کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7045489 1457092 2018 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Co-gasification of petroleum coke-biomass blended char with steam at temperatures of 1173-1373 K
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
Co-gasification of petroleum coke-biomass blended char with steam at temperatures of 1173-1373 K
چکیده انگلیسی
The co-gasification properties of petroleum coke (PC) and biomass char (BC) were investigated by isothermal thermogravimetric method under steam atmosphere. The physical and chemical structure features were also systematically tested. The high carbonaceous structure ordering, low specific surface area and ash content were the main reasons for the low reactivity of PC, and the addition of BC improved the reactivity of blended char. The synergistic effect existed and was the most obvious when the proportion of BC was 20%. Three nth-order models were used to interpret the carbon conversion data. The RPM was slightly better than that of the VM and URCM. Furthermore, the synergetic effect was also observed from the kinetics data calculated by RPM. The apparent activation energy of PC and BC gasification was 74.3 kJ/mol and 70.5 kJ/mol, whereas, the lowest value for blended char was 49.6 kJ/mol when the proportion of BC was 40%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 137, 5 June 2018, Pages 678-688
نویسندگان
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