在系统综述国内外氨气喷射法、湿式氨法、电子束氨法、脉冲电晕氨法、简易氨法等典型氨法烟气脱硫技术的基础上,分析了这些方法的特点,应用性及氨法烟气工艺的优势和目前存在的技术困难。指出对氨法烟气脱硫副产物纯化是影响氨法烟气脱硫工艺推广和应用的技术关键,开展氨法烟气脱硫副产物纯化研究将具有很好的发展前景。 Based on the systematic review of typical ammonia flue gas desulfurization technologies, such as ammonia injection, wet ammonia, electron beam ammonia, pulsed corona ammonia and simple ammonia, the characteristics, applicability, Ammonia flue gas technology advantages and the existing technical difficulties. It is pointed out that purification of flue gas desulfurization by-product by ammonia method is the key technology that affects the popularization and application of ammonia flue gas desulfurization process.