There are three methods which have potential of development for controlling mercury, namely the common physical coal cleaning technology, existing pollutant control facilities, and injecting sorbent, such as activated carbon etc. , into the flue gas.

• 有发展潜力的汞控制方法有3种：常规物理洗选煤技术、现有污染物控制装置和烟气中喷入活性炭等吸附剂方式。