBR thev naus laus zis kuj tau maj mam tau txais kev kho dua tshiab ntawm cov chaw kho dej khib nyiab hauv nroog. Kuala Sawah Regional Sewage Treatment Plant (RSTP) hauv Negeri Sembilan, ua haujlwm los ntawm Indah Water Konsortium (IWK), urgently xav tau los txhim kho nws cov kev kho mob kom ua tau raws li cov qauv tso tawm nruj hauv Malaysia's Environmental Quality (Sewage) Regulations 2009. Cov nroj tsuag Ameslikas tau txais kev kho oxidation, 00 ditch txheej txheem 260 m³ ntawm fecal sludge ib hnub twg, pab cov pej xeem ntawm 320,000 PE. Txawm li cas los xij, nws cov txiaj ntsig tshem tawm nitrogen tsis ruaj khov, thiab cov ntsuas dej ntws feem ntau ua tsis tau raws li cov qauv thaum lub sij hawm thauj khoom siab tshaj plaws, uas tsis sib haum nrog qhov kev thov ceev rau kev tswj hwm dej ib puag ncig hauv cheeb tsam.

Txhawm rau daws cov teeb meem saum toj no yam tsis tau nthuav dav qhov chaw hauv pem teb uas twb muaj lawm (qhov tseem ceeb hauv cheeb tsam hauv nroog), cov nroj tsuag tau ua haujlwm MBBR media renovation project hauv xyoo 2023. MBBR 37 xov xwm nrog thaj tsam tshwj xeeb ntawm 800 m² / m³ suav txog 25% ntawm cov reactor ntim tau ntxiv rau thaj tsam aerobic ntawm oxidation ditch. Txoj haujlwm kho dua tshiab tau ua tiav hauv theem, nrog rau txhua theem ua tiav hauv 10 hnub, txo qhov cuam tshuam rau kev ua haujlwm. MBBR system tau txhim kho lub peev xwm ntawm biomass, tshwj xeeb tshaj yog kev txhawb nqa ntawm cov kab mob nitrifying (Nitrospira spp.), txhim kho cov nroj tsuag muaj peev xwm tiv thaiv kev hloov pauv hauv cov organic load thiab nitrogen load, thiab daws qhov mob ntawm qhov tsis ruaj tsis khov nitrogen tshem tawm ntawm cov txheej txheem qub.

(3) Kev sib piv ntawm kev kho mob ua ntej thiab tom qab kho dua tshiab

Cov lus 1 hauv qab no piav qhia txog kev kho mob ntawm Kuala Sawah RSTP ua ntej thiab tom qab kev kho dua tshiab MBBR, piv nrog Malaysia's Standard A tso tawm txwv rau kev siv.

Nws tuaj yeem pom los ntawm Table 1 tias MBBR kho dua tshiab tau txhim kho kev kho mob ntawm cov nroj tsuag. Tag nrho cov ntsuas tseem ceeb ruaj khov ua tau raws li Malaysia's Standard A tso tawm cov qauv, ntawm cov ammonia nitrogen tshem tawm tus nqi nce ntau dua 20 feem pua ​​​​cov ntsiab lus, ua tiav cov teeb meem ntawm cov dej tsis zoo thaum lub sijhawm thauj khoom siab tshaj. Tsis tas li ntawd, MBBR system txo cov sludge ntau dhau los ntawm 28%, txo cov nqi pov tseg txhua hli los ntawm kwv yees li 25,000 Malaysian Ringgit (RM). Ua tsaug rau lub zog-txuag tsim ntawm MBBR system, tus nqi ua haujlwm tsuas yog nce li 8%, ua rau nws muaj txiaj ntsig zoo thiab kev daws teeb meem rau cov nroj tsuag kho dua tshiab thiab kho dua tshiab, thiab tseem muab cov ntaub ntawv siv tau rau kev kho dua tshiab ntawm lwm cov dej khib nyiab qub hauv Malaysia.

Daim Ntawv Thov Cov Ntaub Ntawv ntawm MBBR Media hauv Kev Kho Dej Kho Dej

(1) Kev kho dej khib nyiab ntawm North American Dairy Processing Cog

Hauv kev lag luam, MBBR media tau ua tiav hauv kev kho ntau hom dej khib nyiab. Piv txwv li, cov khoom noj cov dej khib nyiab feem ntau muaj cov organic teeb meem ntau (COD txog 10,000 mg / L) thiab cov rog, uas nyuaj rau kev kho mob zoo nrog cov txheej txheem ib txwm muaj. Ib lub chaw tsim khoom noj mis hauv North American tau txais kev siv MBBR los kho nws cov dej khib nyiab. Lub reactor tau ntim nrog 30% ntim ntawm cylindrical MBBR media, thiab lub sijhawm hydraulic tuav tau tswj ntawm 8 teev. Cov txiaj ntsig kev ua haujlwm tau pom tias COD tshem tawm tus nqi nce mus txog 92% thiab BOD₅ tshem tawm tus nqi nce mus txog 94%, uas yog qhov zoo dua li qhov ua tau zoo ntawm cov txheej txheem activated sludge qub (COD tshem tawm tus nqi ntawm 78%); Nyob rau tib lub sijhawm, cov sludge ntau lawm tau txo los ntawm 30%, txo cov sludge pov tseg cov nqi thiab ntsuas kev kho mob thiab kev lag luam.

(2) Kev kho dej khib nyiab Case ntawm Asian Pharmaceutical Plant

Lwm daim ntawv thov scenario yog kev kho cov dej khib nyiab. Xws li cov dej khib nyiab muaj cov tshuaj lom thiab cov khoom siv hluav taws xob refractory, uas nyuaj rau kev kho. Ib qho chaw cog tshuaj Asian tau txais kev sib koom ua ke ntawm MBBR media thiab Advanced Oxidation Processes (AOPs) los kho cov dej khib nyiab. MBBR tau siv ua ntej- chav kho mob kom tshem tawm cov organic teeb meem biodegradable, txo cov kev kho mob ntawm AOPs tom ntej thiab zam kev cuam tshuam ntawm cov tshuaj lom rau cov txheej txheem tom ntej. MBBR reactor ua tiav COD tshem tawm tus nqi ntawm 65% rau cov dej khib nyiab. Tom qab kev kho mob los ntawm cov txheej txheem ua ke, qhov kawg ntawm COD concentration yog qis dua 50 mg / L, ua tau raws li cov qauv tso tawm hauv zos. Daim ntawv thov ntawm MBBR media kuj tau txhim kho kev ruaj ntseg ntawm txoj kev kho mob, ua rau tsis muaj zog ntawm cov tshuaj lom neeg ntawm cov txheej txheem kho, thiab ua kom lub sijhawm ntev - lub sijhawm ua haujlwm ruaj khov ntawm kev kho mob.

Kev sib piv ntawm MBBR System Performance in Different Application Scenarios

Table 2 hauv qab no piv cov kev ua tau zoo ntawm MBBR systems nyob rau hauv ntau daim ntawv thov scenarios piav nyob rau hauv tsab xov xwm no, qhia txog lub versatility thiab adaptability ntawm no technology, thiab muab kev siv rau kev xaiv ntawm ntau hom kev kho dej khib nyiab.

Xaus

Cov ntaub ntawv siv tau zoo saum toj no qhia tau tias MBBR xov xwm yog kev siv tshuab thoob ntiaj teb thiab tsim nyog rau kev kho dej hauv nroog thiab kev lag luam. Nws muaj qhov zoo ntawm cov kabmob siab organic load, muaj zog poob siab load kuj, thiab muaj peev xwm koom tes thiab koom ua ke nrog lwm cov txheej txheem kev kho mob, ua rau nws nyiam kev daws teeb meem kev kho dej khib nyiab. Tshwj xeeb tshaj yog nyob rau Malaysia, ua ke nrog cov kev xav tau hauv cheeb tsam ntawm kev kho dej khib nyiab- muaj kev kub ntxhov los txhim kho cov chaw qub, cov txheej txheem tso tawm nruj me ntsis, thiab qhov yuav tsum tau sib npaug ntawm qhov chaw hauv pem teb thiab cov nqi khiav lag luam- daim ntawv thov ntawm MBBR thev naus laus zis tau daws cov teeb meem mob ntawm cov dej khib nyiab hauv zos, muab kev txhawb nqa zoo thiab kev lag luam rau cov dej ib puag ncig kev tswj hwm hauv cheeb tsam dej khib nyiab hauv Malaysia.

Xav tias dawb hu rau Rachel los tham ntxiv!

WhatsApp: +86 137 9555 6548

Email: [email protected]