کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
585182 | 1453189 | 2006 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
In-situ degradation of sulphur mustard and its simulants on the surface of impregnated carbon systems
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بهداشت و امنیت شیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: In-situ degradation of sulphur mustard and its simulants on the surface of impregnated carbon systems In-situ degradation of sulphur mustard and its simulants on the surface of impregnated carbon systems](/preview/png/585182.png)
چکیده انگلیسی
Bis-2-chloroethyl sulphide (sulphur mustard or HD) is an extremely toxic and persistent chemical warfare agent. For in situ degradation of HD and its analogues (simulants), i.e., dibutyl sulphide (DBS) and ethyl 2-hydroxyethyl sulphide (HEES), different carbon systems such as 11-molybdo-1-vanadophosphoric acid impregnated carbon (V1/C), ruthenium chloride impregnated carbon (Ru/C) and combination of these two (V1/Ru/C) were prepared. These carbons were characterized for cumulative micropore volume and surface area by N2 BET. The kinetics of the in situ degradation of HD and its simulants were studied and found to be following the first order kinetics. Kinetic rate constants and t1/2 values were determined. Products were characterized using NMR, IR and GC-MS. Reaction products were found to be sulphoxide and sulphone. The combined system, i.e., 11-molybdo-1-vanadophosphoric acid plus ruthenium chloride (V1/Ru/C) was found to be best for in-situ degradation of HD and its simulants. In-situ degradation by polyoxometalate based system was found to be stoichiometry based while Ru/C oxidized HD in presence of chemisorbed oxygen. In combined system of V1/Ru/C ruthenium worked as a catalyst and polyoxometalate acted as a source of oxygen. Effect of moisture was also studied in combined system. Rate of degradation of HD was found to be increasing with increased percentage of moisture content.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 133, Issues 1â3, 20 May 2006, Pages 106-112
Journal: Journal of Hazardous Materials - Volume 133, Issues 1â3, 20 May 2006, Pages 106-112
نویسندگان
Abha Sharma, Amit Saxena, Beer Singh, Mamta Sharma, Malladi Venkata Satya Suryanarayana, Rajendra Prasad Semwal, Kumaran Ganeshan, Krishnamurthy Sekhar,