In furnace sorbent injection the limestone or dolomite is injected with or without coal in the high temperature zone of the combustor where calcination and sulfation takes place and as a result removal of SO2 is achieved.

• 在炉内吸附剂注入法中，石灰石或白云石在燃烧炉的高温区同煤一起注入（或分别注入），煅烧作用和硫酸盐化作用都发生在这个高温区，同时可消除二氧化硫。