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The thermal solution of coal at different metamorphic stages (from lignite to Zh coal) in the anthracene fraction of coking tar is studied. Up to 69% conversion of GZh and Zh coal with an elevated content of plastic mass and polyaromatic fragments is observed in thermal dissolution. It is shown that thermal dissolution is a selective process, in which quinoline-soluble pitch-like products are mainly...
The thermal dissolution of two samples of 1GZhR and ZhR coal in the anthracene fraction of coal tar is studied. The yield of quinoline-soluble products increases considerably in the temperature range of coal softening. Optimal thermal-dissolution conditions are determined for selective production of quinoline-soluble pitch-like products. At 350–380°C, the yield of quinoline-soluble products is 70–73%...
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