Zosefera za GAC ndi mtundu wa granular activated carbon yomwe imagwiritsidwa ntchito kwambiri mu RO madzi oyeretsa Pre-Sefa. Kuphatikiza apo, zopangira zazikulu za granular activated carbon zithanso kukhala chipolopolo cha apricot, chipolopolo cha mtedza, ndi zipolopolo zina za zipatso kapena malasha monga anthracite. Mpweya wokhazikika wopangidwa poyambitsa izi ngati zopangira zapanga ma pores ang'onoang'ono, koma kukula kwa ma pores awa sikuli kofanana. Malingana ndi kukula kwake, amagawidwa kukhala ma micropores pansi pa 2nm, macropores pamwamba pa 50nm, ndi mesopores pakati (Amatchedwanso kusintha hole). Ma pores ena amatha kufikira 1000nm
Malo owala:
1. 100% koyera PP zakuthupi
2. Integrated kapu
3. Zida zapamwamba
4. Mkulu khalidwe adamulowetsa mpweya
Fyuluta ya GAC - Granular Activated Carbon (85% ~ 90% ya granular activated carbon) amagwiritsidwa ntchito pochiza madzi ndi mankhwala adsorption. Kukula kwake ndi 500 ~ 5000μm. Kapangidwe ka pore ka GAC nthawi zambiri kumakhala ndi magawo atatu amwazikana pore, omwe ali ndi The International Society for Pure and Applied Chemistry (IUPAC) imayika ma macropores okhala ndi pore m'mimba mwake kuposa 50 nm, komanso ma mesopores (ma pores osinthika) okhala ndi mainchesi 2.0 mpaka 50 nm ndi ma micropores okhala ndi mainchesi ochepera 2.0 nm.
1. The Zosefera za GAC chinthu chitha kuphatikizidwa ndikudzaza ndi zinthu zosefera kaboni ndi siponji yopangidwa mwapadera mkati.Wosanjikiza wosungunula wa PP kumapeto kwa 20um amatha kuletsa tinthu tating'onoting'ono kuti tisatuluke.
2.Zosefera za GACimatha kusefa mitundu yosiyanasiyana, zonunkhiritsa, zotsalira za klorini, zinthu za colloidal, ndi zinthu zomwe zimasokonekera m'madzi.
3.Zosefera za GACimatha kulepheretsa kukula kwa mabakiteriya.