Fa'avasegaina o le Kaponi Fa'agaoioi ma Talosaga Autu
Folasaga
O le kaponi fa'agaoioi o se ituaiga sili ona porous o le kaponi ma se vaega tele o luga, ma avea ma adsorbent sili ona lelei mo le tele o mea leaga. O lona malosi e maileia ai mea eleelea ua taʻitaʻia ai le faʻaogaina lautele i le siosiomaga, fale gaosi oloa, ma faʻafomaʻi. O lenei tusiga o loʻo suʻesuʻeina lona faʻavasegaina ma faʻaoga autu i auiliiliga.
Metotia o gaosiga
O le kaponi fa'agaoioi e faia mai mea e tele kaponi e pei o atigi popo, fafie, koale, e ala i auala autu e lua:
- Carbonization– Fa'avevela mea mata'utia i totonu ose si'osi'omaga e leai se okesene e aveese ai mea fa'afefiloi.
- Fa'ato'aga- Faʻaleleia le porosity e ala i:
Fa'atosinaina o le tino(fa'aaogā ausa po'o le CO₂)
Fa'agaioiina o vaila'au(fa'aogaina o vaila'au po'o fa'avae pei ole phosphoric acid po'o le potassium hydroxide)
O le filifiliga o meafaitino ma le fa'agaoioiga auala e fuafua ai mea mulimuli o le carbon.
Fa'avasegaina o le Carbon Activated
E mafai ona fa'avasegaina le carbon activated e fa'atatau i:
1. Tulaga Faaletino
- Kaponi Fa'agaoioi Fa'ameamea (PAC)– O vaega laiti (<0.18 mm) o lo'o fa'aaogaina i togafitiga vai-vaega, e pei o le fa'amamāina o le vai ma le fa'aleaogaina.
- Kaponi Fa'agaoioi Fa'ama'i (GAC)– Fa'ato'a tetele (0.2-5 mm) fa'aaogaina i le kesi ma vai fa'amama vai.
- Pelletized Activated Carbon– Pellet fa'aigoa fa'a'umi'umi mo le fa'aogaina o le ea ma le ausa.
Fa'ato'a fa'agaoioi a'apa kaponi (ACF)- Ie po'o foliga lagona, fa'aoga i masini kesi fa'apitoa ma toe fa'aleleia.
- 2. Punaoa
- Fa'avae A'u popo- maualuga microporosity, lelei mo adsorption kesi (faataitaiga, respirators, toe faaleleia auro).
- Fa'avae Laau– Lapopoa pores, e masani ona fa'aaoga e fa'ateteina ai le vai e pei o suka suka.
- Fa'avae Koale- Tau-lelei, faʻaaogaina lautele i fale gaosi oloa ma togafitiga vai.
3. Pore Tele
- Microporous (<2 nm)- Lelei mo molelaʻau laiti (faʻataʻitaʻiga, teuina o kesi, aveese VOC).
- Mesoporous (2–50 nm)– Fa'aaogā i mole mole lapo'a fa'apipi'i (fa'ata'ita'iga, aveese le vali).
- Macroporous (>50 nm)- Fa'atino e pei o se fa'amama muamua e puipuia ai le pipii i vai togafitiga.
- Fa'amama Suavai Inu– Aveese le chlorine, mea fa'aletino, ma manogi leaga.
- Togafitiga Suavai Lafoai– Fa'amama le suavai leaga, vaila'au, ma metala mamafa (fa'ata'ita'iga, mercury, lead).
- Fa'amamaina o le Aquarium– Fa'atumauina le vai mama e ala i le fa'afefeteina o mea oona.
2. Fa'amamaina o le Ea & Kasa
- Filifiliga Ea i totonu– Mailei o mea fa'aola (VOCs), asu, ma manogi.
- Fa'amama kasa fa'apisinisi– Aveese mea filogia e pei o le hydrogen sulfide (H₂S) mai le fa'amamāina o mea.
- Ta'avale Ta'avale– Fa'aaogaina i totonu o le faleta'avale ea faamama ma suau'u ausa toe fa'aleleia faiga.
3. Fa'aaogāga Fa'afoma'i & Fa'afoma'i
- Togafitiga oona & Ova– Fa'alavelave fa'afuase'i mo vaila'au fa'asā (fa'ata'ita'iga, papa malala fa'agaoioi).
- Lafu Manu'a– Antimicrobial activated carbon fiber e puipuia ai fa'ama'i pipisi.
4. Alamanuia Taumafa & Meainu
- Fa'alilolilo- Faʻamamaina suka, suauʻu fualaau faisua, ma meainu 'ava malosi.
- Fa'aleleia o Tofo– Aveese le tofo le mana'omia i vai inu ma sua.
5. Alamanuia & Fa'aaogā Fa'apitoa
- Fa'afouga Auro– Aveese auro mai vaifofo cyanide i le eliina.
- Toe fa'aaogaina ole Solvent- Toe maua le acetone, benzene, ma isi vailaʻau.
- Teuga kesi– Teuina methane ma le hydrogen i fa'aoga malosi.
Fa'ai'uga
O le kaponi fa'agaoioia ose mea fa'apitoa e iai sona sao taua i le puipuiga o le si'osi'omaga, tausiga fa'alesoifua maloloina, ma faiga fa'apisinisi. O lona aoga e fa'alagolago i lona foliga, mea fa'apogai, ma le fausaga pore. O le aga'i i luma i le lumana'i e fa'amoemoe e fa'aleleia lona fa'atumauina, e pei o le gaosia mai otaota fa'ato'aga po'o le fa'aleleia atili o metotia fa'afouina.
A'o fa'atupula'ia lu'itau fa'alelalolagi e pei o le utiuti o le vai ma le fa'aleagaina o le ea, o le a fa'aauau pea ona fai se sao taua o le carbon activated. O talosaga i le lumana'i e mafai ona fa'alautele atu i fa'alapotopotoga fa'alauiloa e pei o le pu'eina o kaponi mo le fa'aitiitia o suiga o le tau po'o faiga fa'amama fa'alelei mo le aveeseina o microplastic.
O matou o le kamupani autu i Saina, mo le tau poʻo nisi faʻamatalaga faʻafeiloaʻi e faʻafesoʻotaʻi ma i matou i:
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