کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
585176 | 1453189 | 2006 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Photodegradation of nitrobenzene using 172Â nm excimer UV lamp
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بهداشت و امنیت شیمی
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چکیده انگلیسی
Photodegradation of nitrobenzene (NB) using an excimer UV lamp at a wavelength of 172Â nm is investigated. Experimental results show that high concentration nitrobenzene can be efficiently degraded with irradiation by excimer UV lamp, and confirm that degradation of nitrobenzene is more efficient by UV/H2O2 combination than UV only. In the case of using UV only, 60Â min of treatment was found to be sufficient to degrade the major part of NB solution with a concentration of less than 4Â mM. In the case of using the combination of UV/H2O2 with a H2O2 concentration of 7:1 molar ratio to NB, 4.07Â mM NB solution drastically decreased to 0.41Â mM after treatment for only 20Â min. Degradation intermediate products are identified by analyzing the degradation products with GC/HRMS and possible degradation pathways of nitrobenzene are suggested.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 133, Issues 1â3, 20 May 2006, Pages 68-74
Journal: Journal of Hazardous Materials - Volume 133, Issues 1â3, 20 May 2006, Pages 68-74
نویسندگان
Qian-Rong Li, Cheng-Zhi Gu, Yan Di, Hao Yin, Jun-Ying Zhang,