Abstract
The pyrolysis of a Yugoslavian oil shale was represented by three alternative mathematical models, based on single-step (SSM), two-step (TSM) and multistep (MSM) reaction schemes. The models were constructed using previously reported TG- as well as d.s.c.-derived kinetic parameters, obtained from the non-isothermal pyrolysis of different samples, assuming the influence of heat and mass transfer limitations could be neglected. The ability of the models to predict important effects of non-isothermal, as well as isothermal oil shale pyrolysis was investigated and compared. The complexity level of the pyrolysis representation is discussed with regard to the practical purpose of model application.
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