Naslov
Fenton type processes for minimization of organic content in coloured wastewaters: Part II: combination with zeolites

Autori
Kušić, Hrvoje ; Lončarić Božić, Ana ; Koprivanac, Natalija ; Papić, Sanja

Izvornik
Dyes and Pigments (0143-7208) 74 (2007), 2; 388-395

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
coloured wastewater; Reactive Blue 49; Reactive Blue 137; Fenton process; Fenton

Sažetak
Addition of solid particles, synthetic zeolites NH4ZSM5 and HY, to enhance efficiency of AOPs for dye wastewater treatment was investigated. Experiments were conducted at the optimal operating parameters for each Fenton type process and studied coloured pollutants established in the Part I of this study in order to find optimal dose of applied zeolites and understand their role in new combined AOPs. Degradation of studied dyes, C.I. Reactive Blue 49 and C.I. Reactive Blue 137 was monitored by the means of UV/VIS, TOC and AOX analysis, thus determining decolourization and mineralization extents of model solutions. Organic content adsorbed onto applied zeolites after the treatment was scanned and characterized using FT-IR spectrophotometer. Applied AOPs in combination with zeolites are shown to be very successful in colour removal, over 98 %, similarly like Fenton type processes reported in Part I of this study, while improvements in mineralization of studied dyes were depend on type and dose of zeolite, as well as dye structure and type of applied AOP.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo

POVEZANOST RADA