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AOPs for treatment of wastewater contaminated by chlorinated hydrocarbons (CROSBI ID 505755)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Koprivanac, Natalija ; Lončarić Božić, Ana ; Peternel, Igor ; Vujević, Dinko AOPs for treatment of wastewater contaminated by chlorinated hydrocarbons // Soil Sediments and Water / Kostecki, Paul T. ; Calabrese, Edward J. (ur.). 2005

Podaci o odgovornosti

Koprivanac, Natalija ; Lončarić Božić, Ana ; Peternel, Igor ; Vujević, Dinko

engleski

AOPs for treatment of wastewater contaminated by chlorinated hydrocarbons

Chlorophenols constitute a group of organic substances which are introduced into the environment as a result of several man-made activities, such as water disinfection, waste incineration, uncontrolled used of pesticides and herbicides, and also as by-products in the bleaching of paper pulp with chlorine. The chemical oxidation of toxic and hazardous organic pollutants such as chlorinated compounds, which are frequently present in surface waters and wastewaters, is often carried out by using single oxidants such as ozone, UV radiation, hydrogen peroxide, etc. Some systems based on the generation of very reactive and oxidizing free radicals, especially hydroxyl radicals, have experimented an increasing interest due to their high oxidant power. Advanced Oxidation Processes (AOPs) are a group of treatment processes where the production of hydroxyl radicals radicals is achieved by input of electrical, chemical or radiative energy into the water matrix. In this paper, three different AOPs for the oxidation of 4-chlorophenol in an aqueous solution were compared ; Fenton (Fe(II)/H2O2), Ozone (O3) and Peroxone (O3/H2O2) processes. The influence of zeolites NH4ZSM5 and HY to degradation processes has been examined. The effects of the pH value, hydrogen peroxide and zeolites concentrations on elimination of 4-chlorophenols solution have been evaluated. Process efficiency was estimated on the basis of TOC measurements and HPLC analysis.

AOPs; ozonization; peroxone; zeolites

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Podaci o prilogu

2005.

objavljeno

Podaci o matičnoj publikaciji

Soil Sediments and Water

Kostecki, Paul T. ; Calabrese, Edward J.

Podaci o skupu

The 15th Annual AEHS Meeting and West Coast Conference on Soils, Sediments and Water

poster

14.03.2005-17.03.2005

San Diego (CA), Sjedinjene Američke Države

Povezanost rada

Kemijsko inženjerstvo