ABSTRACT:An industry-scale semi-wet te年影chnological process for flue gas des玩玩ulfurization by corona disch子和arges is recommended. Its characte也明ristics are: (1) it us匠南es an ac/dc power supply to generate 放影uniformly distributed st音長reamer plasmas; (2) it uses慢愛 a partitioned wet reactor system in wh刀我ich SO₂ in the flue gas is absorbed wi花外th ammonia water in its thermal那現 chemical reaction stage and the g校些enerated solution is repe坐店atedly sprayed and transferred a近都t an appropriate flo員農w rate to the successive plasma r熱他eaction stage under the con黃線ditions of keeping liquid flow in 湖有balance. In the plasma stage, SO₂ absorption by the liquid is enhanced生子 by the electric wind and the sul地現fites in the solutio低吃n experiences plasma oxidization朋購; (3) drying up the end liquid to就店 produce powder-typed by微頻product and discharging the end ga計北s after heat exchange with the hot ga頻裡s at the inlet. Through a 兒學pilot test of 12,000這短 Nm³/h capacity of flue gas with an ini在市tial SO₂ concentration of about 和錢500 ppm, results of desulfurization 要煙rate >95%, energy consumption in 習靜the reactor 1.8 W/Nm³ , ammonia slip less than 5 ppm and q愛你ualified fertilizer bypro什我duct are obtained.