Kodi mukudziwa chiyani za activated carbon?
Kodi kaboni wokonzedwa amatanthauza chiyani?
Kaboni wopangidwa ndi anthu ndi zinthu zachilengedwe zomwe zimapangidwa ndi mpweya wambiri. Mwachitsanzo, malasha, matabwa kapena kokonati ndi zinthu zabwino kwambiri zopangira izi. Chogulitsacho chimakhala ndi ma porosity ambiri ndipo chimatha kuyamwa mamolekyu a zinthu zoipitsa ndikuwagwira, motero chimayeretsa mpweya, mpweya ndi zakumwa.
Kodi ndi mitundu iti yomwe kaboni woyatsidwa ungaperekedwe?
Mpweya wopangidwa ndi activated carbon ungapangidwe m'mabizinesi mu mawonekedwe a granular, pelletized ndi ufa. Kukula kosiyanasiyana kumafotokozedwa kuti kugwiritsidwe ntchito mosiyanasiyana. Mwachitsanzo, pokonza mpweya kapena mpweya, kuletsa kuyenda kwa madzi kumayikidwa kunja, motero tinthu tating'onoting'ono timagwiritsidwa ntchito kuchepetsa kutayika kwa mphamvu. Pokonza madzi, pomwe njira yochotsera imakhala yocheperako, ndiye kuti tinthu tating'onoting'ono timagwiritsidwa ntchito kuti tiwongolere liwiro, kapena kinetics, ya njira yoyeretsera.
Kodi mpweya wopangidwa ndi activated carbon umagwira ntchito bwanji?
Kaboni yogwira ntchito imagwira ntchito mwa njira yotsamira. Izi ndi zokopa za molekyulu kupita pamwamba pa kaboni ndi mphamvu zofooka, zomwe zimadziwika kuti mphamvu za ku London. Molekyuluyo imakhala pamalo ake ndipo singachotsedwe, pokhapokha ngati zinthu zasintha, mwachitsanzo kutentha kapena kupanikizika. Izi zitha kukhala zothandiza chifukwa kaboni yogwira ntchito ingagwiritsidwe ntchito kuyika zinthu pamwamba pake zomwe pambuyo pake zimatha kuchotsedwa ndikubwezeretsedwanso. Kugwiritsa ntchito kaboni yogwira ntchito pobwezeretsa golide ndi chitsanzo chimodzi chodziwika bwino cha izi.
Nthawi zina, mpweya wopangidwa ndi activated carbon umakonzedwa ndi mankhwala kuti uchotse zinthu zoipitsa ndipo pankhaniyi, mankhwala omwe amatuluka sapezekanso.
Malo opangidwa ndi mpweya wa kaboni nawonso sali okhazikika kwathunthu, ndipo njira zosiyanasiyana zosinthira mpweya zimatha kuchitika pogwiritsa ntchito ndikugwiritsa ntchito bwino malo okulirapo amkati omwe alipo.
Kodi mpweya wokonzedwa ndi chiyani pa ntchito zake?
Ma carbon ogwiritsidwa ntchito ali ndi ntchito zosiyanasiyana kuyambira kusefa mpaka kuyeretsa ndi zina zotero.
M'zaka zaposachedwapa, kuchuluka kwa mavuto a kukoma ndi fungo m'madzi akumwa kwawonjezeka padziko lonse lapansi. Kupatula vuto la kukongola kwa ogula, izi nthawi zonse zimapangitsa kuti pakhale kusatsimikizika pankhani ya ubwino ndi chitetezo cha madzi. Mankhwala omwe amachititsa mavuto a kukoma ndi fungo amatha kukhala ndi chiyambi cha anthu (chotuluka m'mafakitale kapena m'mizinda) kapena chachilengedwe. Pankhaniyi, amapangidwa ndi tizilombo tating'onoting'ono monga cyanobacteria.
Mankhwala awiri odziwika bwino ndi geosmin ndi 2-methylisoborneol (MIB). Geosmin, yomwe ili ndi fungo la nthaka, nthawi zambiri imapangidwa ndi planktonic cyanobacteria (yomwe imayikidwa m'madzi). MIB, yomwe ili ndi fungo losasangalatsa, nthawi zambiri imapangidwa mu biofilm yomwe ikukula pamiyala, zomera zam'madzi ndi matope. Mankhwalawa amapezeka ndi maselo a fungo la anthu pamlingo wotsika kwambiri, ngakhale m'malo ochepa pa trilioni (ppt, kapena ng/l).
Njira zochizira madzi wamba nthawi zambiri sizingachotse MIB ndi geosmin pansi pa malire a kukoma ndi fungo lawo, zomwe zimapangitsa kuti mpweya wopangidwa ndi activated carbon ugwiritsidwe ntchito. Njira yodziwika bwino yogwiritsira ntchito ndi ufa wopangidwa ndi activated carbon (PAC), womwe umayikidwa mumtsinje wamadzi nthawi ndi nthawi kuti uthetse mavuto a kukoma ndi fungo.
Nthawi yotumizira: Marichi-04-2025