Taw qhia txog cov txheej txheem dej phwj tuaj hauv cov khoom lag luam qab zib molasses

Sugarcane molasses Hoobkas dej khib nyiab yog ib yam ntawm cov dej khib nyiab uas muaj siab concentration ntawm cov pa phem organic, uas yuav ua rau muaj kuab paug rau ib puag ncig yog tias tsis kho kom zoo. Txhawm rau txo qhov cuam tshuam rau ib puag ncig, cov chaw tsim khoom qab zib molasses yuav tsum tau txais cov txheej txheem kev tshawb fawb thiab kev kho kom zoo los kho cov dej khib nyiab kom tau raws li cov qauv tso tawm.

Cov txheej txheem ntws ntawm cov dej phwj tuaj kho hauv lub tsev so qab zib molasses yog raws li hauv qab no:
Ua ntej
Cov dej khib nyiab nkag mus rau hauv lub tank pretreatment, tau txais kev kho lub cev thiab kev kho mob ua ntej. Nyob rau hauv lub tank pretreatment, nws thawj zaug dhau los ntawm cov hniav nyiaj hniav kub thiab cov grit chamber kom tshem tawm cov impurities loj thiab sediment nyob rau hauv cov dej phwj tuaj, thiaj li tsis txhob cuam tshuam cov khoom siv kho mob tom ntej.
Tom qab ntawd, cov dej phwj tuaj yuav ntws mus rau hauv lub tshuab bioreactor anaerobic, qhov kev kho mob ua ntej ua tiav, thiab qee cov organic tshuaj tau hloov mus rau hauv biodegradable tshuaj los ntawm kev ua ntawm cov kab mob. Lub hom phiaj tseem ceeb ntawm qhov kev kho mob ua ntej no yog kom txo cov load ntawm cov khoom siv kho mob tom ntej thiab txo cov nqi kho mob.

Kev Kho Mob Biochemical
Cov dej khib nyiab pretreated ntws mus rau hauv lub tank kho biochemical. Biochemical kev kho mob yog hais txog cov txheej txheem ntawm kev siv cov kab mob kom degrade cov pa phem rau hauv cov khoom tsis zoo xws li dej thiab carbon dioxide. Nyob rau hauv lub tank kho biochemical, cov dej khib nyiab yog tag nrho nrog huab cua, thiab cov kab mob uas muaj nyob rau hauv qhov yog siv los degrade cov pa phem. Cov kab mob no feem ntau muab faib ua ob hom, ib qho yog cov kab mob anaerobic, thiab lwm yam yog cov kab mob aerobic.
Nyob rau hauv tus txheej txheem ntawm kev ua, nws yog ib qho tsim nyog yuav tsum tau them sai sai rau kev tswj hwm kev pub noj thiab kev loj hlob ib puag ncig ntawm cov kab mob kom ntseeg tau tias cov kab mob degradation zoo. Nyob rau tib lub sijhawm, kev saib xyuas yuav tsum tau them nyiaj rau kev tswj qhov kub thiab txias, pH tus nqi thiab cov pa oxygen hauv lub pas dej biochemical kom ntseeg tau tias microbial kev ua haujlwm thiab kev ua haujlwm tsis zoo.

Kev kho dej nag
Cov dej khib nyiab tom qab kev kho biochemical kuj tseem yuav tsum tau txais kev kho sedimentation kom tshem tawm cov kab mob, cov kab mob thiab cov colloidal impurities tshem tawm hauv cov dej khib nyiab. Feem ntau, lub tank sedimentation yog siv, siv lub hauv paus ntsiab lus ntawm lub cev sedimentation, ntxiv ib co coagulant rau cov dej khib nyiab, kom cov khib nyiab tshem tawm hauv cov dej khib nyiab sib sau ua ke, thiab tom qab ntawd txiav mus rau hauv qab.
Lub hom phiaj tseem ceeb ntawm kev kho sedimentation yog txhawm rau txo cov concentration ntawm cov khib nyiab tshem tawm hauv dej, txhim kho cov pob tshab thiab ruaj khov ntawm cov dej khib nyiab, thiab muab cov kev mob zoo dua rau cov kauj ruam tom ntej.

Lim
Cov dej khib nyiab tom qab kev kho sedimentation tseem muaj cov khoom seem xws li cov khoom me me, colloids thiab lwm yam kab mob. Yog li ntawd, filtration yog yuav tsum tau tshem tawm cov me me hais thiab tshuaj.
Feem ntau, cov khoom siv lim dej yog siv, thiab cov dej khib nyiab dhau los ntawm cov txheej txheem lim kom tshem tawm cov khoom seem hauv dej. Cov khoom siv lim dej ntawm lub tank lim feem ntau yog ua los ntawm quartz xuab zeb, thee thiab lwm yam ntaub ntawv, thiab qhov loj thiab cov duab ntawm cov khoom lim yuav tsum tau ua kom zoo ib yam kom ua tiav qhov pom zoo. nyhuv. Lub hom phiaj tseem ceeb ntawm kev lim dej yog kom txo cov concentration ntawm cov khib nyiab pov tseg hauv dej, ua kom cov dej pob tshab, thiab ua tau raws li cov kev cai ntawm cov dej tsis zoo.

Tshuaj tua kab mob
Cov dej lim dej uas tau lim dej yog raug rau kev kho tshuaj tua kab mob zaum kawg hauv lub tank tshuaj tua kab mob. Lub hom phiaj ntawm kev kho tshuaj tua kab mob yog kom ua tiav cov txiaj ntsig ntawm kev tshem tawm cov kab mob thiab ua kom muaj kev nyab xeeb ntawm cov dej zoo los ntawm kev tua cov kab mob xws li cov kab mob thiab cov kab mob hauv cov dej khib nyiab.
Cov tshuaj tua kab mob hauv lub pas dej tua kab mob feem ntau yog siv cov roj chlorine, sodium hypochlorite, ozone thiab lwm yam tshuaj tua kab mob xws li kab mob thiab kab mob hauv cov dej khib nyiab los ntawm kev siv tshuaj lom neeg. Cov dej khib nyiab tom qab kev kho tshuaj tua kab mob ua tau raws li cov qauv kev pov tseg uas tau teev tseg los ntawm lub xeev thiab tuaj yeem tso tawm kom nyab xeeb rau hauv ib puag ncig dej.

Kev kho Sludge
Cov sludge generated thaum cov txheej txheem kho yuav tsum tau kho ntxiv kom tau raws li qhov yuav tsum tau ntawm kev kho mob tsis zoo. Cov sludge feem ntau yog dehydrated los ntawm lub lim xovxwm, thiab ces muab pov tseg los ntawm incineration, landfill, thiab lwm yam.

Feem ntau, cov txheej txheem kho cov dej khib nyiab los ntawm cov chaw tsim khoom qab zib molasses yuav tsum muaj ntau txoj hauv kev, los ntawm ntau cov kauj ruam xws li pretreatment, biochemical treatment, sedimentation treatment, filtration treatment and disinfection treatment, kho cov dej khib nyiab rau hauv cov dej zoo uas ua tau raws li cov qauv tso tawm, thiab tsis muaj teeb meem pov tseg ntawm sludge generated thaum lub sij hawm kho. Kev sib koom tes thiab kev koom tes ntawm cov txheej txheem no tuaj yeem txo qhov concentration ntawm cov pa phem hauv cov dej khib nyiab thiab tiv thaiv ib puag ncig.

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