کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5147941 1497362 2017 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Hydrogen production by non-catalytic partial oxidation of coal in supercritical water: The study on reaction kinetics
موضوعات مرتبط
مهندسی و علوم پایه شیمی الکتروشیمی
پیش نمایش صفحه اول مقاله
Hydrogen production by non-catalytic partial oxidation of coal in supercritical water: The study on reaction kinetics
چکیده انگلیسی
Supercritical water gasification (SCWG) has attracted great attention for efficient and clean coal conversion recently. A novel kinetic model of non-catalytic partial oxidation of coal in supercritical water (SCW) that describes formation and consumption of gas products (H2, CO, CH4 and CO2) is reported in this paper. The model comprises 7 reactions, and the reaction rate constants are obtained by fitting the experimental data. Activation energy analysis indicates that steam reforming of fixed carbon (FC) is the rate-determining step for the complete gasification of coal. Once CH4 is produced by pyrolysis of coal, steam reforming of CH4 will be the rate-determining step for directional hydrogen production.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 42, Issue 15, 13 April 2017, Pages 9660-9666
نویسندگان
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