کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
244138 501943 2011 8 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Interactions and kinetic analysis of oil shale semi-coke with cornstalk during co-combustion
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی مهندسی انرژی و فناوری های برق
پیش نمایش صفحه اول مقاله
Interactions and kinetic analysis of oil shale semi-coke with cornstalk during co-combustion
چکیده انگلیسی

The combustion experiments of oil shale semi-coke from Wang Qing retorts, cornstalk as well as their mixture were conducted under different heating rates using the thermogravimetric analyzer. The results showed that the advance ignition and burnout can be achieved when semi-coke was mixed with cornstalk. Derivative thermogravimetric curve of the experiment was compared with that of the calculated. The values of interaction index were solved. The interaction of mixture in the combustion process occurred mainly in 400–600 °C. It can be explained that the combustion of fixed carbon in cornstalk was delayed. The kinetics of combustion was studied for samples. The activation enthalpy, activation entropy and free energy of activation were analyzed by Kissinger–Akahira–Sunose equation and distributed activation energy model based on Eyring rate constant. The free energy of activation decreased with the addition of cornstalk proportion in the mixture. The results showed the feasibility using Johnson–Mehl–Avrami equation to simulate thermogravimetric curve. The representation of free energy of activation simulated agrees with that solved by Kissinger–Akahira–Sunose equation.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Energy - Volume 88, Issue 6, June 2011, Pages 2080–2087
نویسندگان
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