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燃煤烟气排放出大量的粉尘、ＳＯ２和ＮＯｘ等污染物，给环境生态带来严重的破坏。为此，发展烟气净化技术势在必行。本文介绍了国内外燃煤锅炉烟气净化技术的现状与最新进展，分析了各种工艺过程的优缺点、影响因素与应用概况，给出了系统选择与工艺设计要点，并提出了几点建议。
Coal-fired flue gas emits a large amount of dust, SO2 and NOx and other pollutants, causing serious damage to the environment and ecology. To this end, the development of flue gas purification technology is imperative. This paper introduces the current status and the latest progress of flue gas purification technology in coal-fired boilers both at home and abroad, analyzes the advantages, disadvantages, influencing factors and application of various technological processes, gives the key points of system selection and process design, and puts forward some suggestions .