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Prediction of gas composition of Jatropha curcas Linn oil cake in entrained flow reactors using ASPEN PLUS simulation software

A prediction for product gases of Jatropha curcas Linn (JCL) oil cake gasified in the entrained flow reactor is studied in this paper. ASPEN PLUS commercial software is used to carry out the simulation using Gibbs free energy minimisation with equilibrium phase. A series of simulations and analyses have been carried out to investigate the composition of product gases in JCL oil cake with reactor temperature ranging from 1000 to 1400°C. In the first prediction step, the gas composition of sawdust and rice husk are validated. After this, the simulation model is used to predict JCL oil cake gas composition. Mean error analysis is carried out to identify the maximum and minimum error of the simulation. The results show that with increasing reactor temperature, the amount of carbon monoxide (CO) and hydrogen (H2) increases while the amount of carbon dioxide (CO2) and methane (CH4) decreases. The results of the gas composition of JCL oil cake show that the CO content at a temperature of 1000°C ranges from 41.35% to 53.36%. Composition of other gases such as hydrogen (H2), carbon dioxide (CO2), methane (CH4) is 24.65–32.7%, 4.4–22.99% and 0.94%–19.62%, respectively.