%0 Journal Article %T 大气污染源低浓度二氧化硫监测方法比较 %T The?Selection?of?the?Monitoring?Methods?on?Low?Concentration?of?SO2?Emitted?from?Stationary?Sources %A 徐宏 %J 环境监控与预警 %@ 1674-6732 %V 4 %N 3 %D 2012 %P 18-23 %K 湿法脱硫;低浓度;二氧化硫;监测方法 %K wet?desulfurization?method?;?low?concentration?;?SO2?;?monitoring?method %X 燃煤电厂烟气脱硫大多采用湿法脱硫原理,导致脱硫尾部烟气排放温度低、湿度高、二氧化硫浓度低,现有的二氧化硫监测采样系统和仪器无法准确测定其排放浓度。通过对不同方法和仪器的对比实验,确定了适合在低温、高湿、低二氧化硫排气情况下的采样分析方法。 %X The?wet?desulfurization?method?has?been?normally?used?in?coal-fired?power?plants,which?causes?low?temperature,?high?moisture?and?low?concentration?of?SO2?in?emission?gas.?Thus,?the?existing?sampling?systems?and?instruments?cannot?measure?the?SO2?emission?concentration?exactly.?This?paper?confirms?the?best?sampling?and?analyzing?methods?through?different?experiments. %R %U http://www.hjjkyyj.com/hjjkyyj/ch/reader/view_abstract.aspx %1 JIS Version 3.0.0