1. Dab tsi yog cov phom sij ntawm Phenolic Wastewater, thiab nws yuav tsum kho tau li cas?
Phenolic Wastewater feem ntau yog thawj cov haujlwm xws li cov nroj tsuag roj av, thiab cov khoom siv roj av, cov tshuaj tua hluav taws xob, cov tshuaj tua kab mob organic, thiab cov khoom siv Phenholic. Phenolic Wastewater feem ntau muaj phenolic tebchaw, xws li Phenol, cresols, xlenols, thiab nitrocresols. Phenolic tebchaw yog protoplasmic tshuaj lom uas tuaj yeem ua rau cov protein sib cuam tshuam. Thaum cov concentration ntawm phenol hauv dej ncav cuag 0.1 - 0.} 0.} 0.2 mg / l, ntses nqaij yuav muaj tsis muaj ntxhiab tsw thiab tsis muaj tseeb. Ib qho kev xav ntawm 1 mg / u tuaj yeem cuam tshuam cov ntses spawning, thiab ib qho siab ntawm 5- 10 mg / u tuaj yeem ua rau lub neej tuag. Phenol hauv cov dej haus tuaj yeem cuam tshuam tib neeg kev noj qab haus huv. Txawm hais tias kev pom zoo yog tsawg li 0.002 mg / u, chlorine tua kab mob tuaj yeem tsim cov ntxhiab tsw qab ntawm chlorophenols. Phenolic Wastewaterater nrog lub concentration ntawm 1000 mg / u feem ntau kho. High -}}}}}}}}}}}}}}}}}}}}}} concent concent concent concent concent} concent concent} concent concent} concent concent ast concent w asttewater dej yuav tsum phenol rov qab los ua ntej kev kho. Phenolic Wastewaterater nrog ib tug loj concentration ntawm tsawg dua 1000 mg / u yog hu ua cov phenolic quav tshuaj. Hom dej Wastewater feem ntau rov ua dua tshiab, nrog phenhol confelfrated thiab rov qab rau kev kho tom qab. Phenol rov qab cov kuab kev rho tawm, chav stripping, adsorption, thiab kaw-voj txheej txheem. Wastewater nrog phenhol concentration hauv qab 300 mg / u tuaj yeem kho tau siv tshuaj lom neeg, tshuaj, lossis physicochemical oxidation txoj kev ua ntej tawm lossis rov qab.
2. Kuv muaj mercury -} muaj cov tshuaj khib nyiab? Cov yam ntxwv ntawm mercury tebchaw yog dab tsi?
Mercury -} muaj cov ntaub ntawv pov thawj los ntawm tsis yog {} Cov nroj tsuag tshuaj, cov pob zeb thiab cov nroj tsuag thermal. Cov hau kev rau tshem tawm inorganic mercury los ntawm cov dej khib nyiab, ua kom muaj kuab lom, ua kom cov roj av sib zog, ion txauv, thiab cov txheej txheem microbial. Tshuaj lom neeg sib xyaw ua kom dej nag lossis dej nag lossis daus ib txwm siv los kho alkaline mercury- muaj cov neeg lim dej. Kev txo cov hlau tuaj yeem siv los kho cov acidic mercury-} muaj cov neeg lim dej. Tsawg -}}}}-}}}}}}}}}}}} {} tshuaj lom neeg txhaagulation lossis tshuab hluav taws xob. Organic Mercury quav dej yog qhov nyuaj rau kev kho. Feem ntau, organic mercury yog thawj oxidized rau inorganic mercury thiab tom qab ntawd kho. Cov tshuaj lom ntawm ntau cov mercury teb sib txawv heev. Elcury mercury yog qhov tsis - ua kom lom; Mercuric chloride nyob rau hauv inorganic mercury yog ib yam khoom muaj kuab heev; Phenyylmercury nyob rau hauv organic mercury decomposes sai thiab tsis muaj kuab heev; Methylmercury yog yooj yim nqus los ntawm tib neeg lub cev, tsis yooj yim degraded, thiab yog excreted qeeb heev, tshwj xeeb ntxiv rau hauv lub hlwb. Nws yog cov tshuaj lom tshaj plaws. Piv txwv li, minamata tus kab mob yog tshwm sim los ntawm methylmercury lom.
3. Cov yam ntxwv ntawm oily wastewater thiab yuav kho nws li cas?
Oily cov dej khib nyiab tsuas yog los ntawm cov chaw muaj kev lag luam xws li roj av, petroleum, steel, coking, roj kev noj, thiab ua txhua yam. Tsuas yog cov tar hnyav, uas muaj qhov sib txheeb ze ntau dua 1.1, cov txheeb ze tau txiav tawm tsawg dua 1. Oily tshuaj feem ntau nyob hauv dej lwg hauv peb lub xeev. (1) Cov roj ntab, nrog cov roj dej loj dua 100μm, yog ib qho yooj yim cais los ntawm cov dej khib nyiab. (2) Cov roj Dispersed. Cov roj tee loj yog nruab nrab ntawm 10 thiab 100 μm thiab floats hauv dej. (3) roj emulsified. Cov roj tee loj yog tsawg dua 10 μm thiab nyuaj rau cais tawm ntawm cov dej khib nyiab. Txij li cov roj roj concentration nyob rau hauv cov chaw muaj kev sib txawv ntawm cov txheej txheem txiav tawm ntawm cov txheej txheem txheej txheem ntawm cov khoom siv dej tsis tau muaj li ntawm cov roj av tau ua haujlwm Yog li ntawd, kev kho mob Oily Wastewaterater yuav tsum xub siv cov ntxiab kom qab roj los yog siv roj ntau, thiab cov roj cov ntsiab lus ntawm effluent yog li 100-200 mg / l. Cov roj emulsified thiab dispersed roj hauv dej khib nyiab yog qhov nyuaj rau kev kho, yog li emulsification yuav tsum tau tiv thaiv lossis txo qis. Ib txoj kev yog kom them sai sai rau txo cov emulsification ntawm cov roj hauv cov dej khib nyiab thaum lub sijhawm ua haujlwm; Qhov thib ob txoj kev yog kom txo qis tus naj npawb ntawm cov sij hawm dej lwg yog nqa los ntawm cov twj tso kua mis thaum lub sijhawm kho mob kom tsis txhob nce qib ntawm emulsification. Txoj kev kho mob feem ntau suav nrog cov flotation thiab demulsification.
4. Cov peev txheej ntawm cov dej khib nyiab hnyav thiab nws cov ntsiab cai kho mob?
Hnyav hlau taub hau presenated los ntawm cov neeg quav dej los ntawm cov dej khib nyiab los ntawm kev siv tshuaj nchuav los ntawm kev siv tshuaj ntsuab, tshuaj tua kab, tshuaj pleev xim, thiab xim ua lag luam. Cov hom, cov ntsiab lus, thiab cov ntaub ntawv ntawm cov hlau hnyav hauv cov khoom siv pov tseg ntawm cov lag luam ntau lawm. Cov hlau hnyav tsis tuaj yeem decomposed lossis rhuav tshem; Lawv tuaj yeem hloov chaw thiab lawv lub cev thiab tshuaj hloov kho lub cev. Piv txwv li, tom qab tshuaj lom neeg nag lossis daus, cov hlau hnyav nyob rau hauv Wastewater hloov los ntawm Dhuav cov tebchaw, uas precipition thiab hloov los ntawm sludge. Tom qab ion pauv, hnyav hlau ions hauv cov resins hloov mus rau ion pauv cov resins, uas tau hloov dua tshiab, hloov pauv ntawm ion pauv cov resins rau hauv cov neeg nplua nuj. Yog li ntawd, cov ntsiab cai rau kev kho dej kom hnyav Qhov thib ob, cov txheej txheem muaj kuab heev, kev tswj hwm thiab kev ua haujlwm tuaj yeem txo cov rog hnyav siv thiab cov nyiaj poob hauv dej khib nyiab, txo qis nyiaj ntawm cov dej tsis muaj zog. Hnyav Hlau Wastewater yuav tsum tau kho nyob hauv zos ntawm qhov chaw thiab tsis sib xyaw nrog lwm cov dej khib nyiab kom tsis txhob muaj kev kho kom zoo. Ntxiv mus, nws yuav tsum tsis txhob raug rho tawm ncaj qha rau hauv cov dej phwj tuaj uas tsis muaj kev kho kom tsis txhob muaj cov pa phem ntxiv. Kev kho mob ntawm cov hlau dej hnyav tuaj yeem faib ua ob pawg ua ke: ib qho yog hloov ua cov quav hluav taws xob sib xyaw ua ke los ntawm cov dej khib nyiab los ntawm nag lossis dej khov. Cov hau kev siv tau suav nrog kev tsis pub muaj nag lossis daus, cov tshuaj tsw qab, daus, lossis daus), thiab diaphragm electrolysis. Lwm tus yog ua kom pom tseeb thiab cais cov hlau hnyav hauv cov dej khib nyiab tsis muaj kev hloov pauv lawv cov tshuaj. Cov hau kev siv tau suav nrog rov qab osmosis, electrodialys, evaporation, thiab eс txauv. Cov hau kev no yuav tsum siv ib tus zuj zus lossis ua ke nyob raws li kev ua haujlwm tsis zoo thiab kom muaj nuj nqis.
5. Yuav ua li cas kho cyanide -} muaj cov khib nyiab?
Cyanide -} muaj cov dej khib nyiab los ntawm cov tshuab hluav taws xob los ntawm cov hluav taws xob, thee kev siv roj av, siv tshuaj ua haujlwm, siv tshuaj pleev cov tshuaj, tshuaj tua kab, thiab tshuaj lom neeg. Cyanide Wastewater yog ib tug heev toxic kev siv tshuaj khib nyiab. Nws tsis ruaj khov nyob rau hauv dej thiab yog yooj yim rau decompose. Ob leeg inorganic cyanide thiab organic cyanide yog cov tshuaj lom neeg lom thiab tuaj yeem ua rau muaj kuab lom yog tias muaj. Lub Neej Kom Zoo ntawm Cyanide rau Tib Neeg yog 0.18, poov xab yog 0.18g, thiab lub tuag dej hauv dej mus rau ntses yog 0.24 {} 0.1mg / l. Lub ntsiab ntsuas rau kev kho Cyanide Wastewater yog: (1) hloov kho cov txheej txheem los txo lossis tshem tawm qhov tso tawm ntawm Cyanide Wastewater. Piv txwv li, kev siv Cyanide-} ywj pheej electroplating tuaj yeem tshem tawm cov dej khib nyiab hauv hluav taws xob kev cob qhia. (2) Cov dej khib nyiab nrog cov ntsiab lus cyanide siab yuav tsum tau siv thiab rov siv dua, thaum dej tsaws tsag nrog cov ntsiab lus cyanide tsawg yuav tsum ua kom huv. Txoj kev ua dua tshiab suav nrog txoj kev ua kom haum, thiab cov qauv siv roj av, cov pa roj ntsha, cov pa roj ntsha, cov pa roj ntsha, cov pa roj ntsha, Tsis ruaj khov, thiab huab cua stripping tsis yog pollutes cov cua, tab sis kuj tseem effluent tsis tau raws li cov qauv kev tshem tawm. Nws tsis tshua siv.
6
Muaj ntau ntau hom tshuaj tua kab, thiab cov tshuaj tua kab zoo ntawm cov tshuaj tua kab quav hluav taws xob yog qhov nyuaj. Nws cov yam ntxwv tseem ceeb yog (1) kev muaj txiaj ntsig zoo ntawm cov pa phem, nrog kev thov tshuaj lom neeg (COD) nce kaum txhiab tus mg rau ib liter; (2) Cov tshuaj lom neeg siab ntau, ntxiv rau tshuaj tua kab thiab nruab nrab, cov tshuaj lom kuj muaj ntau yam tshuaj lom neeg, thiab ntau yam uas nyuaj rau kev ua haujlwm biologically; (3) Nws muaj cov tshuaj tsw qab thiab muaj kev txob rau tib neeg ua pa ua pa thiab cov yeeb yaj kiab zoo; (4) Cov dej ua tau zoo thiab ntim cov dej tsis ruaj khov. Yog li ntawd, tshuaj tua kab yog cov tshuaj tua kab yog kuab heev rau ib puag ncig. Lub hom phiaj ntawm kev kho tshuaj tua kab kom tsawg yog txhawm rau txo cov kuab paug hauv cov tshuaj kuab lom neeg tua dej ntau lawm, thiab siv zog ua kom tiav kom tsis muaj kev phom sij. Txoj kev kho mob rau cov tshuaj tua kab quav tshuaj tua kab quav tshuaj nrog rau cov pa roj carbon adstorption, ntub oxidation, daws teeb meem, thiab ua kom lub nra hnyav. Txawm li cas los xij, kev txhim kho cov tshuaj tua kab tshiab nrog kev ua haujlwm siab, muaj kev lom zem tsawg thiab cov kev taw qhia qis yog cov kev taw qhia kev ua tshuaj tua kab. Qee lub tebchaws tau txwv cov khoom lag luam engoroclorine thiab cov tshuaj tua kab xws li Hexacharorocyclohexane thiab yog nquag tshawb fawb thiab siv cov microbial tshuaj tua kab. Nov yog txoj hauv kev tshiab rau kev tiv thaiv cov tshuaj tua kab tua kab mob tua kab.
7. Cov yam ntxwv ntawm kev lag luam lim dej khib nyiab thiab nws txoj kev kho mob yog dab tsi?
Cov khoom noj khoom haus muaj cov khoom siv raw thiab cov khoom lag luam ntau ntau, thiab tus nqi thiab kev ua kom zoo thiab ua tau zoo li tawm txawv heev. Cov pa tsis zoo nyob rau hauv cov dej khov yog (1) cov teeb meem ntab hauv cov dej khib nyiab, xws li zaub nplooj, cov txiv hmab txiv ntoo, minced nqaij plaub, thiab lwm yam; (2) tej yam raug tshem tawm hauv cov dej khib nyiab, xws li roj, protein, hmoov txhuv nplej siab, colloids, thiab lwm yam; (3) acids, alkalis, ntsev, suab thaj, thiab lwm yam uas yaj hauv cov dej khib nyiab; (4) av nkos, xuab zeb thiab lwm cov organic teeb meem nqa los ntawm cov khoom siv raw; (5) Cov kab mob Pathogenic thiab cov kab mob, thiab lwm yam ntawm cov ntsiab lus kev lag luam organic thiab cov ntsiab lus ncua, yooj yim tsis muaj kuab heev. Nws thawj qhov kev ua phem yog eutrophication, uas tuaj yeem ua rau kev tuag ntawm cov tsiaj muaj tsiaj thiab tuaj yeem ua rau cov nqaij hauv qab, thiab tuaj yeem ua rau cov dej tsw qab, thiab ua kom ib puag ncig.
Ntxiv rau qhov tsim nyog ua ntej raws li cov muaj nuj nqis ua dej, kev lag luam lim dej lim dej ntau feem ntau siv kho roj ntsha. Yog tias cov kev xav tau effluent zoo heev lossis cov dej khib nyiab muaj cov roj ntsha, ob {- theem rotary disc tuaj yeem siv. Hloov pauv, kev sib txuas ntawm ob lub roj ntsha roj ntsha tau siv, lossis anaerobic - Aerobic tandem kev kho mob yog leej twg.
8. Yuav ua li cas yog papermaking wastewater ua?
Papermaking Wastewater feem ntau pib los ntawm cov pulping thiab papermaking txheej txheem hauv kev lag luam papermaking. Pulping koom nrog sib cais ua ke los ntawm cov khoom cog los ntawm cov khoom siv los tsim cov pulp, uas yog tom qab ua kom dawb. Papermaking cuam tshuam nrog diluting, shaping, nias, thiab kom qhuav lub pulp los ua ntawv. Ob qho tib si txheej txheem ua cov dej kom loj ntawm cov dej khib nyiab, nrog rau cov roj ntsha lim dej ua kom muaj kuab lom ntau tshaj plaws. Cov dej khib nyiab tawm ntawm pulp ntxuav yog tsaus xim av, hu ua dej dub. Dej dub muaj cov kuab paug siab, muaj lub cev nqaij hlav orgoic) kom siab li 5-40 g / l, thiab muaj cov ntsev muaj roj, thiab pigments. Dej tsaws tsag tawm los ntawm cov txheej txheem dawb kuj muaj cov khoom tseem ceeb ntawm acidic thiab alkaline. Wastewater tawm los ntawm cov tshuab dawb, muaj cov peev xwm dawb, muaj cov peev txheej tseem ceeb, nrog rau cov fillers thiab cov neeg sawv cev ntawm cov txheej txheem ntau lawm. Kev Kho Mob ntawm Papermaking Wastewater yuav tsum tsom rau cov nqi dej rov qab los thiab cov dej kom tsawg dua, thaum tseem pheej yig, thiab siv cov khoom siv pov tseg. Piv txwv li, cov frolotation tuaj yeem rov qab ua cov khib nyiab fibrous los ntawm dej dawb ntawm tus nqi rov qab txog 95%, cia cov dej ntshiab kom tau txais rov qab. Combustion tuaj yeem rov qab sodium hydroxide, sodium sulfide, sodium sulfate, thiab lwm yam ntsev ntsev txuam nrog cov organic teeb meem los ntawm cov dej dub. Neutralization tuaj yeem hloov kho cov dej wastewater? kev sib cais thiab kev ua kom tawv nqaij lossis flotation tuaj yeem tshem cov khib nyiab tshem tawm; tshuaj lom neeg nag lossis daus tuaj yeem ua tiav cov kev txiav tawm; Kev kho mob muaj peev xwm tshem tawm lub cev thiab yog siv tau tshwj xeeb rau Kraft daim ntawv sau cia quav; thiab ntub oxidation tau ua tiav hauv kev kho cov sulfite pulp wastewater. Ib qho ntxiv, thim rov qab osmosis, ultrafiltration, electrididrialysis thiab lwm txoj kev kho mob tseem siv nyob hauv tsev thiab txawv teb chaws.
9. Yuav ua li cas kho luam ntawv thiab zowing kev lag luam khib nyiab?
Luam ntawv thiab dyeing kev lag luam noj ntau cov dej. Feem ntau, 100 mus rau 200 tons ntawm cov dej tau noj rau txhua tuj textile luam ntawv thiab nkawj luam ntawv rau 90% ntawm cov dej yog tso tawm raws li cov luam ntawv thiab zas dej. Cov qauv kev kho mob ib txwm muaj xws li kev rov ua dua tshiab thiab kev kho tsis zoo.
Cov khoom siv hluav taws xob: (1) Cov dej khib nyiab tuaj yeem rov ua haujlwm raws li cov yeeb yam dej zoo, xws li kev ua haujlwm ntawm cov tshuaj tsw qab ntawm cov tshuaj tsw qab thiab nplawm thiab Dyeing thiab Dyeing thiab luam yeeb. Tus qub tuaj yeem raug ntxuav los ntawm kev lees paub. Ib qho dej tuaj yeem siv rau ntau lub hom phiaj thiab txo qis ntim; (2) Alkali liquor rov ua dua yog feem ntau rov ua dua los ntawm evaporation. Yog tias tus nqi ntawm Alkali Dej cawv yog loj, triple - Cov txiaj ntsig tau siv rau kev rov ua dua tshiab. Yog tias tus nqi ntawm Alkali Dej cawv yog me me, cov zaj duab xis nyias nyias tuaj yeem siv rau kev rov ua dua tshiab; (3) Rov qab. Piv txwv li, Shilin zas muaj peev xwm tau ua kom tau cov acid cryptopamic, uas yog ib qho colloidal particle. Nws raug tshem tawm nyob rau hauv cov khoom noj nyob rau hauv cov kua thiab rov ua dua tshiab tom qab daus thiab kev lim dej.
Kev kho mob tsis muaj mob tuaj yeem faib ua: (1) kev kho mob lub cev suav nrog cov nag lossis nagmitation thiab adsorption. Txoj kev ua daus tshwj xeeb tsuas yog tshem tawm cov khib nyiab tshem tawm hauv cov dej khib nyiab; Cov qauv adsorption feem ntau tsuas tshem tawm cov kuab paug yaj thiab cov khoom siv khib nyiab. (2) Kev kho mob siv tshuaj suav nrog kev txheeb nruab nrab, sib xyaws thiab oxidation. Neutralization yog kho tus nqi PH ntawm cov dej khib nyiab thiab txo cov xim ntawm cov dej khib nyiab; Coagulation yog tshem tawm dyes dyes thiab colloidal tshuaj nyob rau hauv dej lwg; Oxidation yog oxidize txo cov tshuaj hauv dej kom prekipitation sulphur dyes thiab txo cov dyes. (3) Kev kho mob muaj roj ntsha suav nrog kev ua kom txaj muag, cov nruas teb kev teb, thev naus laus phob thiab lom neeg lom neeg oxidation. Txhawm rau txhim kho qhov zoo ua tau zoo thiab ua kom tau raws li cov qauv tshem tawm lossis cov cai rov ua dua tshiab, feem ntau yuav tsum muaj ntau txoj hauv kev sib xyaw ua ke.
10. Yuav ua li cas kho zas ntau lawm quav dej?
Nte Ntau Lawm Wastewaterater muaj cov kua qaub, alkalis, ntsev, hydrocarbons, amines, dyes thiab lawv cov intermediates. Ib txhia tseem muaj pyridine, cyanide, phenol, benzidine thiab hnyav hlau xws li mercury, cadmium thiab chromium. Cov tshuab hluav taws xob muaj cov khoom siv nyuaj, yog cov tshuaj lom thiab nyuaj rau kev kho. Yog li ntawd, kev kho cov zas ntau lawm quav ceev. Txoj kev kho kom tsim nyog yuav tsum raug xaiv raws li cov dej khib nyiab thiab cov cai tso tawm. 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 oxidation, txoj kev sib txuam, thiab rov qab siv Osmosis yog feem ntau siv los tshem tawm cov os organ organ້ອງ thiab cov kuab lom; Decolorization feem ntau ua haujlwm ib qho txheej txheem ua ke sib txuas kev sib xyaw ua ke thiab kev kos duab, thiab hnyav hlau tshem tawm cov haujlwm ion.
11. Yuav ua li cas yog tshuaj lom neeg kev lag luam lim dej?
Tshuaj Kev Lag Luam Wastewater feem ntau los ntawm cov tsiaj txhu dej khib nyiab, thee tshuaj, cov ntaub qhwv, cov ntaub ntawv, zas luam, zas, thiab kev lag luam roj hmab. Thawj txoj kev ntsuas rau kev tiv thaiv thiab tswj cov pa roj carrollow, ua ntej, ua kom tsis txhob muaj kuab paug, ua kom tsis txhob siv cov pa paug ua haujlwm, thiab siv cov tshuaj lom dej kom huv, thiab siv cov khoom siv dej kom zoo dua qub, thiab siv cov khoom siv kom ua kom zoo dua qub, thiab siv cov khoom siv kom ua kom zoo dua qub, thiab siv cov khoom siv dej kom zoo dua qub, thiab siv cov khoom siv kom dej paug, thiab siv cov tshuaj lom dej tawm, thiab siv cov tshuaj lom dej tawm, thiab siv cov tshuaj lom dej tawm, thiab siv cov tshuaj lom dej tawm, thiab siv cov tshuaj lom dej tawm, thiab siv cov tshuaj lom dej kom huv thiab siv dua tshiab. Rau cov dej khib nyiab uas yuav tsum tau tawm mus, kev kho mob yuav tsum txiav txim siab raws li cov dej ua haujlwm zoo thiab cov kev xav tau. Kev kho thawj thawj feem ntau cais cov khib nyiab, colloids, thiab ntab lossis roj hnyav los ntawm dej. Cov dej ua kom zoo thiab kom muaj qhov ntau kho tau, kev ua kom muaj txiaj ntsig, kev sib cais, thiab roj sib cais yog nyob ntawm cov hau kev uas tuaj yeem ua haujlwm. Kev kho mob ob raug tshem tawm cov oloOrradable organic muaj teeb meem thiab qee qhov kev thov biochemical (bod) thiab qee qhov kev thov kev ua pa oxygen (COD) hauv cov dej khib nyiab. Kev kho mob muaj feem ntau siv. Ib qho kev txiav txim siab ntau heev kuj tseem nyob hauv lub pov tseg tom qab kev kho mob ntawm kev kho mob muaj tseeb, qee zaum nrog cov xim ntau, tsw, thiab saj. Kev kho mob teration yog qhov tsim nyog rau kev ua kom huv ntxiv vim yog cov qauv kev ua kom huv si. Tertiary kev kho mob ib txwm tshem tawm tsis yog - biodegradable organic thiab soluble inorganic kuab paug los ntawm cov dej ntas. Cov hau kev xws li suav nrog ua kom cov roj carbon adsorption thiab ozone oxidation, tab sis ion txauv thiab membrane Clearation Technologies kuj tseem siv tau. Cov hau kev kho sib txawv tuaj yeem siv rau ntau yam kev siv tshuaj khib nyiab, nyob ntawm cov dej kom zoo, ntim ntim, thiab qhov ua tau zoo ntawm cov kho effluent.
12. Dab tsi yog cov yam ntxwv ntawm cov kua qaub - Bases Wastewater thiab nws cov ntsiab cai kev kho mob?
Acidic Wastewater feem ntau yog los ntawm cov nroj tsuag hlau, cov nroj tsuag tshuaj, cov nroj tsuag ntawm cov nroj tsuag hluav taws xob thiab cov roj av muaj cov hlau hnyav. Qhov kev sib txawv ntawm cov kua qaub ntau dua, nrog qis tshaj yog tsawg dua 1% thiab siab tshaj plaws ua ntau dua 10%. Alkaline Wastewater feem ntau yog los ntawm luam ntawv thiab tawg ua kom tawg, cov khoom siv roj, thiab lwm yam ntawm cov organic alkali. Qhov pawg pawg feem ntawm alkali yog qee zaum siab dua 5% thiab qee zaum qis dua 1%. Ntxiv rau cov kua qaub thiab alkalis, acid {{10} Bases} BaseS Dos kua qaub thiab lwm yam inorganic thiab tshuaj organic. Acid {{12} BaseS} Base Wastewater yog cov corrosive heev thiab yuav tsum tau kho kom zoo ua ntej nws tuaj yeem tso tawm.
Lub hauv paus ntsiab lus dav dav ntawm kev kho cov kua qaub {{} Base - BaseS} Base Base Wastewater yuav tsum tau rov ua thawj zaug. Raws li cov dej ua tau zoo, ntim ntim thiab cov txheej txheem sib txawv, nws yuav tsum tau xa tawm hauv lub hoobkas lossis thaj chaw ntau li ntau tau. Yog tias rov siv dua yog qhov nyuaj, lossis cov dej ntim qis thiab cov dej ntim yog qhov loj, cov kua qaub thiab hauv paus tuaj yeem rov qab tau los ntawm kev pom zoo. (2) Tsawg {-}}}}}}}}} Cov dej ntxuav tawm, xws li cov dej ntxhua khaub ncaws ntawm cov alkaline ntxhua khaub ncaws, 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 cov kab mob no tsis tau ntsib, kev kho mob nruab nrab tuaj yeem siv tau.
13. Cov neeg sawv cev ntawm cov neeg sawv cev hauv cov txheej txheej hauv pob zeb hauv ntxhia thiab lawv tau kho cov tshuaj tua dej hauv pob zeb thiab lawv tau kho tau li cas?
Cov ntxhia ua yeeb yam muaj cov yam ntxwv ntawm cov kav dej loj, cov ntsiab lus muaj zog loj, thiab cov tshuaj muaj teeb meem loj. Nws cov khoom muaj teeb meem yog cov hlau hnyav thiab cov ntxhia ua tiav. Cov hlau hnyav ntxiv suav nrog tooj liab, zinc, zom, npib tsib xee, barium, cadmium, nrog rau arsenic thiab tsis tshua muaj cov ntsiab. Cov tshuaj flotation ntxiv nyob rau hauv cov txheej txheem pob zeb hauv ntxhia yog cov hom hauv qab no: (1) cov neeg sawv cev. Xws li Xanthate (RocSSme), Tshuaj Dub [(LO) 2PSSME], tshuaj dawb [CS (NHC6H5) 2]; (2) Intibitors, xws li cyanide (Kcn, Nacn), dej iav (na2sio3); (3) Ua npuas ncauj cov neeg sawv cev, xws li turpentine, cresol (C6h4chhh); (4) cov neeg sawv cev nquag, xws li tooj liab sulfate (Cuso4), cov hlau siv ntsev hnyav; (5) cov neeg sawv cev ntawm cov neeg sawv cev, xws li sodium sulfide; (6) ee slurry regulators, xws li sulfuric acid, txiv qaub, thiab cov ntsiab lus ntawm cov hlau hnyav thiab cov flotation reagents kuj tseem tuaj yeem txo. Yog tias cov kev tshem tawm yuav tsis tau ua tiav, ntxiv kev kho yuav tsum tau nqa tawm.
Cov qauv kev kho mob ib txwm muaj: (1) txiv qaub Mineutralization txoj kev thiab roasted dolomite adsorption txoj kev tuaj yeem siv los tshem cov hlau hnyav; (2) ore adsorption txoj kev thiab ua haujlwm rau cov qauv roj carbon adsorption tuaj yeem siv los tshem tawm cov flotation reagents; (3) Cov qauv tshuaj oxidation yuav siv tau rau cyanide -} muaj cov dej khib nyiab.
14. Koj muaj pes tsawg pawg tuaj yeem sib faib ua kom cov dej khib nyiab yuav muab faib ua? Cov kev txhim kho ntawm nws txoj kev kho mob yog dab tsi?
Cov yam ntxwv tseem ceeb ntawm cov quav metallurgical dej yog cov dej loj, ntau hom, thiab cov hmoov av zoo thiab muaj cov dej tsis zoo. Raws li cov hauv paus thiab cov yam ntxwv ntawm cov dej dej, nws tsuas yog tshem tawm cov dej txias, cov roj av dej huv, thiab dej khib nyiab, sib cais lossis ntau dhau los ntawm kev tsim khoom.
Txoj kev txhim kho ntawm kev kho cov metallurater yog: (1) Kev tsim kho thiab tsis muaj kuab paug thiab tsis muaj kuab paug thiab tsis muaj kev lom zem thiab tsis muaj kev lom zem los ntawm Coke Cub nkas, thiab lwm yam; (2) tsim kho cov cuab yeej siv tau zoo, xws li rov ua cov tshuaj thiab cov pa dej thiab cov roj pov tseg thiab cov roj poob; (3) Raws li cov dej sib txawv zoo, muaj kev sib tw sib npaug, thiab tib lub sijhawm txhim kho cov dej tsis tu ncua los txhim kho cov dej rov qab; (4) tsim kho cov txheej txheem kev kho mob tshiab thiab cov thev naus laus zis haum rau cov yam ntxwv ntawm metallurgical quav tawm, xws li siv cov qauv sib nqus los kho cov hlau ntoo. Nws muaj qhov zoo ntawm kev ua tau zoo, kev taug kev me, thiab kev ua haujlwm yooj yim thiab kev tswj hwm.