Laboratory Study for thr Fenton and Photo-Fenton Oxidation Treatment of LAS Surfactant Wastewater (CROSBI ID 531137)
Prilog sa skupa u zborniku | sažetak izlaganja sa skupa
Podaci o odgovornosti
Papić, Sanja ; Koprivanac, Natalija ; Peternel, Igor ; Vujević, Dinko ; Grčić, Ivana
engleski
Laboratory Study for thr Fenton and Photo-Fenton Oxidation Treatment of LAS Surfactant Wastewater
The present study is to investigate the treatment of surfactant wastewater by the advanced oxidation processes of Fenton type. Synthetic solutions of linear alkylbenzene sulfonate (LAS) are treated in the work as this is a model compound commonly used in the formulation of detergents, with great presence in urban and industrial wastewaters. Experiments were conducted at LAS concentration of 100 mg/l. The mineralization of LAS synthetic wastewater has been studied using Fe2+/H2O2, Fe3+/H2O2, Fe2+/H2O2/UV and Fe3+/H2O2/UV processes. The extent of mineralization was followed monitoring total organic carbon concentrations (TOC). Batch experiments for Fenton and photo-Fenton oxidation were performed in water jacked cylindrical reactor of 500 ml capacity. For photo-Fenton oxidation a low pressure mercury lamp (125 W) which emits at 254 nm was used. Experiments were carried out to investigate the processes optimal operational conditions: H2O2 dosage, Fe2+ and Fe3+ dosage, optimal Fe2+/H2O2 and Fe3+/H2O2 ratios. Mineralization rates in all processes were determined. The mineralization of LAS expressed as a percentage of TOC remaining after treatment (TOC/TOC0, %) was: 53 % for Fe2+/H2O2, 51 % for Fe2+/H2O2/UV, 67 % for Fe3+/H2O2, and 48 % for Fe3+/H2O2/UV process with 0, 005 M Fe2+ or Fe3+ dosage and 1 : 20, Fe2+ or Fe3+/ H2O2 molar ratio.
wastewater treatment; AOPs; Fenton type processes; UV irradiation
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
Podaci o prilogu
103-x.
2007.
objavljeno
Podaci o matičnoj publikaciji
Book of Abstracts of 2nd International Symposium on Environmental Management
Koprivanac, Natalija ; Kušić, Hrvoje
Zagreb: Fakultet kemijskog inženjerstva i tehnologije Sveučilišta u Zagrebu
978-953-6470-33-4
Podaci o skupu
2nd International Symposium on Environmental Management
poster
01.01.2007-01.01.2007
Zagreb, Hrvatska