S. A. Sozinov, A. N. Popova, N. S. Zakharov, Z. R. Ismagilov
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Analysis of Carbonized Industrial Samples by Scanning Electron Microscopy
The morphology, structure, and mineral composition of carbonized industrial samples are studied by scanning electron microscopy. According to the results, the carbonized samples include particles of different sizes, which are covered by a layer of organic mass containing oxygen. Disperse amorphous calcium carbonate is also present, as confirmed by the decrease in oxygen content at the surface of the particles after heating the sample to 800°C in an inert atmosphere. The mineral component of the carbonized sample is found to contain the elements Ca and Mg, which are typical of lignite. The microstructure established for the sample is also typical of carbonized lignite.
期刊介绍：
The journal publishes scientific developments and applications in the field of coal beneficiation and preparation for coking, coking processes, design of coking ovens and equipment, by-product recovery, automation of technological processes, ecology and economics. It also presents indispensable information on the scientific events devoted to thermal rectification, use of smokeless coal as an energy source, and manufacture of different liquid and solid chemical products.
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