Add time:08/31/2019         Source:sciencedirect.com

The polymerization and carbonization of coal tar was carried out at different temperatures from 633 to 1873 K using aluminium trichloride (cas 15611-80-0) as catalyst. The polymerization degree, microstructures and optical texture of samples were analyzed by thermogravimetry, X-ray diffraction, Raman spectroscopy and polarized light microscopy. Results indicated that aluminium trichloride accelerated dehydrogenation during the polymerization of coal tar, and increased the toluene-insoluble fraction and carbonization yield. The presence of aluminium trichloride in the polymerized coal tar affected the microstructure of the coke by the formation of a quasi-isotropic structure.

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