Abstract The presentation work contains the results, which were attained on the laboratory sintering pan with the simulating of production the agglomerate. On this laboratory sintering pan are sufficiently simulating conditions, which are present in the sinter band. On the basis of the theoretical analyse, analysis measuring data, computing of the balance, production, qualitative and quantitative parameters of the sintering process we can conclude, that in the case of changing under pressure sucking air are influenced main production parameters in the process of agglomerate production (for example recovery, productivity, coefficient of productivity, etc.). This laboratory sintering pan sufficiently simulates conditions present on the sinter belt in relation to the production of CO, CO2, NOx, SOx and solid polluting substances in the sintering process. The significant decrease of emissions can be achieved through minimization of the fuel content in the sintering charge. In connection with high basicity requirements for current agglomerates it is necessary to keep their iron content. This requirement can be met by increasing the content of concentrates in sinter mixtures. For this purpose in view laboratory sintering tests were performed to investigate the effect of sintering ores and concentrates on the agglomeration process and its products. The experiment results were analyzed and summarized in the present paper.