- In view of domestic coal tar based pitch and actual existing problems,describes the modified pitch process and technique in about ten commercial units which were developed by ACRE,constructed and commissioned in China recently.
- They will report on the experiments with coal tar.
- Obtained by distilling coal tar.
- Indole consists in washing oil of coal tar.
- Coal tar has a strong smell and can stain clothing.
- Our company ranks first in the output of coal tar.