کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4417633 | 1308058 | 2005 | 13 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Advanced oxidation of 4-chlorobenzaldehyde in water by UV-light, ozonation and combination of both methods
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موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم محیط زیست
شیمی زیست محیطی
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چکیده انگلیسی
A comparative study was performed on the oxidizing degradation of 4-ClBzAl (used a model pollutant in water) by photolysis (λ=253.7 nm), ozonation and by combination of both methods. The resulting yields of the degradation products (Cl− ions, aldehydes, carboxylic acids) were investigated as a function of UV-dose and action of ozone. The product yields were determined by HPLC-analysis and their initial quantum yields (Qi) were calculated. Based on the results, it was shown that the synergistic action of UV-irradiation and ozone leads to a more efficient degradation of 4-ClBzAl. For explanation of the experimental results probable reaction mechanisms are suggested.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemosphere - Volume 36, Issue 9, April 1998, Pages 1993-2005
Journal: Chemosphere - Volume 36, Issue 9, April 1998, Pages 1993-2005