Muaj quav dej txhawv yog muaj ntau haiv neeg thiab ua kom muaj kev sib xyaw, suav nrog:
Kev siv dej kom muaj teeb meem: xws li cov ntaub ntawv sau qoob, chiv keeb dej thiab cov dej ua ke ntawm cov tshuaj pov tseg, cov khoom noj khoom haus dej zam, khoom noj khoom haus Wastewater, thiab lwm yam.
Muaj quav tshuaj Wastewater muaj cov teeb meem inorganic: suav nrog ntsev kom huv, acid thiab alkali kev lag luam, tshuaj lom neeg cov tshuaj thiab lwm yam khoom lag luam.
Muaj pov tseg dej tsaws tsag: xws li tshuaj quav yeeb tshuaj, tshuaj tua dej, luam ntawv thiab zas dej thiab lwm yam.
Cov yam ntxwv ntawm Desulfurization Wastewater los ntawm Coal-Rho Tawm Fais Fab
1. Cov lej sib xyaw
Muaj cov hlau hnyav xws li mercury thiab hmoov txhuas.
2. Heev corrosive
Ph 4-6
3. Kev Phuam Phuam
Calcium carbonate thiab lwm yam tshuab teev> 3%
4. Kho Txoj Kev 1:
Desulfurization Wastewater → WasterSewater Tank → WASTVATER HLAU → Floquation Tank → Cov Hluav Taws Xob
Kev kho cov desulfurater tau suav nrog peb ntu: Kev kho kom zoo, noj tshuaj, thiab kho kom zoo nkauj.
Lub chaw tso tsheb hlau nchuav yog mas muaj cov tso tsheb hlau luam, cov twj tso tsheb hlau, cov kiv cua, kiv cua, dehydrators thiab lwm yam khoom siv. Ntxiv rau qhov ntau ntawm cl- thiab mg 2+, thiab lwm yam}, hg 2+, hg 2+
5. Kev Kho Mob 2:
Desulfurization Wastewater → tank hydroduration membrane (ntxiv calcium) → [phcai tshem tawm 6-9 → [DTR [DTRO membrane (dechlorination tus nqi> 95%) → kev tawm mus rau tus qauv
Cov yam ntxwv ntawm cov tshuaj lom neeg quav tshuaj
1. Cov lej sib xyaw
Muaj ntau yam organic thiab inorganic tshuaj, xws li cov duab uas muaj ntxhiab, cov hlau hnyav, thiab lwm yam .;
2. High toxicity
Feem ntau muaj cov tshuaj lom thiab cov tshuaj phom sij, uas muaj kev phom sij heev rau cov muaj sia
3. Cov kev hloov pauv loj hauv Ph
Tej zaum yuav muaj zog acidic lossis alkaline; Ntau yam nyuaj-rau-degrade cov tshuaj, thiab qee cov tshuaj organic yog qhov nyuaj rau kev txwv los ntawm cov txheej txheem pa;
3. Ntau txoj kev nyuaj-rau-degrade cov tshuaj
Qee cov organic yog qhov nyuaj rau kev txwv los ntawm cov txheej txheem pa; Cov tshuaj lim dej siab, qee cov tshuaj khib nyiab muaj cov ntsev kom ntau.
4. Kho Txoj Kev 1:
Thawj txoj kev kho mob tsuas yog cais cov khib nyiab, roj hmab, roj ntab, thiab siv tau cov dej kom huv, thiab muaj txiaj ntsig ntuj kom haum, ntab thiab roj sib cais.
Txoj kev kho mob ob feem ntau tshem tawm cov tshuaj yeeb egents thiab qee qhov kev thov biochgen xav tau thiab qee qhov kev thov muaj tshuaj lom neeg. Ib qho kev txiav txim siab ntawm cov cod tseem nyob hauv cov dej khib nyiab tom qab kho mob, qee zaum nrog cov qauv muaj ntxhiab, lossis vim yog txoj kev kho mob huab cua kev ua kom huv si.
TERTIARY Kev kho yog mas kom tshem tawm cov organic paug thiab soluble inorganic kuab paug uas nyuaj rau biodegrade nyob rau hauv wastewater. Cov hau kev feem ntau suav nrog cov carbon adsorption thiab ozone oxidation, thiab ion txauv thiab membrane sib cais thev naus laus zis tseem tuaj yeem siv.
5. Kev Kho Mob 2:
Pretreatment: Advanced Oxidation: Fenton reagent los kho cov lej ntawm cov cyanide:}}}}
Kev Kho Mob Biological: ICAerobic cov txheej txheem: IC reactor, aerobic cov txheej txheem: MBBR Fille concentration {{0} g \/ l.
Cov yam ntxwv ntawm luam ntawv thiab tawg muaj neeg quav dej
1. Cov yam ntxwv tseem ceeb
Kev noj dej yog qhov loj, thiab dej khib nyiab tsim yog loj. Cov xim ua rau cov dej khib nyiab tshwm maub hauv cov xim, thiab cov siab chroma yog qhov nyuaj rau tshem tawm.
2. Kev Kho Mob Txoj Kev: Cov dej khib nyiab tuaj yeem rov ua dua tshiab thiab siv raws li cov yam ntxwv ntawm cov dej zoo.
Kev kho mob tsis muaj mob: kev kho mob lub cev, tshuaj lom neeg, kho tshuaj lom neeg, thiab lwm yam.
Kev Kho Mob Lub Cev
Adsorption cov ntaub ntawv: actonite, bentonite, xws li ya tshauv) lossis adsorbents (xws li mofs cov ntaub ntawv).
Muaj nuj nqi: tshem tawm cov zas xim molecules (tshwj xeeb tshaj yog cationic dyes) thiab qee cov hlau hnyav.
Membrane Sib Cais Tshuab
Hom: UltraFiltration (UF), nanofiltration (NF), thim rov qab osmosis (ro).
Daim ntawv thov: cuam tshuam ntawm macromolecular dyes (xws li nquag tuag), xws li ro reuse rov siv dua).
Coagulation \/ flotation txoj kev
Reagents: PAC (Polyaluminium chloride), pam (polyacrylamide), roj ntsev, thiab lwm yam.
Cov nyhuv: tshem tawm cov khib nyiab, colloidal thiab qee cov khoom siv hydrophobic tuag (xws li tawg ua luaj).
Kev Siv Tshuaj Kho Mob
Advanced Oxidation Technology (AOPs)
Ozone oxidation: ncaj qha oxidation ntawm chromophores (xws li -c {1}}}}}}}}}}}}}}
Electrochemical oxidation: mineralization ntawm nyuaj-rau-degrade organic teeb meem los ntawm cov tshuaj tiv thaiv electrode (xws li bdd electrode).
Txo Txoj Kev
Pes Tsawg-valent hlau (ZVI): Txo ntawm AZO Dyes (-T {2}} n- cleavage los tsim cov amino compounds).
Kev Kho Mob Biological
Kev Kho Mob Ntaus Aerobic
Kev Ua Haujlwm Sludge txoj kev: Lub hom phiaj ntawm yooj yim degradable organic teeb meem (xws li cov hmoov txhuv nplej siab (, tab sis cov nyhuv tsis zoo rau kev tuag.
Cov qauv biofilm (MBRBR): Tus neeg nqa khoom biofilm nce cov kab mob muaj ntau yam thiab ua siab ntev muaj cov tshuaj lom tsawg ntawm cov tshuaj lom neeg lom.
Kev Kho Mob Anaerobic
UASB \/ EGSB reactor: hydrolysis thiab kua qaub ntawm macromolecular cov organic teeb meem (xws li PVA slurry), txuas nrog methane ntau lawm.
Qhov tseem ceeb rau decolorization: azoredite secreted los ntawm Anaerobic cov kab mob txiav tawm cov zas xim chromople.
Composite Kab Racterial Teafor Technology
Cov Kab Mob Quav Ua Haujlwm: Dawb rot fungi (zais kev luag peroxidase), sphingomonas (quav yeeb quav tshuaj).
Daim Ntawv Thov: Rau kev tsim tawm cov tshuaj khib nyiab uas muaj PVA (polyvinyl cawv) thiab surfactants.
Cov yam ntxwv ntawm Cov Khoom Noj Khoom Haus
1. Cov yam ntxwv tseem ceeb
Cov khoom noj khoom haus muaj ntau yam ntawm cov khoom nyoos thiab cov khoom lag luam ntau yam. Tus nqi thiab kev ua kom zoo ntawm cov dej khov tshem tawm txawv heev; Cov ntsiab lus ntawm cov organic teeb meem thiab cov khib nyiab loj dua yog qhov siab thiab yooj yim rau kev ua tsis ncaj. Nws cov kev raug mob tseem ceeb yog EUUTHICATIC kev tuag lub cev, ua rau kev tuag ntawm cov tsiaj muaj tsiaj thiab ntses, ua rau cov khoom siv tsw, ua rau ib puag ncig dej tsw zoo thiab muaj kuab paug.
2. Kev Kho Mob:
Ntxiv rau qhov tsim nyog ua ntej ua ntej raws li cov yam ntxwv ntawm cov dej ua tau zoo, kev kho mob yog feem ntau pom zoo. Yog tias cov kev xav tau effluent zoo heev lossis cov ntsiab lus muaj roj ntsha hauv cov dej khib nyiab, lossis siv roj ntsha, lossis siv roj ntsha, lossis siv roj ntsha, lossis siv roj ntsha, lossis siv roj ntsha, lossis siv roj ntsha, lossis siv roj ntsha ua ke
Cov yam ntxwv ntawm zas ntau lawm Wastewater
1. Cov yam ntxwv tseem ceeb
Muaj cov tshuaj xws li cov kua qaub, cov ntsev, hilogens, thiab lawv cov cyanide, thiab lawv cov khoom siv roj ntsha li mercury, thiab chromium. Cov tshuab hluav taws xob no yog qhov nyuaj hauv kev sib xyaw, lom, thiab nyuaj rau kev kho.
2. Txoj kev kho mob:
Cov kev kho tsim nyog tsim nyog yuav tsum raug xaiv raws li cov yam ntxwv ntawm chaw pov tseg thiab nws txoj kev tawm tsam. Piv txwv, kev sib koom ua ke thiab kev foob tuaj yeem siv tau los tshem tawm cov khoom siv impurities thiab inorganic teeb meem; tshuaj lom neeg oxidation, txoj kev lom neeg thiab rov qab osmosis yog siv los tshem tawm cov teeb meem organic thiab cov tshuaj lom; Decolorization feem ntau tuaj yeem lees txais tus txheej txheem uas muaj kev sib cais thiab kev hloov pauv, thiab ion txauv pauv tuaj yeem siv cov hlau hnyav.
Cov yam ntxwv ntawm cov tshuaj tua WATEYWATER
1. Cov yam ntxwv tseem ceeb
Muaj ntau ntau yam tshuaj tua kab, thiab cov dej muaj hom tshuaj tua kab tsis zoo. Cov kev xav tau zoo, thiab cov tshuaj xav tau pa oxygen (COD) tuaj yeem nce kaum txhiab tus mg rau ib liter; Cov tshuaj lom yog qhov siab. Ntxiv rau kev tshuaj tua kab, cov dej khib nyiab tseem muaj cov tshuaj lom neeg xws li Phenol, Arsenic, Mercury uas nyuaj rau kev muaj sia; Muaj ib tug foul tsw, uas yog khaus rau tib neeg kev ua pa ua pa thiab cov quav dev; Cov dej ua tau zoo thiab ntim cov dej tsis khov.
2. Txoj kev kho mob:
Muaj cov khoom siv carbon adsorption, ntubxidation, cov kuab tshuaj ntxiv, distillation thiab ua kom tau txais kev txo qis txoj kev.
Cov yam ntxwv ntawm cyanide uas muaj dej ntas
1. Cov yam ntxwv tseem ceeb
Cyanide muaj cov dej xascide wastewater-muaj cov dej khov, xaim, xaim, metallurgy, ntaub xaim, hlau, tshuaj tua tshuaj, lwm yam kev lag luam tshuaj thiab lwm lub chaw haujlwm. Cyanide muaj cov dej khib nyiab yog ib qho kev lag luam muaj kuab lom, uas tsis ruaj khov hauv dej thiab yooj yim kom decompose.
2. Kev Kho Mob:
Hloov pauv cov txheej txheem los txo lossis tshem tawm cov tshuaj tso tawm ntawm cyanide uas muaj dej khib nyiab. Piv txwv li, kev siv cyanide-dawb electroplating tuaj yeem tshem tawm cov neeg siv dej khib nyiab hauv cov hluav taws xob hluav taws xob. Wastewater nrog cov ntsiab lus cyanide siab yuav tsum tau ua dua tshiab, thiab cov dej khib nyiab nrog cov ntsiab lus cyanide tsawg yuav tsum huv ua ntej tawm. Txoj kev ua dua tshiab suav nrog txoj kev ua kom haum, cov qauv hlau, huab cua hlau ua, thiab lwm yam.
Cov yam ntxwv ntawm phenol-muaj dej ntas wastewater
1. Cov yam ntxwv tseem ceeb
Phenolic Cov Phenol Cov Khoom Siv Ntawm Phenol-feem ntau yog los ntawm cov khoom siv roj av, cov khoom siv roj av, cov khoom siv tshuaj tua hluav taws xob, cov tshuaj tua hluav taws xob, cov tshuaj tua kab thiab phenolic resin cov txheej txheem ntau lawm. Nws muaj cov phenolic cov yeeb yaj kiab, uas yog hom protoplasmic tshuaj lom uas tuaj yeem cuam tshuam cov protein.
2. Txoj kev kho mob:
Txoj kev ua kom lub cev, tshuaj vapor dephenolization txoj kev, kev siv tshuaj lom cov qauv, kev ua kom zoo rau cov qauv tshuaj lom neeg, kev sib chwv roj lom oxidation, thiab lwm yam.
Cov yam ntxwv ntawm mercury-muaj wastewater
1. Cov yam ntxwv tseem ceeb
Feem ntau los ntawm cov nroj tsuag tsis-ferrous hlau smelters, tshuaj lom neeg cov nroj tsuag, tshuaj tua kab, cov millic thiab cov nroj tsuag kub thiab ua ntsuas cua. Nws cov kuab lom tau txawv ntau, xws li methylmercury, uas tsis yooj yim nqus tau los ntawm tib neeg lub cev, tsis yooj yim rau kev thuam, thiab maj mam sau nyob rau hauv lub hlwb.
2. Txoj kev kho mob:
Txuj lom neeg siv nag lossis daus, txoj kev txo qis, ion sib pauv qauv, thiab lwm yam.
Cov yam ntxwv ntawm Cov Dej Txias Hnyav
1. Cov yam ntxwv tseem ceeb
Wastewater feem ntau yog los ntawm tsuas yog los ntawm kev tsuas, smelting, electrolypiling, tshuaj tua kab, tshuaj tua kab, xim, pigments thiab lwm yam lag luam. Nws muaj ntau yam hlau ions, xws li tooj liab, zinc, etc. Tus mob top hlau sib txawv. Qee tus muaj tshuaj lom ntau thiab muaj teeb meem. Qee cov hlau ions yog yooj yim rau los tsim insoluble precipitates nyob rau hauv qee qhov xwm txheej.
2. Kev Kho Mob:
Cov hlau hnyav hauv cov neeg pov tseg tau hloov mus rau hauv insoluble hlau sib txuas lossis cov ntsiab lus, thiab tshem tawm ntawm cov dej khib nyiab los ntawm nag lossis daus. Cov hau kev siv tau suav nrog kev ua haujlwm los nag lossis daus, cov tshuaj tsw qab, daus), lossis cov pa hluav taws xob), diaphragm electrolysis, thiab lwm yam.
Cov hlau hnyav hauv cov dej khib nyiab yog muaj cov tshuaj lom thiab sib cais yam tsis hloov lawv cov tshuaj. Cov hau kev uas siv tau suav rov qab osmosis, electrodialysis, evaporation thiab ion txauv. Cov hau kev no yuav tsum tau siv ib leeg lossis ua ke raws li qhov zoo thiab ntau ntawm cov dej khib nyiab.
Cov yam ntxwv ntawm Metallurgical Wastewater
1. Cov yam ntxwv tseem ceeb
Cov dej loj, ntau hom, ua haujlwm zoo thiab hloov tau cov dej tsis huv. Raws li cov peev txheej thiab cov yam ntxwv ntawm cov dej txias, muaj cov dej txias, ntxuav dej khib nyiab, thiab dej khib nyiab, sib cais lossis ntau dua los ntawm kev tsim khoom.
2. Txoj kev kho mob:
Tsim thiab Collee cov txheej txheem tshiab thiab thev naus laus zis uas tsis siv dej haus cawv thiab tsis muaj kuab paug thiab tsis muaj kuab paug thiab tsis muaj kuab paug thiab tsis zoo los ntawm Cokke cub roj, thiab lwm yam;
Tsim cov cuab yeej siv tau zoo, xws li rov ua cov khoom siv thiab cua sov los ntawm cov roj dej thiab khib nyiab los txo cov khoom siv thiab roj poob;
Raws li cov dej sib txawv, muaj kev sib tw sib npaug, thiab tib lub sijhawm txhim kho cov dej tsis tu ncua los txhim kho cov dej rov qab;
Tsim cov txheej txheem kho tshiab thiab thev naus laus zis haum rau cov yam ntxwv ntawm metallurgical wastewater, xws li siv txoj kev sib nqus los kho steel wastewater. Nws muaj qhov zoo ntawm kev ua tau zoo, kev taug kev me, thiab kev ua haujlwm yooj yim thiab kev tswj hwm.
Cov yam ntxwv ntawm cov kua qaub-hauv paus ntos
1. Cov yam ntxwv tseem ceeb
Nws feem ntau yog los ntawm cov nroj tsuag hlau, cov nroj tsuag tshuaj, cov nroj tsuag ntawm cov nroj tsuag thiab cov roj av thiab cov roj hlau hnyav. Qhov loj ntawm cov kua qaub sib txawv ntau, xws li tsawg dua 1% mus rau ntau dua 10%. Cov yam ntxwv ntawm Alkaline Wastewater: nws feem ntau yog los ntawm cov luam ntawv thiab tawg ua kom zoo nkauj, cov khoom siv roj, thiab lwm yam muaj organic alkali. Qhov loj ntawm alkali yog siab dua 5% thiab qis dua 1%. Ntxiv nrog rau cov kua qaub thiab cov kua qaub-thav duab pov tseg kuj muaj ntsev acid, cov khoom siv roj av thiab lwm yam organic. Acid-paus dej khib nyiab yog cov xeb zoo.
2. Txoj kev kho mob:
High-concentration acid-base lim dej yuav tsum tau ua ntej; Tsawg-concentration acid-paus dej khib nyiab, xws li kev ntxhua khaub ncaws ntawm cov pickling tank thiab rinsing dej tank, yuav tsum tau neutralized. Txog kev kho tsis pub muaj kev ua haujlwm, txoj ntsiab cai ntawm kev kho cov khib nyiab nrog cov khib nyiab yuav tsum tau txiav txim siab ua ntej. Piv txwv li, acid thiab alkaline dej khib nyiab tuaj yeem cuam tshuam nrog txhua lwm yam, lossis khib nyiab alkali (npuaj plab) yog siv rau nruab nrab alkaline. Thaum tsis muaj cov mob no, nruab nrab tus neeg sawv cev tuaj yeem siv rau kev kho.
Cov yam ntxwv ntawm ORE Hnav khaub ncaws Wastewater
1. Cov yam ntxwv tseem ceeb
Nws muaj cov dej ntau, cov ntsiab lus siab ntawm cov khib nyiab, thiab cov tshuaj tiv thaiv hnyav ions thiab ore cov tshuaj lom neeg muaj ntau hom kev phom sij. Cov hlau hnyav hlau ions muaj cov khoom tsis tshua muaj xws li tooj liab, zinc, txhuas, npib tsib, cadmium, thiab arsenic.
2. Txoj kev kho mob:
Cov hlau hnyav tuaj yeem raug tshem tawm los ntawm cov nqaij nyeem motionalization thiab ci dolomite adsorption; ore adsorption thiab activated carbon adsorption tuaj yeem siv los tshem tawm cov flotation tus sawv cev; Cyanide muaj cov dej khib nyiab tuaj yeem kho tau los ntawm kev lom neeg oxidation.
Cov yam ntxwv ntawm oily wastewaterater
1. Cov yam ntxwv tseem ceeb
Nws feem ntau yog los ntawm cov chaw muaj kev lag luam xws li roj av, petroleum, steel, Coking, roj kev noj, thiab ua txhua yam. Tus txheeb ze txiav kom ceev ntawm cov pa roj ntsha kom tsawg dua 1, tshwj tsis yog rau cov tar hnyav, uas muaj qhov sib txheeb qis dua ntawm ntau dua 1.1.
2. Kev Kho Mob:
Ua ntej tshaj, siv cov roj separator kom rov qab ntab roj lossis siv roj hauv effluent yog hais txog {2}} mg \/ u; Cov roj emulsified thiab dispersed roj hauv dej khib nyiab yog qhov nyuaj los kho, yog li cov emulsification zoo yuav tsum tau tiv thaiv lossis txo qis, feem ntau yog siv flotation thiab demulsification txoj kev.