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Coal briquettes are manufactured with this mixing-heating apparatus. It includes a spiral vane positioned on the outer surface of rotation shaft for mixing raw materials along guideways of axial direction and a heating method for heating the raw materials. Heating is done inside the rotation shaft by passing the heating medium through a hollow pipe and injection nozzles installed on the rotation shaft. The injection nozzles of the heating medium are adjacently fitted along the axial direction of non-guiding surface of the vane and the direction of nozzle injection is positioned towards the moving direction of the shaft.
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A QI-free coal tar pitch with a softening point around 80Β°C was air blown in an autoclave at 330", 360", and 38O"C, respectively, for various periods in order to prepare a pitch precursor for GPCF. Air blowing markedly increased the softening point and contents of solvent insoluble fractions such as
between the bimodal gamma pore size distribution and DFT-cumregularization based pore size distribution is also observed, supporting the validity of the proposed model. Moreno-Castilla, C. et al. Carbon, 2001, 39, (9), 1415-1420. Olive-mill waste water is produced in large quantities during the manu