| 摘要 |
The present invention provides a production method of coal pitch without impurities which has a softening point at 60-130°C and is suitable for producing carbon materials includes the following steps: mixing dried coal, a solvent, a catalyst, and a catalytic supplemental agent to obtain coal slurry; treating the coal slurry with microwaves; and performing a coal liquefying reaction. [Reference numerals] (AA) Coal; (BB) Pulverizing; (CC,FF) Coal slurry; (DD) Producing slurry; (EE) Processing microwaves; (GG) Catalyst; (HH) Catalyst supplemental agent; (II) Solvent; (JJ) Additional solvent; (KK) Hydrogen; (LL) Coal liquefying reaction; (MM) Solvent recovery process; (NN) Separating solvent; (OO) Separating impurities; (PP) Distillation; (QQ) Impurities; (RR) Pitch |
