Activated Carbon Classification thiab Key Applications
Taw qhia
Cov pa roj carbon activated yog ib daim ntawv uas muaj cov pa roj carbon ntau nrog thaj tsam loj, ua rau nws muaj qhov zoo tshaj plaws adsorbent rau ntau yam kab mob. Nws lub peev xwm los ntxiab impurities tau ua rau kev siv dav hauv ib puag ncig, kev lag luam, thiab kev siv kho mob. Kab lus no tshawb txog nws qhov kev faib tawm thiab kev siv tseem ceeb hauv kev nthuav dav.
Txoj kev tsim khoom
Cov pa roj carbon activated yog tsim los ntawm cov ntaub ntawv uas muaj cov pa roj carbon zoo li txiv maj phaub plhaub, ntoo, thee, los ntawm ob txheej txheem tseem ceeb:
- Carbonization- Cua sov cov khoom siv raw hauv qhov chaw tsis muaj oxygen kom tshem tawm cov tshuaj tsis haum.
- Ua kom- Txhim kho porosity ntawm:
Kev ua kom lub cev(siv chav los yog CO₂)
Tshuaj tua kab mob(siv cov kua qaub lossis cov hauv paus zoo li phosphoric acid lossis potassium hydroxide)
Qhov kev xaiv ntawm cov khoom siv thiab kev ua kom muaj zog txiav txim siab cov pa roj carbon cov khoom kawg.
Kev faib tawm ntawm Activated Carbon
Cov pa roj carbon activated tuaj yeem raug cais raws li:
1. Daim ntawv lub cev
- Powdered Activated Carbon (PAC)- Cov khoom zoo (<0.18 hli) siv hauv kev kho cov kua-theem, xws li dej purification thiab decolorization.
- Granular Activated Carbon (GAC)- Cov granules loj (0.2-5 mm) siv rau hauv cov pa roj thiab dej pom.
- Pelletized Activated Carbon- Compressed cylindrical pellets rau huab cua thiab vapor-phase daim ntawv thov.
Cov pa roj carbon fiber ntau (ACF)- Daim ntaub los yog ntaub ntaub, siv rau hauv cov qhov ncauj qhov ntswg tshwj xeeb thiab hnyav rov qab.
- 2. Cov khoom siv
- Txiv maj phaub plhaub-raws li- Siab microporosity, zoo tagnrho rau cov pa roj adsorption (xws li, lub tshuab ua pa, kub rov qab).
- Ntoo-raws li- Cov pores loj dua, feem ntau siv rau hauv decolorizing kua zoo li qab zib syrups.
- Coal-based- Nqi-zoo, dav siv hauv kev lag luam cua thiab dej kho.
3. Pore Loj
- Microporous (<2 nm)- Siv tau rau cov khoom me me (piv txwv li, cov roj cia, VOC tshem tawm).
- Mesoporous (2-50nm)- Siv nyob rau hauv loj molecule adsorption (xws li, dye tshem tawm).
- Macroporous (> 50 nm)- Ua raws li kev lim dej ua ntej los tiv thaiv kev txhaws hauv cov kua dej.
- Haus Dej Purification- Tshem tawm cov tshuaj chlorine, cov kab mob organic, thiab cov ntxhiab tsw phem.
- Kev kho dej khib nyiab- Lim cov khoom siv hluav taws xob, tshuaj, thiab cov hlau hnyav (xws li mercury, lead).
- Aquarium Filtration- Khaws cov dej huv los ntawm adsorbing co toxins.
2. Cua & Gas Purification
- Sab Hauv Tsev Cua Lim- Cuam tshuam cov organic tebchaw (VOCs), pa taws, thiab ntxhiab tsw.
- Kev Siv Hluav Taws Xob Hluav Taws Xob- Tshem tawm cov pa phem xws li hydrogen sulfide (H₂S) los ntawm refinery emissions.
- Automotive Applications- Siv nyob rau hauv tsheb cabin cua lim thiab roj vapor rov qab systems.
3. Kev Siv Tshuaj & Tshuaj
- Tshuaj lom & tshuaj ntau dhau- Cov tshuaj tiv thaiv thaum muaj xwm txheej ceev rau kev siv tshuaj ntau dhau (piv txwv li, cov ntsiav tshuaj hluav taws xob hluav taws xob).
- Hnav khaub ncaws- Antimicrobial activated carbon fibers tiv thaiv kab mob.
4. Kev lag luam zaub mov & dej haus
- Decolorization- Refines qab zib, zaub roj, thiab dej cawv.
- Flavour Enhancement- Tshem tawm qhov tsis xav tau ntawm cov dej haus thiab kua txiv hmab txiv ntoo.
5. Muaj & Kev Siv Tshwj Xeeb
- Kub rov qab- Extracts kub los ntawm cyanide daws nyob rau hauv mining.
- Solvent Recycling- Rov qab acetone, benzene, thiab lwm yam tshuaj.
- Gas Cia- Khaws methane thiab hydrogen hauv kev siv hluav taws xob.
Xaus
Cov pa roj carbon activated yog cov khoom siv ntau yam nrog lub luag haujlwm tseem ceeb hauv kev tiv thaiv ib puag ncig, kev kho mob, thiab kev lag luam. Nws txoj kev ua tau zoo nyob ntawm nws daim ntawv, cov khoom siv, thiab cov qauv pore. Cov kev nce qib yav tom ntej yog txhawm rau txhim kho nws txoj kev ruaj khov, xws li tsim tawm los ntawm kev ua liaj ua teb pov tseg lossis txhim kho cov txheej txheem rov tsim dua tshiab.
Raws li cov teeb meem thoob ntiaj teb xws li dej tsis txaus thiab huab cua muaj kuab paug hnyav zuj zus, cov pa roj carbon activated yuav txuas ntxiv ua lub luag haujlwm tseem ceeb. Cov ntawv thov yav tom ntej tuaj yeem nthuav dav mus rau hauv cov chaw tshiab xws li cov pa roj carbon capture rau kev hloov pauv huab cua los yog cov tshuab pom zoo rau kev tshem tawm microplastic.
Peb yog cov chaw muag khoom tseem ceeb hauv Suav teb, rau tus nqi lossis cov ntaub ntawv ntau ntxiv txais tos hu rau peb ntawm:
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Post lub sij hawm: Lub Xya hli ntuj-10-2025