The results demonstrated that the organic sylvite can reduce tar and a relationship between tar and the kind and content of organic sylvite exists to a certain extent.

• 研究结果表明，所加的有机酸钾能够降低焦油量，且在一定范围内添加钾盐种类及添加量与焦油量具有密切的相关性，对其他诸项也有一定的影响。