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The production of precipitated calcium carbonate, PCC, by a semicontinuous process of slaked lime carbonation was performed in a bench-scale chemical reactor, fully controlled by means of custom built electronics and software for the personal computer. Calcite crystals, with different characteristic morphologies (rhombohedral, truncated prismatic, scalenohedral, spheroidal or chain-like agglomerates)...
The influence of time and temperature of ageing of the amorphous gel precursor (2.5Na 2 O-8TPABr-60SiO 2 -800H 2 O) on the particulate properties (particle size distribution, particle shape, number of particles) of silicalite-1 synthesized at 170°C were studied by different experimental methods such as X-ray diffractometry (XRD), differential thermogravimetric analysis (TGA),...
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