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Review of gasification modelling and equilibrium model implementation to predict rice husk syngas composition Gasification

In West Africa, biomass has a large potential as a source of renewable energy. One of the best ways to upgrade biomass is through gasification process which stands out as one of the most promising technologies for green power production. In West Africa’s economic context, fixed bed downdraft reactor has real advantages because of it energy efficiency and it applicability to small power units. The challenge of developing and implementing this type of gasifier is the optimization of the process. To that end, different models exist and can allow to apprehend the processes of thermochemical transformation of biomass and physical parameters influencing the reactions within the gasifier. For this study, we implemented the equilibrium model which gives a prediction of the syngas species percentage. For the two main species of syngas, the volume fraction of carbon monoxide was 20% while dihydrogen was 11% for an equivalence ratio of 0.3.