Dab tsi yog txiv maj phaub plhaub raws li activated carbon?
Txiv maj phaub plhaub raws li cov pa roj carbon activated yog ib hom loj ntawm cov pa roj carbon activated uas nthuav tawm cov qib siab ntawm micropores, uas ua rau nws tshwj xeeb tshaj yog haum rau kev siv dej pom.Txiv maj phaub plhaub activated carbon yog los ntawm cov txiv maj phaub ntoo uas tuaj yeem nyob ntev dua 70 xyoo, yog li nws tuaj yeem suav tias yog ib qho khoom siv txuas ntxiv.Hom carbon no muaj qhov nyuaj siab thiab pom kev ua haujlwm zoo uas ua rau nws xaiv zoo tshaj plaws rau kev kho mob feem ntau.
Cov txheej txheem ntau lawm
Kev tsim khoom suav nrog cov txheej txheem superheating hu ua pyrolysis qhov twg cov plhaub tau hloov mus rau hauv char ua raws li cov txheej txheem fluidization hauv F
BR (fluidized txaj reactor) qhov twg cov pa roj carbon tau qhib ua haujlwm.FBR muaj ib lub tshuab ua teb, 20 meters ntev thiab 2.4 m nyob rau hauv txoj kab uas hla nyob rau hauv uas carbon yog activated ntawm kub tshaj 1000 degrees Celsius (1800 F).
Ntau hom, qhov ntau thiab tsawg thiab cov yam ntxwv ntawm kev ua haujlwm tuaj yeem raug tsom los ntawm kev ua tib zoo xaiv cov khoom siv raw, ua kom sov, lub sijhawm ua kom muaj zog thiab sib txawv ntawm qhov sib txawv ntawm cov oxidation gases.Tom qab ua kom muaj zog, cov pa roj carbon monoxide tuaj yeem muab cais ua ntau qhov sib txawv siv qhov sib txawv mesh.
WIT-STONEmuab cov txiv maj phaub roj rau txhua daim ntawv thov
WIT-STONE muab lo lus dav tshaj plaws thiab kev sib tw feem ntau ntawm cov txiv maj phaub plhaub tshuab txais carbon
thiab xa tawm thoob ntiaj teb.Peb tuaj yeem tsim tshwj xeeb thiab txiav ua cov pa roj carbon activated, peb cov qauv thiab qhov ntau thiab tsawg tau lees paub los daws cov haujlwm nyuaj tshaj plaws.
Txiv maj phaub activated carbon kev ua tau zoo
Tus nqi adsorption ntawm txiv maj phaub plhaub tau txais cov pa roj carbon monoxide rau cov kuab tshuaj organic feem ntau yuav poob qis thaum nws muaj dej los yog cov roj ntws ntub dej.Txawm li cas los xij, los ntawm kev siv txiv maj phaub plhaub activated carbon uas tuaj yeem tuav tau ntau heev
adsorption muaj peev xwm nyob rau hauv lub xeev ntub, nws tseem tuaj yeem siv rau kev rov qab los ntawm cov xwm txheej uas tsis tsim nyog rau kev rov qab los, tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv hnyav rov qab uas yuav raug cua sov vim oxidation thiab decomposition.Los ntawm humidifying cov roj adsorption, qhov kub nce ntawm cov txiv maj phaub plhaub tau txais cov pa roj carbon txheej tuaj yeem raug tshem tawm, uas dhau los ua ib qho tseem ceeb rau kev xaiv cov txiv maj phaub plhaub activated carbon.
Pom muaj peev xwm thiab kev ua tau zoo nyob ntawm ntau yam thiab cov yam ntxwv carbon.Tshwj xeeb, txiv maj phaub plhaub tau txais cov pa roj carbon monoxide yog paub txog nws cov qib siab hardness, purity thiab tsawg cov hmoov tshauv.
Kev kho dej khib nyiab ntawm activated carbon
Vim tias qhov kev xav tau siab rau kev kho dej ua ntej thiab tus nqi siab ntawm cov pa roj carbon activated, cov pa roj carbon activated feem ntau yog siv los tshem tawm cov kab paug hauv cov dej khib nyiab kom ua tiav lub hom phiaj ntawm kev ua kom huv si sib sib zog nqus.
1. Cov pa roj carbon activated yog siv los kho cov dej khib nyiab uas muaj chromium.
Cov txheej txheem ntawm kev siv cov pa roj carbon activated los kho chromium-muaj cov dej khib nyiab yog qhov tshwm sim ntawm lub cev adsorption, tshuaj adsorption thiab tshuaj txo cov pa roj carbon activated ntawm Cr (Ⅵ) hauv kev daws.Kev kho cov pa roj carbon monoxide ntawm cov dej khib nyiab uas muaj chromium muaj kev ua haujlwm ruaj khov adsorption, kev kho mob siab, kev ua haujlwm qis, thiab qee cov txiaj ntsig kev noj qab haus huv.
2. Cov pa roj carbon activated yog siv los kho cov dej khib nyiab cyanide.
Hauv kev tsim khoom, cyanide lossis byproduct cyanide yog siv rau hauv cov dej ntub dej ntawm cov kub thiab nyiaj, tsim cov tshuaj fibers, coking, hluavtaws ammonia, electroplating, roj ntau lawm thiab lwm yam lag luam, yog li qee qhov nyiaj ntawm cyanide-muaj cov dej khib nyiab yuav tsum raug tso tawm. nyob rau hauv cov txheej txheem ntau lawm.Cov pa roj carbon activated tau siv los ntxuav cov dej khib nyiab rau lub sijhawm ntev
3. Cov pa roj carbon activated yog siv los kho cov dej khib nyiab uas muaj mercury.
Cov pa roj carbon activated tuaj yeem adsorb mercury thiab mercury-muaj cov tebchaw, tab sis nws lub peev xwm adsorption tsawg, thiab nws tsuas yog tsim nyog rau kev kho cov dej khib nyiab nrog cov ntsiab lus mercury tsawg.Yog tias qhov concentration ntawm mercury siab, nws tuaj yeem kho tau los ntawm txoj kev los nag lossis daus.Tom qab kev kho mob, cov ntsiab lus mercury yog li 1mg / L, thiab tuaj yeem ncav cuag 2-3mg / L ntawm qhov kub thiab txias.Tom qab ntawd, nws tuaj yeem kho ntxiv nrog cov pa roj carbon activated.
4. Cov pa roj carbon activated yog siv los kho cov dej khib nyiab phenolic.
Phenolic wastewater yog dav los ntawm cov nroj tsuag petrochemical, resin nroj tsuag, coking nroj tsuag thiab roj refining nroj tsuag.Qhov kev sim qhia tau hais tias qhov adsorption kev ua tau zoo ntawm cov pa roj carbon activated rau phenol yog qhov zoo, thiab qhov nce ntawm qhov kub tsis haum rau adsorption, uas txo cov peev txheej adsorption;Txawm li cas los xij, lub sij hawm kom ncav cuag adsorption equilibrium ntawm qhov kub siab yog luv luv.Tus nqi ntawm cov pa roj carbon activated thiab lub sij hawm adsorption muaj qhov zoo tshaj plaws tus nqi, thiab tus nqi tshem tawm hloov me ntsis raws li acidic thiab nruab nrab tej yam kev mob;Nyob rau hauv muaj zog alkaline tej yam kev mob, cov phenol tshem tawm tus nqi poob sharply, thiab lub zog alkaline, qhov phem adsorption nyhuv.
5. Cov pa roj carbon activated yog siv los kho cov dej khib nyiab uas muaj methanol.
Cov pa roj carbon activated tuaj yeem adsorb methanol, tab sis nws lub peev xwm adsorption tsis muaj zog, thiab nws tsuas yog tsim nyog rau kev kho cov dej khib nyiab nrog cov ntsiab lus methanol tsawg.Cov txiaj ntsig kev lag luam ua haujlwm pom tau tias COD ntawm cov cawv sib xyaw tuaj yeem raug txo los ntawm 40mg / L mus rau qis dua 12mg / L, thiab kev tshem tawm cov tshuaj methanol tuaj yeem ncav cuag 93.16% ~ 100%, thiab cov dej ntws zoo tuaj yeem ua tau raws li qhov xav tau ntawm cov dej zoo. cov dej pub ntawm boiler desalted dej system
Tswv yim raupaub qhov zoontawm active carbon
Activated carbon adsorption txoj kev yog siv dav tshaj plaws, paub tab, nyab xeeb, siv tau zoo thiab txhim khu kev qha kom tshem tawm cov pa phem hauv tsev hauv xyoo pua 21st.Txawm hais tias muaj ntau hom activated carbon nyob rau hauv cov nqe lus ntawm cov tsos thiab kev siv, activated carbon muaj ib tug zoo yam ntxwv, uas yog, "adsorption".Qhov siab dua tus nqi adsorption, qhov zoo dua ntawm cov pa roj carbon activated.Yuav ua li cas los txheeb xyuas tus nqi adsorption ntawm activated carbon?
1.Saib qhov ceev: yog tias koj hnyav nrog koj txhais tes, qhov pores ntawm cov pa roj carbon activated ntau dua, qhov adsorption kev ua tau zoo dua, qhov me dua qhov ntom, thiab qhov sib dua ntawm tus kov.
2.Saib cov npuas: muab me me ntawm cov pa roj carbon activated rau hauv dej, tsim cov npuas me me, rub tawm cov npuas me me, thiab tib lub sijhawm ua suab nrov npuas.Qhov ntau qhov tshwm sim no tshwm sim, lub sijhawm ntev dua, qhov zoo dua qhov adsorption ntawm activated carbon.
Qhov zoo ntawm thee-based activated carbon
1) Cov yam ntxwv tseem ceeb ntawm cov pa roj carbon monoxide granular activated carbon yog cov cuab yeej siv qis, tus nqi qis, nrawm nrawm nrawm thiab muaj zog yoog mus rau lub sijhawm luv luv thiab tam sim ntawd dej paug.
2) Qhov sib ntxiv ntawm cov thee-raws li granular activated carbon tau pom tseeb cuam tshuam rau kev tshem tawm xim.Nws tau tshaj tawm tias kev tshem tawm ntawm chroma tuaj yeem ncav cuag 70%.
Qhov qis chroma qhia tau hais tias qhov kev tshem tawm ntawm cov organic teeb meem yog siab, thiab tshem tawm cov nyhuv ntawm hlau thiab manganese yog qhov zoo.
3) Ntxiv cov thee-raws li granular activated carbon muaj qhov cuam tshuam rau kev tshem tawm tsw.
4) Ntxiv cov thee-based granular activated carbon yog pab kom tshem tawm cov tshuaj anionic.
5) Qhov sib ntxiv ntawm thee-based granular activated carbon yog qhov tsim nyog rau kev tshem tawm cov algae.Qhov sib ntxiv ntawm thee-based granular activated carbonblocks lub teeb haum ntawm algae, thiab muaj ib tug pom tseeb coagulation nyhuv nyob rau hauv cov dej qhov chaw uas tsis muaj turbidity, uas yog pab tau tshem tawm algae nyob rau hauv lub coagulation sedimentation.
6) Qhov sib ntxiv ntawm thee-based granular activated carbon txo cov tshuaj oxygen noj thiab tsib hnub biochemical oxygen thov.Kev poob qis ntawm cov ntsuas no, uas muaj feem cuam tshuam zoo rau qib ntawm cov pa phem hauv dej, qhia txog kev tshem tawm cov tshuaj lom thiab teeb meem hauv dej.
7) Ntxiv cov thee-based granular activated carbon muaj txiaj ntsig zoo rau kev tshem tawm phenols.
8) Qhov sib ntxiv ntawm cov thee-based granular activated carbon hmoov zoo heev txo cov turbidity ntawm effluent thiab zoo heev txhim kho cov dej kais dej.
9) Cov txiaj ntsig ntawm kev ntxiv cov pa roj carbon monoxide rau hauv cov dej mutagenicity tuaj yeem tshem tawm cov pa phem.Nws yog ib txoj kev yooj yim rautxhim kho qhov zoo ntawm cov dej haus los ntawm cov txheej txheem pa.
Cov yam tseem ceeb cuam tshuam rau activated carbon adsorption
1.Qhov loj dua qhov xwm txheej thiab thaj chaw ntawm cov pa roj carbon activated adsorbent, lub peev xwm adsorption muaj zog dua;Cov pa roj carbon activated yog ib qho tsis-polar molecule,
2.Qhov xwm ntawm adsorbate nyob ntawm nws cov solubility, lub zog tsis muaj zog, polarity, qhov loj thiab qhov tsis txaus ntawm adsorbate molecules, concentration ntawm adsorbate, thiab lwm yam.uas yooj yim rau adsorb tsis-polar lossis tsawg polar adsorbate;Qhov loj ntawm activated carbon adsorbent hais, cov qauv thiab kev faib tawm ntawm cov pores zoo thiab cov khoom siv tshuaj lom neeg muaj txiaj ntsig zoo rau cov adsorption.
3.Tus PH tus nqi ntawm cov dej khib nyiab thiab cov pa roj carbon activated feem ntau muaj cov adsorption ntau dua hauv cov kua qaub ntau dua li cov tshuaj alkaline.PH tus nqi yuav cuam tshuam rau lub xeev thiab solubility ntawm adsorbate hauv dej, yog li cuam tshuam rau cov nyhuv adsorption.
4. Thaum muaj cov khoom sib xyaw ua ke thiab muaj ntau yam adsorbates, lub peev xwm adsorption ntawm cov pa roj carbon activated rau ib qho adsorbate yog qhov phem tshaj qhov tsuas yog muaj cov adsorbate no xwb.
5.Tub thiab kub tsis tshua muaj kev cuam tshuam rau cov adsorption ntawm activated carbon
6.Contact lub sij hawm: xyuas kom meej tias muaj qee lub sij hawm sib cuag ntawm cov pa roj carbon activated thiab adsorbate kom adsorption ze rau qhov sib npaug thiab ua kom muaj peev xwm siv tau tag nrho.
Post lub sij hawm: Mar-21-2023