Qho so
Qhov kub thiab txias lub luag haujlwm tseem ceeb hauv kev txhais cov txheej txheem Biochemical thiab kev ntsuas ntawm cov txheej txheem Biochemical thiab txhua yam kev coj ua kev txiav txim raws sij hawm ntawm lub system ua haujlwm thiab kev tswj hwm.
Kub zoo heev cuam tshuam rau cov kev ua haujlwm ntawm cov kab mob me me hauv kev ua haujlwm sludge (facebook {0} {.
Ntau hom microorganisms loj hlob nyob rau hauv qhov kub thiab txias tshaj plaws uas tau muab faib ua peb pawg: Mesophilic, Thermophilic thiab thermophilic .
Qhov kev loj hlob kub ntawm mesophilic microorganisms yog 20℃{degree rau lawv txoj kev loj hlob kub rau lawv txoj kev loj hlob thiab luam tawm yog 20℃~ 37 DEGREE . Thaum qhov kub tshaj plaws kev nce qib kev loj hlob, thiab tom qab ntawd lawv yuav ua rau lawv qhov kev tshaj tawm sai sai, tab sis lawv tseem yuav ua rau lawv qhov kev loj hlob sai sai Kev kho me me Methanogens nyob nruab nrab ntawm 20 degree, thiab qhov kub thiab txias {degree thiab 50℃{19} {19}
PH
Cov kab mob sib txawv nyias muaj nyias qhov sib txawv {{} {{{{{{{{{{{{{{{{6.5-7.5); Bacillus sulfoxidans nyiam cov acidic ib puag ncig acidic ib puag ncig, nrog rau qhov zoo tshaj plaws pH ntawm 3, thiab tseem tuaj yeem nyob hauv ib puag ncig nrog pH ntawm 1. 5; Poov xab thiab pwm kom muaj kev nyob hauv cov kua qaub lossis me ntsis acidic ib puag ncig 3.0-6.0 nws yog ib qho tseem ceeb heev los tswj cov txheej txheem kev kho kom zoo.
Piv txwv li, thaum qhib kev ua kom zoo nkauj yog siv los kho cov roj ntsha tsis muaj zog, thiab cov tshuaj tiv thaiv kab mob qis dua rau 9,}}}} Py tus nqi tam sim ntawd txo qis, lub zog ua pa dej sib xyaw ua kom muaj zog, nws yuav cuam tshuam nrog kev ua kom muaj zog, nws yuav cuam tshuam nrog kev ua kom muaj zog, nws yuav ua rau muaj kev phom sij hauv lub zog, nws yuav ua rau muaj kev phom sij hauv lub zog, nws yuav ua rau muaj kev phom sij hauv lub nkoj, nws yuav ua rau muaj kev phom sij Rov ua cov reactor tsis muaj txiaj ntsig, vim tias kev hloov pauv hauv p yuav ua rau cov kev hloov pauv ntawm tes, yog li cuam tshuam ntawm cov as-ham thiab cov kev ua ntawm cov enzymes hauv cov metabolial hauv microbial hauv microbial metabolism.
Tshuaj lom neeg cov pa xav tau (COD)
Cov tshuaj lom cov pa oxygen yog qhov ntau ntawm oxidant noj thaum muaj oxiding organygen xav tau nyob rau hauv dej orgalacants yog cov poov tshuaj dichromate thiab cov poov tshuaj Tso cai rau kev siv cov poov tshuaj permanganate tau hu ua tus lej ntawm cov {{}} Tus lej ntsuas yog qhov muaj peev xwm hu ua cov tshuaj} Yog tias qhov ntsuas ntawm cov {{ kev sib raug zoo ntawm kev thov tshuaj pa oxygen thov kom paub tias yog cov pa roj oxygen thov tau, qhov sib txawv ntawm cov olassgen xav tau ntawm cov oliSromate thiab tsis muaj kev hais tawm ntawm cov kab mob olasromate thiab tsis muaj kev hais tawm los ntawm aerobic microorganisms.
Kev kuaj sim thiab ntsuas ntawm COD yog qhov tseem ceeb ntawm kev kho mob thiab qhov hluav taws xob ntawm ib qho inlet dej thiab zam kev hloov pauv thiab cuam tshuam rau lub kaw lus; Ntawm qhov tod tes, cov kev kho mob nyhuv thiab ua haujlwm ntawm chav kho mob tuaj yeem nkag siab los ntawm kev hloov pauv ntawm cov inlet thiab qhov hluav taws xob ua ntej thiab tom qab txhua chav kho mob .
Biophase ntawm kev ua haujlwm sludge
Qhov kev soj ntsuam ntawm lub biophase ntawm actudge ua lub luag haujlwm tseem ceeb ntawm kev kho mob ntawm cov kab mob microbial xws li cov kab mob microbial, fungi, protozoa thiab metazoa. tus kab mob muaj cov kab mob siab, thiab cov kab mob ua kom muaj teeb meem pub dawb, thiab cov metazoa tsuas yog pub rau protozoa.
Lub biophase ntawm filamentous fungi thiab Metazoa tuaj yeem pom tau tias muaj kev txiav txim siab thiab muaj nuj nqis} Ntxiv nrog rau cov qauv macroscopic ntawm kev ua haujlwm sludge, lub microchopic biological cov ntsuas ntawm sludge, tuaj yeem pom siv lub microsical tsom iav tiag.
Kev soj ntsuam theem ntawm cov roj ntsha muaj ob ntu: ib qho yog kom pom cov kab mob uas tsis muaj txiaj ntsig ntawm cov kab mob uas tsis muaj txiaj ntsig los ntawm kev saib xyuas cov kab mob uas tsis pom tseeb Saib xyuas tus naj npawb ntawm filamentous kab mob hauv kev ua kom zoo nkauj ntawm kev ua kom zoo dua los ntawm kev ntsuas cov kab mob filamentous .
1.}}}}} Lub Sij Hawm Kev Ua Si, Thaum Muaj Ntau Cov Kab Hluav Taws Xob kuj heev nyuaj .} los ntawm cov kab mob me, Nematellas, thiab ntau npaum li cas yog cov kev faib tawm thiab ntau npaum li cas yog nyob ntawm kev ua haujlwm ntawm lub cov txheej txheem .
{{02.}} activament້ນ cov kab mob filammoo, qhov ntev dua cov kab mob ntawm cov txheej txheem. nws yuav tsum tau ntxiv tias muaj roj ntsha Phase kev soj ntsuam tsuas yog muaj cov qauv zoo. nws tsuas yog siv cov ntaub ntawv txuas ntxiv rau cov kev ua haujlwm, thiab siv cov kev cai ntawm qib roj ntsha
MLSS, MLVSS, SRT thiab lwm yam kev ntsuas lub cev sludge thiab tshuaj lom neeg
1. sv30 (sludge daws piv rau cov kua mis hauv lub tshuab ua kua rau hauv lub cev ua kua hauv lub cev ua kua rau 30 feeb, feem ntau qhia ua sv 30.
SV30 yog qhov ntsuas ntsuas ntsuas qhov kev ua tau zoo thiab kev ua kom zoo dua ntawm kev ua haujlwm sludge yog 1500 ~ 4000mg / l} sv30 feem ntau nyob rau hauv ntau 15% ~ 30% .
2. svi30 (Ntim Index ntawm Sludge lub tog raj kheej ua kua nyob rau hauv lub taub hau 100}}} Txoj kev sib raug zoo hauv qab no tshwm sim ntawm Svi30 thiab Sv30: SVI30= SV30/MLSS×100. The settling ratio SV is related to the concentration of sludge. For sludge with the same settling performance, when the MLSS is larger, the SV is also larger; Thaum cov MLSS cov kua hauv lub tshuaj ua pa hauv lub taub dej yog qhov cuam tshuam nrog cov ntaub ntawv ntawm cov ntaub ntawv ntawm cov ntaub ntawv, thiab cov kev ntsuas ntawm cov ntaub ntawv sludge hauv lub tsev muag khoom theem nrab hauv tank..
SVI yog ob qho ntsuas ntsuas rau ntsuas qhov kev ua tau zoo ntawm sludge {}}}}}}}}}}}}} Tus nqi tshaj tawm, tab sis qhov zoo dua adsorption kev ua tau zoo; Hloov siab, tus me dua ntawm SVI, qhov zoo dua qhov kev ua tau zoo, nws yog feem ntau yog qhov ua tau zoo tshaj plaws {muaj qhov zoo tshaj plaws ntawm kev txhim kho ntawm equluent {}}
{3. mlss (sib xyaw ua ke hauv MLSS, thiab cov kev ua haujlwm ntawm cov kab mob ua ke, thiab ua kom muaj kev tiv thaiv kab mob rau lub aferation, thiab ua kom muaj kev tiv thaiv kab mob rau lub aferation, thiab ua kom muaj kev tiv thaiv kab mob rau lub aferation, thiab ua kom muaj kev tiv thaiv kab mob rau lub aferation, thiab ua kom muaj kev tiv thaiv kab mob rau lub aferation, thiab ua kom muaj kev tiv thaiv kab mob afferation thiab ua haujlwm tseem ceeb rau kev ua haujlwm thiab kev tswj .
{{0 {0} mlvss (sib xyaw ua ke ntawm cov kab mob hauv cov kab mob organic, uas tuaj yeem yog sawv cev ntawm cov kab mob hauv cov kab mob activ activs້ນ
{{05. srt (sludge lub hnub nyoog lossis lub sijhawm nyob nruab nrab ntawm kev ua haujlwm qis hauv tag nrho cov kab ke, feem ntau qhia raws li SRT:
Srt =}}} TAG NRHO COV KHWV TAU LOS NTAWM LUB HOM PHIAJ LOS NTAWM LUB CAIJ NTUJ LOS NTAWM LUB CAIJ NTUJ NO MC yog tus nqi ntawm sludge nyob rau hauv theem nrab detimation tank; Mr yog tus nqi ntawm sludge hauv kev xa rov qab; MW yog tus nqi ntawm residual sludge tso tawm txhua txhua hnub; Kuv yog tus nqi ntawm sludge nqa tawm ntawm lub effluent ntawm lub turimary shoulentation tank txhua hnub .
As-ham
Cov as-ham ua lub luag haujlwm tseem ceeb hauv kev lag luam wantients, feem ntau {} Raws li cov neeg muaj kuab lom neeg, feem ntau yuav tsum tau txuas ntxiv kom ntseeg tau tias hais tias muaj txaus nitrogen thiab phosphorus nyob rau hauv lub wastewater .
BOD: N: P {= 100}} Kuv tsis muaj kev ua tau zoo rau cov khoom lag luam ferobic, tsis muaj nitrogen ua rau nws tsis yooj yim rau cov hlwb tshiab rau daim ntawv, thaum cov laus hlwb txuas ntxiv tshem tawm cov tshuaj uas tsis muaj zog, cov kab mob hauv qab, uas muaj cov flochly, uas muaj cov flophorus uas muaj kev sib tw,
Nyob rau hauv ntau cov xwm txheej, Nitrogen ntxiv rau lub pov tseg hauv daim ntawv ntawm phosphorus teeb meem nyob rau hauv daim ntawv ntawm phosphorus muaj teeb meem hauv dej thiab phosphorater.} yuav tau siv ammonia nitrogen . Thaum kho cov dej khib nyiab, yog tias muaj kev xav tau ntawm cov kab mob nitrogan, nws tsis tuaj yeem ua tau los ntxiv cov kab mob nitrogan, nws tsis tuaj yeem ua tau los ntxiv cov kab mob nitrogen, nws tsis tuaj yeem ua tau los ntxiv cov kab mob nitrogen, nws tsis tuaj yeem ua tau los ntxiv cov kab mob nitrogen, nws tsis tuaj yeem ua tau los ntxiv cov kab mob nitrogen ntawm cov kab mob nitrogen, nws tsis tuaj yeem ua tau los ntxiv cov kab mob nitrogen ntawm cov kab mob nitrogen. phosphorus .}} kev muaj wastewater feem ntau yuav tsum tau txhawb nrog phosphorus ntsiab, sodium phosphate, thiab lwm yam}
Yaj oxygen (ua)
Kev sim ntawm kev ua lub luag haujlwm tseem ceeb hauv cov txheej txheem xyoob ntoo muaj qhov ua kom muaj cov tshuaj tiv thaiv kab mob siab, muaj ntau yam kev tshuaj tiv thaiv thiab kev kho mob biochemical Ntxim .
DUAB OXYGEN yog ib qho tseem ceeb cuam tshuam rau cov nyhuv ntawm cov pa oxygen tsis txaus, thiab cov kev ua kom tsis txaus, thiab cov kev ua tsis tau zoo nyob rau hauv tib lub sijhawm, cov kab mob methomy, thiab cov kab mob metabolen tsis txaus, thiab cov kab mob metabolen tsis txaus, thiab kev ua haujlwm tsis txaus, thiab cov kab mob metabolic, thiab cov kab mob metabolen yog tsis txaus, cov kab mob metholism tau cuam tshuam, thiab cov kab mob metabolic tsis txaus, thiab cov kab mob medaboled tsis txaus, thiab cov kab mob metabolen yog tsis txaus, cov kab mob metholism tau cuam tshuam, thiab cov kab mob metabolic tsis txaus, thiab cov kab mob medabolic tsis txaus, thiab cov kab mob metabolen yog qhov tsis txaus ntseeg, cov kab mob medabolic tau cuam tshuam, thiab cov kab mob metabolic tsis txaus, thiab cov kab mob medabolic tsis txaus, thiab cov kev ua kom tsis txaus ntseeg oxygen will emerge, affecting the normal biochemical reaction process and causing the treatment efficiency to decrease. The dissolved oxygen of aerobic biological treatment is generally 2~4mg/L. In this case, the structure of activated sludge or biofilm is normal, and the sedimentation and flocculation performance are good. Excessive oxygen supply Yuav nkim zog, thiab cov kev ua yeeb yam metabolic yuav ua kom muaj cov pa roj carbon monoxide uas tsis muaj cov tshuaj tua hluav taws xob, ua rau muaj cov tshuaj tua kab mob Txhawm rau kom ntseeg tau tias ib txwm muaj kev loj hlob ntawm aerobic microorganisms, thiab kom ua tiav cov txiaj ntsig zoo dua.