Research on the kinetics of catalyst coke formation during biomass catalytic pyrolysis: A mini review

Catalytic pyrolysis of biomass is a promising method to convert biomass feedstock into high-value products. However, coke formation on catalysts causes the severe deactivation and blocked the development of this technology. Therefore, it is essential to understand the kinetic properties of coke formation and it is helpful for the optimization of reaction conditions and the preparation of valuable chemicals. This paper reviews the recently proposed kinetics of coke formation on catalysts during the biomass pyrolysis and the mechanism of coke formation was also discussed. The kinetic models based on reaction mechanism (lumped parameter models, monolayer-multilayer coke growth models, etc.) and the general kinetic models (linear models, power law models, Weibull distribution models, etc.) are covered in this review. At last, this review is concluded with outlook for future directions of kinetics of coke formation during the biomass pyrolysis.