TY  - JOUR
N2  - In this study, a nonisothermal kinetics analysis of petcoke was performed at heating rates of 10, 15, and 20°C/min using thermal gravimetric analysis (TGA). The behaviour of petcoke at different gasification stages (dewatering, volatilization, char burning, and burnout) was studied. The effect of heating rate on the activation energy of petcoke gasification was also investigated. The activation energy of petcoke was estimated using different kinetic models that include volume reaction model (VRM), shrinking core model (SCM), random pore model (RPM), Coats and Redfern model (CRM), and normal distribution function (NDF). The NDF model was modified in this study. It was found that the experimental data were best fitted with the modified normal distribution function (MNDF) and SCM. The results also showed that activation energy decreases as heating rate increases, leading to reduction in gasification completion time. © 2019 Iman Eslami Afrooz and Dennis Ling Chuan Ching.
N1  - cited By 8
KW  - Distribution functions; Gasification; Gravimetric analysis; Heating rate; Kinetics; Normal distribution; Petroleum analysis; Petroleum coke; Thermogravimetric analysis
KW  -  Completion time; Kinetic analysis; Kinetic models; Modified model; Non-isothermal kinetic; Random pore model; Shrinking core model; Thermal gravimetric analyses (TGA)
KW  -  Activation energy
TI  - A Modified Model for Kinetic Analysis of Petroleum Coke
ID  - scholars12004
AV  - none
UR  - https://www.scopus.com/inward/record.uri?eid=2-s2.0-85075403460&doi=10.1155%2f2019%2f2034983&partnerID=40&md5=8df28759e91f10d0260e7bc962a30156
A1  - Afrooz, I.E.
A1  - Ching, D.L.C.
JF  - International Journal of Chemical Engineering
VL  - 2019
Y1  - 2019///
SN  - 1687806X
PB  - Hindawi Limited
ER  -