大气污染源低浓度二氧化硫监测方法比较

徐宏

引用本文:	徐宏.大气污染源低浓度二氧化硫监测方法比较[J].环境监控与预警,2012,4(3):18-23
	.The?Selection?of?the?Monitoring?Methods?on?Low?Concentration?of?SO2?Emitted?from?Stationary?Sources[J].Environmental Monitoring and Forewarning,2012,4(3):18-23

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大气污染源低浓度二氧化硫监测方法比较
徐宏¹
上海市环境监测中心，上海 200030

摘要:

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。

关键词: 湿法脱硫低浓度二氧化硫监测方法

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The?Selection?of?the?Monitoring?Methods?on?Low?Concentration?of?SO2?Emitted?from?Stationary?Sources

Abstract:

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.

Key words: wet?desulfurization?method? ?low?concentration? ?SO2? ?monitoring?method