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针对烧结烟气高含湿度大、CO含量高的特点,考察了水分和CO对碘量法、定电位电解法、非分散红外法、傅立叶红外法和非分散紫外法的影响,对比了以上5种方法对烧结烟气的检测结果。实验结果表明定电位电解法不适用于测定烧结烟气,碘量法、非分散红外法和非分散紫外法适用于测定SO_2浓度高于100 mg/m3的烧结烟气,对于SO_2浓度较低的烧结烟气,傅立叶红外法具有更好的准确性。
In view of the high moisture content and high CO content of sintered flue gas, the influences of moisture and CO on iodine amount, potentiostatic electrolysis, non-dispersive infrared, Fourier transform infrared and non-dispersive UV were compared. Method of testing the results of sintering flue gas. The experimental results show that the potentiostatic electrolysis method is not suitable for the determination of sinter flue gas. The iodometric method, non-dispersive infrared method and non-dispersive UV method are suitable for the determination of sintered flue gas with SO 2 concentration higher than 100 mg / m 3. For the low SO 2 concentration Sintered flue gas, Fourier infrared method with better accuracy.