关键词：
bakelite
bagasse
coal
cocracking
petrocrop
petroleum vacuum residue
摘要：
In our previous article, Ahmaruzzaman and Sharma ( 2007), the cracking of petroleum vacuum residue ( XVR) and its coprocessing with thermoplastic and biomass ( Calotropis procera) has been discussed. This article deals with the studies on cocracking of XVR with thermosetting plastic, i. e., bakelite ( BL), Samla coal ( SC), biomass, i. e., bagasse ( BG) or C. procera ( CL) and their binary, ternary, and quaternary mixtures in a thermogravimetric analyzer ( TGA). The kinetic studies were performed using the Coats and Redfern kinetic modeling equation. The overall activation energies obtained were 25 kJ/mole for petroleum vacuum residue, 99 kJ/mole for polypropylene, 21 kJ/mole for coal, 23 kJ/mole for Calotropis procera, and 25 kJ/mole for the combination of these four materials. However, other models, such as van Krevelan et al. and Horowitz and Metzger have also been used in some cases to compare the results with those obtained by the Coats and Redfern kinetic models. In the present work, the effect of catalysts on the cracking of Basra vacuum residue ( BVR) has also been reported.
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