1988 年 67 巻 1 号 p. 2-13
present status and technical problems for coal liquids and its utilization have been summarized as follows:
1) Importance of upgrading
2) Hydrotreating of coal liquids
3) Hydrogen consumption in hydrotreating of coal liquids
4) Compatibility with petroleum products
5) Storge stability and color stability
6) Bulk chemicals and speciality chemicals from coal liquids
7) Possibility for new utilization
8) Separation technique