As sulphur dioxide emission from power industry made up 45 percent of national total in 2003,it is an urgency to speed up the flue duct desulphurization in the power industry.

• 2003年我国电力工业二氧化硫排放占到我国二氧化硫排放总量的45%25,因此,电力工业烟气脱硫迫在眉睫。