Cov pa roj carbon activated yog ib hom microcrystalline carbon cov khoom siv nrog cov tsos dub, tsim lub sab hauv pore qauv, thaj av loj thiab muaj zog adsorption muaj zog. Nws yog ib qhov feem ntau siv adsorbent, catalyst lossis catalyst carrier, siv dav hauv yuav luag txhua ntu ntawm kev lag luam hauv lub teb chaws thiab tib neeg lub neej txhua hnub. Kev faib tawm ntawm Cov Khoom Siv Hluav Taws Xob - Tsis muaj tsawg dua 1000 yam ntawm cov roj carbon activated vim muaj cov khoom siv sib txawv ntawm cov khoom siv, cov txheej txheem tsim tawm, cov tsos thiab daim ntawv thov sijhawm.
Ua ntej, raws li cov khoom siv los ntawm cov khoom siv, nws muaj peev xwm muab faib ua cov ntoo qhib carbon (xws li txiv maj phaub plhaub ua kom cov pa roj carbon, apricot plhaub qhib cov pa roj carbon, cov hmoov ntoo ua kom muaj cov pa roj carbon, thiab lwm yam), cov roj av ua kom cov pa roj carbon roj (ua kom cov pa roj carbon tshuab ua los ntawm ntau cov thee). thiab cov roj av thiab lawv cov khoom lag luam), thiab cov pa roj carbon ua los ntawm lwm cov khoom siv (xws li cov pa roj carbon tshuab ua los ntawm cov roj hmab pov tseg, cov pa roj khib nyiab, thiab lwm yam).
Thib ob, raws li cov txheej txheem tsim tawm, nws tuaj yeem muab faib ua cov tshuaj tua hluav taws xob (cov tshuaj tua hluav taws xob) thiab lub cev ua kom cov pa roj carbon thiab cov tshuaj ua kom lub cev muaj zog los ntawm cov tshuaj.
Kev Siv Hluav Taws Xob Hluav Taws Xob yog ib txoj hauv kev npaj cov pa roj carbon activated los ntawm kev sib xyaw carbon-uas muaj cov khoom nyoos nrog qee cov tshuaj lom neeg thiab kev kho cua sov. Cov pa roj carbon activated uas ua los ntawm cov qauv siv tshuaj yog tseem hu ua kev ua kom cov tshuaj lossis cov roj carbon activated.
Cov neeg ua haujlwm muaj xws li zinc chloride, calcium chloride, potassium carbonate, phosphoric acid, potassium dihydrogen phosphate, potassium sulfide, sulfuric acid, potassium hydroxide, sodium hydroxide, boric acid, thiab lwm yam hauv ib lo lus, ntau cov acids, puag thiab ntsev tuaj yeem siv ua si , feem ntau xav txog cov khoom thiab kev lag luam ntawm cov roj carbon activated. Dab tsi ntawm cov activator siv?
Feem ntau hais lus, micropore theem nrab thiab mesopore (piv txwv li pore diameter lossis pore dav ntau dua 1.5 nanometer) hauv qhov pore ntawm cov pa roj carbon monoxide muaj ntau dua, uas yog siv cov roj (chav) adsorption qee cov kua theem adsorption refining thiab solvent rov qab Cov.
Cov pa roj carbon tshuab hluav taws xob tsim los ntawm cov txheej txheem tshuaj yuav tsum txuas qhov tseem ceeb rau kev tiv thaiv ib puag ncig thiab kev cuam tshuam ntawm cov kab kawm coj los ntawm cov khoom siv tsis yog.
Kev Siv Hluav Taws Xob Hluav Taws Xob (ACC) yog ib txoj kev uas siv cov pa roj carbon li cov khoom siv, cov pa, carbon dioxide, cua (feem ntau yog oxygen) lossis lawv cov sib xyaw (cov pa roj) ua qhov nruab nrab, thiab ua kom nws kub (600-1000 C) los tsim ACC, uas yog hu ua tus txheej txheem ntawm lub cev. Cov pa roj carbon activated los ntawm lub cev txoj kev raug hu ua lub cev cov roj carbon activated, tseem hu ua carbon carbon lub cev.
Feem ntau hais lus, micropore ntawm lub cev tawm (pore lub taub lossis pore dav tsawg dua 1.5 nanometer) tau tsim, uas yog siv roj av theem adsorption lossis me me molecule kua theem adsorption.
Kev Siv Hluav Taws Xob-Lub Cev lossis Lub Cev-Ua Rau Lub Cev
Thaum nkag siab cov pa roj carbon monoxide thiab lub cev cov pa roj carbon, peb kuj yuav tsum hais txog kev siv tshuaj-lub cev lossis lub cev ua kom cov tshuaj carbon muaj zog. Cov txheej txheem pore ntawm cov pa roj carbon activated tuaj yeem tswj tau los ntawm kev siv cov khoom sib txawv thiab kev sib txawv ntawm kev siv tshuaj lom neeg thiab lub cev, thiab ntau cov roj carbon activated nrog cov khoom sib txawv tuaj yeem npaj tau. Qhov txheej txheem tshuaj lom neeg-lub cev lossis tshuaj lom neeg lub cev yog ib txoj kev tsim cov pa roj carbon activated uas tau ua rau muaj kev nyiam ntau ntawm cov neeg ua haujlwm carbon thoob plaws lub ntiaj teb tau ntau xyoo thiab ntev ntev tuaj.
Thib peb, raws li cov duab thiab duab
Cov Paib Cov Hluav Taws Xob: Cov pa roj carbon ntau nrog lub zog me uas tsawg dua 0.175mm lossis tshaj li 90% dhau los ntawm 80 lub hom phiaj ntawm cov sieves feem ntau hu ua Cov Khoom Siv Hluav Taws Xob lossis Ua Pa Carbon. Cov pa roj carbon monoxide muaj qhov zoo ntawm cov adsorption nrawm thiab muaj peev xwm txaus adsorption, tab sis nws xav tau txoj kev sib cais tshwj xeeb. Nrog rau kev nce qib ntawm kev siv tshuab cais thiab kev tawm tsam ntawm qee qhov kev thov, qhov loj me ntawm cov pa roj carbon monoxide loj yuav zoo dua thiab mos. Qee qhov xwm txheej, nws tau mus txog micron lossis txawm qib nanometer.
Granular activated carbon: Cov pa roj carbon activated nrog cov particle loj dua 0.175mm feem ntau hu ua granular activated carbon.
Granular qhib cov pa roj carbon monoxide tau muab faib ua cov pawg hauv qab no--
Kev ua pa roj carbon ntau nrog amorphous granules: Kev ua kom muaj cov roj carbon nrog amorphous granules feem ntau yog tsim los ntawm cov ntaub ntawv nyoos ntau los ntawm carbonization, ua kom rov qab, thiab tom qab ntawd tsoo thiab sieving rau qhov yuav tsum tau ua kom tiav. Nws tseem tuaj yeem ua tau los ntawm kev ntxiv phau ntawv tsim nyog rau cov hmoov ua kom cov pa roj carbon monoxide thiab ua kom tsim nyog.
Cov Khoom Siv Hluav Taws Xob (Cylindrical Activated Carbon), Cov Pa Hluav Taws Xob (Cylindrical Activated Carbon), feem ntau hu ua Cylindrical Carbon, feem ntau yog tsim los ntawm cov hmoov nyoos thiab cov hlua khi los ntawm kev sib tov, extrusion, carbonization, kev ua kom zoo thiab lwm yam txheej txheem. Nws tseem tuaj yeem tau txuas nrog cov hmoov uas siv cov pa roj carbon thiab cov binder. Columnar cov pa roj carbon monoxide tuaj yeem muab faib ua cov khoom hauv cov khoob thiab khoob khoob. Hollow columnar carbon yog ib lossis ntau qhov dag dag hauv qhov dav dav carbon.
Spherical Activated Carbon: Spherical Activated Carbon yog cov pa roj carbon kheej kheej. Nws cov txheej txheem kev npaj zoo ib yam li cov pa roj carbon ntau ntawm cov pa roj carbon ntau, tab sis nws muaj cov txheej txheem kheej kheej. Nws tuaj yeem ua los ntawm cov kua roj carbon uas muaj cov ntaub ntawv raw los ntawm cov tshuaj tsuag granulation, oxidation, carbonization thiab ua kom rov ua haujlwm, thiab tseem tuaj yeem ua tiav los ntawm cov hmoov ua kom cov pa roj carbon thiab cov hlua khi. Spherical activated carbon kuj tseem muab faib ua cov khoom khov thiab hollow kheej kheej txais cov roj carbon.
Lwm yam duab ntawm cov pa roj carbon activated: Ntxiv rau cov hmoov ua kom cov pa roj carbon thiab pob zeb ua kom muaj pa roj carbon ntau, muaj lwm cov duab, xws li cov pa roj carbon fiber ntau, ua kom cov pa roj carbon fiber ntau, ua kom muaj cov pa roj carbon, honeycomb activated carbon, thiab lwm yam.
Thib ob, raws li daim ntawv thov sijhawm: Kev ua kom cov pa roj carbon fiber tau siv dav hauv yuav luag txhua qhov kev lag luam hauv kev lag luam hauv tebchaws thiab neeg lub neej. Vim tias qhov no, nws nyuaj heev rau kev faib cov pa roj carbon activated raws li cov sijhawm thov kev thov. Qhov teeb meem yog tib cov pa roj carbon activated yuav siv tau ntau zaus, thiab qee zaus nws tuaj yeem siv rau hauv ntau cov haujlwm. Cov pa roj carbon ua tiav tib lub hom phiaj. Cov neeg feem ntau tau txais kev paub txog kev ua kom cov pa roj carbon los ntawm kev thov, yog li cov roj carbon activated yog feem ntau siv raws li cov txheej txheem ua kom haum xeeb ntawm cov roj carbon activated. Xws li cov piam thaj activated carbon, txhaj cov pa roj carbon activated, monosodium glutamate activated carbon, dej ntxuav ua kom cov pa roj carbon thiab lwm yam.
Performance Performance Index of Activated Carbon
Cov cim kev ua tau zoo ntawm cov khoom siv roj carbon cov pa roj carbon monoxide tuaj yeem muab faib ua qhov ntsuas lub cev, ntsuas kev ua kom zoo nkauj thiab ntsuas qhov ntsuas kev ua haujlwm adsorption. Peb qhov ntsuas ua tau zoo rau kev ua
