Disinfection by-products precursors removal by enhanced coagulation and PAC adsorption

Vedat Uyak*, Sema Yavuz, Ismail Toroz, Sahin Ozaydin, Esra Ates Genceli

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

101 Atıf (Scopus)

Özet

Because of concerns over the health effects of disinfection by-products (DBPs), the removal of DBPs precursors from the Terkos Lake water (TLW) of the Istanbul City by enhanced coagulation and powdered activated carbon (PAC) adsorption was investigated. The results of this study clearly indicated that the effects of coagulation and PAC adsorption on the removal of dissolved organic carbon (DOC) and DBPs precursors from TLW were complementary. Maximum DOC removal efficiency of enhanced coagulation by ferric chloride was 45%, and this type of natural organic matter (NOM) is preferentially large organic molecules with negatively charged functional groups. However, supplementing enhanced coagulation with PAC adsorption increased the removal of DOC to 76%, and PAC adsorption removed mostly low molecular weight and uncharged NOM substances. This study shows that the combination of enhanced coagulation and PAC adsorption can be more effective than enhanced coagulation alone for meeting the Turkish trihalomethanes (THM) limit of 150 μg/L.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)334-344
Sayfa sayısı11
DergiDesalination
Hacim216
Basın numarası1-3
DOI'lar
Yayın durumuYayınlandı - 5 Eki 2007

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