CFD modelling results are presented for a flat-bottomed tank with a pitched blade turbine impeller and four baffles. Six turbulence models, i.e. the standard k-epsilon, the RNG k-epsilon, the realizable k-epsilon, the Chen-Kim k-epsilon, the optimized Chen-Kim k-e and the Reynolds stress model were used in the modelling. The simulated values of the tangential and axial mean velocity components along with the kinetic energy of turbulence were compared for the wall jet region with the corresponding experimental data from LDA. The best results were obtained for the standard k-epsilon model with a good accuracy for the mean velocity and a significant underprediction of the turbulent kinetic energy.