کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5146192 | 1497348 | 2017 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Hydrogen-rich gas production from pyrolysis of wet sludge in situ steam agent
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A series of wet sludge samples with different moisture contents were pyrolyzed in situ steam in a bench-scale fixed bed reactor in order to examine the influence of moisture and temperature on product distribution and gas composition. The results demonstrated that inherent moisture in wet sludge had a great effect on the product yield. The pyrolysis of wet sludge (43.38% moisture content) at 800 °C exhibited maximum H2 yield (7.76 mol kgâ1 dry basis wet sludge) and dry gas yield (0.61 Nm3 kgâ1) and H2 content of 42.13 vol%. When the moisture exceeded 43.38%, H2 yield and gas yield both tended to decline. It was also shown that the elevated temperature exhibited a significant influence on gas content increase and tar reduction; at the same time, H2 yield and H2 content were increased from 1.83 mol kgâ1 dry basis wet sludge and 16.67 vol% to 9.15 mol kgâ1 dry basis wet sludge and 45.67 vol%, respectively, as temperature increased from 600 °C to 850 °C. LHV of fuel gas varies from 15.49 MJ Nmâ3 to 11.65 MJ Nmâ3 because of decrease in CH4 and C2H4 content as temperature increasing. In conclusion, hydrogen rich gas production by pyrolysis of wet sludge which avoided pre-drying process and utilized in situ steam agent from wet sludge is an economic method.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 42, Issue 29, 20 July 2017, Pages 18309-18314
Journal: International Journal of Hydrogen Energy - Volume 42, Issue 29, 20 July 2017, Pages 18309-18314
نویسندگان
Siyi Luo, Jianxiang Guo, Yu Feng,