کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7044259 | 1456997 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Degradation of Acid Orange 7 by persulfate activated with zero valent iron in the presence of ultrasonic irradiation
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تصفیه و جداسازی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Degradation of Acid Orange 7 by persulfate activated with zero valent iron in the presence of ultrasonic irradiation Degradation of Acid Orange 7 by persulfate activated with zero valent iron in the presence of ultrasonic irradiation](/preview/png/7044259.png)
چکیده انگلیسی
The removal of Acid Orange 7 by zero-valent iron (Fe0) activated sodium persulfate (Na2S2O8, PS) in the presence of ultrasonic irradiation (US) was performed in this study. The effects of persulfate concentration, zero valent iron addition, ultrasonic power and initial pH on the decolorization rate of Acid Orange 7 were investigated. The results showed that the decolorization rate increased with an increase in persulfate concentration from 0.1 to 0.5Â g/L, an increase in zero valent iron amount from 0.1 to 0.5Â g/L, and an increase in ultrasonic power from 40 to 60Â W. But further increase in persulfate concentration, zero valent iron addition and ultrasonic power would result in an unpronounced increase of decolorization rate. The optimal initial pH for decolorization was found as 5.8. The maximum decolorization efficiency of 96.4% was achieved within 20Â min with persulfate concentration of 0.3Â g/L, zero valent iron concentration of 0.5Â g/L, initial pH value of 5.8 and ultrasonic power of 60Â W.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Separation and Purification Technology - Volume 122, 10 February 2014, Pages 41-46
Journal: Separation and Purification Technology - Volume 122, 10 February 2014, Pages 41-46
نویسندگان
Xue Wang, Liguo Wang, Jiangbo Li, Juanjuan Qiu, Chun Cai, Hui Zhang,