Simulation and optimization of entrained-flow air-steam gasification of brown coals
Keywords:gasification, brown coal, mathematical modelling, optimization
A mathematical model was used to estimate the achievable efficiency of brown coals gasification in air-steam atmosphere. The optimal conditions for gasification were determined, the values of the cold gas efficiency and the produced gas composition were obtained. The dependence of the underburning carbon yield on the conversion conditions was established. The results obtained can be used to assess the technical and economic performance of thermal power plants with integrated gasification combined cycle (IGCC) fed by brown coals.
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