{{0 {}}}}}}}}} Kev Kho Mob Qha: COD / L, Nitrite Nitrogen thiab Nitrite Nitrogen thiab Nitrite Nitrogen thiab Nitrite Nitrogen thiab Nitrite Nitrogen thiab Nitrite Nitrogen. Nitrogen 120 mg / u, COD / L, tab sis nitrite nitrogen yog siab npaum li 120mg / l {{{{12} {{12} {{12} {{{12} {{{12} {{12} {{12} {{12} {{12} {{12} {{12} {{12} {{12} {{{12} {{12} {{{{12} {{{12} {{12} . puas yog qhov qub no? Qhov twg cov nitrogen nyob qhov twg? Yuav piav qhia nws li cas? Teb: Yog tias cov ntaub ntawv ntsuas kom raug, tsuas yog ib qho kev piav qhia, thaum cov nitrogen muaj tas li yog ib txwm nitrogen yog ib txwm nitrogen yog nyob rau hauv ib txwm muaj kev mob, thiab nitrate nitrogen tsis tuaj yeem denitrified thiab accumulates nyob rau hauv ntau ntau ntau {15}
{{0 136. Q:}.}}}}} Kuv ib txwm muaj flocculation tshwm sim. Tom qab ntawd, cov Wastewater confration tau mus txog {{} mg / u, thiab cov neeg kho mob tau pib loj heev, thiab tus nqi sib cais tsis zoo . thaum nws mus txog ib nrab ntawm lub peev xwm tsim tau, lub tuam txhab tau thov kom cov dej ntws tawm, tab sis kev sib koom tes nrog cov khoom siv uas tau ua tiav, tab sis kev sib koom tes nrog cov khoom siv uas tau ua tiav, tab sis kev sib koom tes nrog cov neeg ua haujlwm tsis zoo, thiab kev kuaj tsis tau rau Txais Kev Txais . Tom qab ntawd, kev tsim cov dej ntws tawm ntawm cov dej ntws tawm, tab sis cov pa roj av tau nce tawm, tab sis cov roj av tsis zoo, tab sis cov pa roj hmab txaus, tab sis}}}} Txawm hais tias tsis muaj dej, Qhov ntau ntawm sludge yuav ntab thiab yeej tsis dab {{} Cov tshwm sim no tau tshwm sim ntau tshaj li kaum hnub. Dab tsi yog mus? Teb: Nws yuav yog tias lub nra loj dhau lawm, uas tau ncua cov khoom siv tsis txaus ntseeg, nws yog qhov ua ntej ua ntej rau cov dej phwj tuaj, yog li kom ua ntej cov kev kho mob.
{137.}}}}} Tus nqi tshem tawm ntawm Molasses Al - L, cov teeb meem tam sim no, feem ntau yog vim tias muaj ntau yam kev nyuaj siab Inoculated sludge (tsis-granular sludge), thiab txom nyem biodegradity {}} Kuv xav tias theem tseem ceeb yog qhov tseeb. puas yog qhov tseeb no? Teb: Ob cov lus qhia yog muab rau kev siv: (1) Lub sijhawm acidification yuav tsum tsis txhob ntev dhau, yog li zam dhau qhov tsawg dhau thiab cuam tshuam rau tom qab biochemical kev kho; (2) Thaum kev ua qoob xaim pob zeb sludge, tus nqi tsim nyog ntawm cov carbon kom ua tau ntxiv rau kev tsim cov xwm txheej ntawm granular sludge {} Tsuas yog siv rau .
{{0138. Lus Nug: Dab tsi yuav tsum tau them nyiaj rau hauv kev ua haujlwm ntawm cov txheej txheem phosphorus thiab kev tswj hwm ntawm Denitrifying Bosphorus Sau cov kab mob (DPB)? Teb: Muaj ntau txoj cai ua haujlwm thiab tswj hwm {}}}}}} pa oxygen ib puag ncig, thaj chaw phosphorus, cuam tshuam rau phosphorus Tso . Qee zaum cov pa roj oxygen nyob rau hauv lub aerobic cheeb tsam {}} mud txheej qhov siab nyob rau hauv theem ob Kev ua kom pom tseeb rau lub tank yuav tsum tau tswj hwm .} Qhov kev xav tau kawg ntawm lub sijhawm, lub kaw lus yuav tsis rov qab ua raws li cov txheej txheem ua raws li cov txheej txheem xws li, nws tsis tau tawm ntawm cov txheej txheem ntawm cov txheej txheem, yog tias nws tsis tau muab tso rau hauv cov txheej txheem ntawm cov txheej txheem.
{139.} Lus Nug: Muaj ib qho kev lag luam ntawm no uas yog kev siv lub tank kaub dej ua ke thiab cov txiv qaub. Polyacrylamide tau ntxiv rau lub tank flotation tank {8} ion cov ntsiab lus ntawm cov ntsiab lus effluent yog qhov txo nws cov ntsiab lus, tus nqi tsis tuaj yeem ua siab dhau? Teb: Tsis txhob siv flotation .} Koj tuaj yeem ntxiv cov kab mob ntawm Aerobic, thiab tuaj yeem sim nws .
{{0140. Q: Hauv kev sib raug zoo ntawm BOD thiab COD ntau dua li lub cev, thiab tus cim rho tawm cov organic qhov teeb meem? A: Qhov no tsis yog muaj tseeb, vim tias Cod= Nws siv sijhawm li ntawm 20 degrees yog ze rau codb) .
141. Q: Lub nroog uas muaj nyiaj txiag, {{{{{{{{} Cov txheej txheem twg yog qhov tsim nyog? A: Nws raug nquahu kom siv lub priochemical + nuch} Tus swb ntawm ib txwm muaj kev kho mob. Qhov sib txawv ntawm cov khoom siv rwb thaiv tsev thiab feem ntau diatom av yog tias Nws muaj cov txiaj ntsig hluav taws xob muaj zog los ntawm kev kho mob tshwj xeeb, thiab thaj chaw tshwj xeeb yog nce heev.
142. Question: This sewage treatment plant is for pulp and paper wastewater treatment. It uses the activated sludge complete mixing method. Recently, the SV of the sludge has dropped to 5-6%. There are only bellworms and rotifers in the sludge, and the treatment effect is Nruab nrab .} rau ib lub sijhawm, f / m Lossis lwm yam laj thawj? Answer: The F/M is not too low. From the biological perspective, it does not look like poisoning, because bellworms are very sensitive to toxic substances. It may be due to the high water temperature. Generally speaking, water temperature exceeding 38 degrees will have a certain impact on the activity of aerobic microorganisms.
{{0 {}}} nug: Kuv tam sim no debugging sbr los kho cov txiv ntoo uas lawv tsis tuaj yeem ntsib cov qauv {} Cov dej kub nyob ib puag ncig {{4 4}} degrees . Nws puas yog tshwm sim los ntawm kev kub dhau dhau? Kuv yuav ua li cas? Teb: Lub sludge tau qhia cov cim ntawm kev laus. Qhov laj thawj tseem ceeb yog qhov ua rau mob plab me me Aeration lub sijhawm txhais tau tias txo lub sijhawm ntawm cov tshuaj tiv thaiv kev ua haujlwm tau raug muab hloov ua haujlwm, nws yuav tsum tau hloov pauv mus rau qhov kev txwv Aereration.
{{0 {}}} Lus Nug: Lub pov tseg muaj Acrylolonitrile, tom qab nws tau hloov pauv mus rau Ammonia nitrogen, thiab sab laj tau ntxiv rau ammonia nitrogen . Tsis muaj cov ntaub ntawv theoretical thiab sim ua ntej. nws tuaj yeem piav qhia? Teb: Qhov xwm txheej no yog ib txwm thiab yog tshwm sim los ntawm ammonia {}} Cov txheej txheem kho mob zoo li no tau ua tiav cov txheej txheem ammonia no yuav tsum tau ua tiav cov qauv, lub sijhawm ua txhaum cai yuav tsum tau ua nce .
{{0 {{}} Q: Yuav ua li cas rov qab rau lub sludge los ntawm ob lub tso zis ob hauv peb cov oxidation ditches? Muaj cov chav dej sludge chav rau ob chav tso zis hauv theem nrab.} Yuav ua li cas tuaj yeem xa rov qab mus rau peb ntu Oxidation? A: Ib qho chaw xa khoom xa tawm tau teeb tsa ntawm lub taub dej loj thiab muab faib ua peb lub txim siab rov qab los ntawm kev xa mus rau txhua tus oxidation ditch .
{{0 {{}} Q: Lub cev muaj txiaj ntsig zoo li 6000 mg / l) kom tau raws li cov neeg poob siab? Yuav muaj teeb meem dab tsi? Puas muaj txoj hauv kev zoo dua kom tsis txhob muaj teeb meem? A: Xws li lub siab siab yog tsis haum rau kev kho mob aerobic ncaj qha} Nws yuav tsum tau kho lub sijhawm ua ntej
{147. nug: Kuv tab tom ua haujlwm ntawm Ausacultewater Kev Kho Mob Siv Tau Ua raws li nram no:}}}} mg / l, tag nrho nitrogen =200 mg / l, ammonia nitrogen {}}} cov qauv dej tsis haum: effluent tseev kom muaj cod<300 mg/L, BOD<150 mg/L, SS<200 mg/L, total nitrogen<40 mg/L, ammonia nitrogen<25 mg/L. I would like to ask about the following water quality conditions: (1) If BOD is not reduced after BOD<150 to save engineering investment, can total nitrogen be removed? (2) Are the end points of the reaction to nitrogen in UASB NH4+ and NH3? Answer: The conversion of nitrogen by UASB is mainly the ammoniation of organic nitrogen, so after UASB, ammoniation, nitrification and denitrification must continue. It is recommended to use A/0 contact oxidation after UASB.
{{0 {}}} nug: Tus cim ntawm piggy dej yog 10,2 mg / l} Kuv thiab ammonia nitrogen yog 150 mg / l. Sau lo lus teb / hnub ruaj khov Dab tsi ntawm cov nroj tsuag tuaj yeem cog thaum lub Rau Hli thaum ntxov? Puas yog qhov effluent ncav cuag thawj qib? Cov lus teb: ib lub pas dej ob-stigilization tuaj yeem siv, nrog thawj theem ntawm lub pas dej ib txwm), thiab nws feem ntau tsis yog ntses pas dej . Txawm li cas los xij, Xws li tus txheej txheem tseem tsis tuaj yeem kho ammonia nitrogen rau tus qauv .
{{0 149. Q: Kuv ua haujlwm ntawm kev kho tshuaj lom neeg pov tseg . qhov teeb meem tseem ceeb yog: kev txom nyem biodegradability; Yooj yim hloov xim (loj dua li zas xim wastewater); thiab cov dej khib nyiab yog cov xeb zoo, nrog tus nqi ntawm tus lej ntawm 2; COD tom qab biodegradation yog qee zaum siab thiab qee zaum qis, thiab cov tshuaj muaj tsw qab kuj tseem muaj cov tshuaj nrog cov kab ke benzene. Txoj kev yuav tsum tau siv li cas? A: Nws yuav tsum tau tsim tsa tom qab pretreaticment . Qhov pretreatment ectrolysis + kev sib tshuam thiab lwm txoj kev.
{{0 {}} Q: Peb cov nroj tsuag yog qhov loj-teev tsheb huv {}}}}}}}}}}}}}}}}}}}} ecss ntawm oxidation ditch tau ruaj khov nyob rau 4000-5000 mg / l . Vim li cas qhov no? A: Nws yuav tshwm sim los ntawm kev tawm tsam ntawm qhov sludge nws tus kheej, uas ua rau ib nrab sludge defergculation {}} Koj puas yuav tsum tau ua kom tsawg .
151. Q: Muaj lub peev txheej lim dej kom zoo dua li no. Cov dej phwj tuaj yeem ua rau muaj peev xwm txhim kho lub peev xwm tsim hluav taws xob tsis muaj peev xwm hloov kho lub zog ua haujlwm A: Cov kev ntsuas hauv qab no yog rau kev siv: (1) teeb tsa qee qhov kev ua haujlwm ywj siab hauv lub tank thiab siv cov av nkos-ua ke ua ke cov txheej txheem; (2) Hloov cov yeeb nkab perforated nrog lub microporous hose thiab cov pa roj carbon mon} Nyob rau hauv txoj kev Aperation tuaj yeem nce ntau tshaj li ob peb.
{{0 {}} Q: Lub cim nyob rau hauv lub Aerer Tank tau txais kev cuam tshuam nyuaj, thiab muaj ntau qhov sludge nyob rau hauv lub pas dej tsis siv dab tsi} Kuv yuav ua li cas? A: Koj tuaj yeem siv cov qauv kev sib txuam los tawm qee qhov sludge yog tsawg heev, nws yuav tsis cuam tshuam yog tsis tso tawm .
{{0 {} Q: Txoj kev sib che oxidation rau kev kho cov dej khib nyiab uas yuav tsum tau ua rau lub cev tsis zoo yuav tsum tau ua rau lub cev tsis zoo Yog tias tsis yog, yuav ua li cas yuav tsum tau ua? A: Tshem tawm ntawm Cod thiab lub hauv los ntawm hydrolysis thiab acidification yog ntau dhau, yog lwm txoj kev tuaj yeem siv rau pretreatic {}}
{{0154. Q: Yuav ua li cas txiav txim siab tus nqi ntawm cov kab mob me hauv kev tiv tauj oxidation aeration a Cov tsoos ua kom muaj kev cuam tshuam sludge txoj kev yog qhia los ntawm sludge concentration (MLSS), uas tuaj yeem qhia txog kev sib cuag oxidation kev sib tham (sv30). Cov pa Aeration Aeration Aeration. Qee tus neeg hais tias qhov tuab ntawm biofilm yuav tsum tau pom . Dab tsi yog tus qauv rau tuab? A: Nws tsis yooj yim sua kom ntsuas cov nyiaj biofilm ib qho kev ua haujlwm me me, tswj hwm cov kev ua haujlwm me me, thiab tus nqi ntawm lub biofilation yog ib qho ntawm cov yuam sij hauv kev ua haujlwm kev tswj hwm .} Yog cov yeeb yaj kiab yog qhov zoo tshaj plaws rau ntawm lub pas dej?
{{0155. Q: Hauv qee cov txheej txheem A / O, ntu yog ib ntu anaerobic {1} Vim li cas tseem muaj huab cua cua sov? A: Ntu ib qho nruab nrog cov yeeb nkab ationer, uas tuaj yeem siv cov khoom siv sib xyaw ua ke, txawm hais tias ib feem yuav tsum muaj anoxic, txawm hais tias anoxic, ib qho me me ntawm aeration (ua<0.5mg/L) is no problem.
{{0156. Q: Hauv Anaerobic + Aerobic kev kho, yog tias tseem muaj ntau ntawm cov leeg sulfur, nws tuaj yeem tshem tawm li cas? A: Yog tias tseem muaj ntau ntau ntawm hydrogen sulfide tom qab kev kho mob anaerobic, nws txhais tau hais tias qhov kev tawm tsam anaerobic, thiab cov tshuaj tiv thaiv yuav tsum tau tswj .
{{0 {}} Q: Lub tank thib ob yog qhov kev rov qab los ntawm OxiSetation Ditch Inlet thiab lub limtiam hluav taws xob . Cov chaw tsim tshuaj paus kev siv lub tshuab ua kom zoo nkauj tuaj yeem mus txog {} g /} {8} nws yog txoj cai? A: Qhov no tsis tsim nyog! Cov cuab yeej nrog kev ua tsis tau zoo rau kev ua tau zoo yog tsis haum rau txhua lub lim tiam thiab lub limtiam tawm ntawm lub limtiam, thiab lub lim dej sib dhos kom tsis txaus siab rau lub tshuab
{{0158. Q: {{1} Txoj Haujlwm Tsis Txaus Siab, teeb meem? Ua lub ammoniation thiab nitrification ntawm organic nitrogen taug kev tib lub sijhawm, thiab ammongiation yuav tsum yog ib co nitrification? Puas muaj lwm yam uas cuam tshuam nitrification? A: Cov txheej txheem ammoniation ntawm nitrogen-muaj cov txheej txheem ntawm nitrication tsuas yog pib thaum cov txheej txheem nitrification tuaj yeem pib thaum ntxov ntawm cov theem thaum ntxov ntawm nitricification txheej txheem, thiab ob qho txheej txheem yuav caij rau ib lub sijhawm {{}}}}}}}} Cov khoom siv tsawg heev, tab sis txawm tias tus txheej txheem ammoniation yuav tsis ua tiav . ntawm qhov koj hais, lub thauj khoom yuav tsum tau zoo, thiab nws tseem yog phosphorus tsis muaj.