The results demonstrated the yields of the tar and crude benzol were improved differently, the yields of ammon remained the same, coke yields had been slightly declared during co-carbonization of coal with additions.

• 实验结果表明：添加物与煤共焦化时，焦油和粗苯的产率都有不同程度的提高，氨的产率基本不变，焦炭产率略有下降。