环境监测管理与技术
環境鑑測管理與技術
배경감측관리여기술
THE ADMINISTRATION AND TECHNIQUE OF ENVIRONMENTAL MONITORING
2013年
6期
11-14
,共4页
工业废气%二氧化碳%红外传感器%非分散红外法%气相色谱法
工業廢氣%二氧化碳%紅外傳感器%非分散紅外法%氣相色譜法
공업폐기%이양화탄%홍외전감기%비분산홍외법%기상색보법
Industrial waste gas%Carbon dioxide ( CO2 )%Infrared sensor%Non-dispersive infrared analysis method%Gas chromatography
介绍了国内外二氧化碳( CO2)气体检测方法,选取红外传感器、非分散红外和气相色谱3种方法监测工业燃煤废气中的CO2。试验结果表明,3种方法的精密度和准确度均满足要求;单一燃煤废气中CO2的体积分数范围为6.70%~15.10%,同一排气筒中CO2体积分数5 min的波动范围为0~22.4%;同一排气筒(单一燃煤废气)中CO2和O2的体积分数有一定的关联性,二者之和基本稳定在19%~21%范围;非分散红外法和气相色谱法测定同一样品的相对偏差为0.9%~3.4%;红外传感器适用于有组织排放的现场监测,另2种方法适用于无组织废气和环境空气监测。
介紹瞭國內外二氧化碳( CO2)氣體檢測方法,選取紅外傳感器、非分散紅外和氣相色譜3種方法鑑測工業燃煤廢氣中的CO2。試驗結果錶明,3種方法的精密度和準確度均滿足要求;單一燃煤廢氣中CO2的體積分數範圍為6.70%~15.10%,同一排氣筒中CO2體積分數5 min的波動範圍為0~22.4%;同一排氣筒(單一燃煤廢氣)中CO2和O2的體積分數有一定的關聯性,二者之和基本穩定在19%~21%範圍;非分散紅外法和氣相色譜法測定同一樣品的相對偏差為0.9%~3.4%;紅外傳感器適用于有組織排放的現場鑑測,另2種方法適用于無組織廢氣和環境空氣鑑測。
개소료국내외이양화탄( CO2)기체검측방법,선취홍외전감기、비분산홍외화기상색보3충방법감측공업연매폐기중적CO2。시험결과표명,3충방법적정밀도화준학도균만족요구;단일연매폐기중CO2적체적분수범위위6.70%~15.10%,동일배기통중CO2체적분수5 min적파동범위위0~22.4%;동일배기통(단일연매폐기)중CO2화O2적체적분수유일정적관련성,이자지화기본은정재19%~21%범위;비분산홍외법화기상색보법측정동일양품적상대편차위0.9%~3.4%;홍외전감기괄용우유조직배방적현장감측,령2충방법괄용우무조직폐기화배경공기감측。
Domestic and foreign CO 2 gas detection methods were introduced and three methods of Infrared sensor , non-dispersive infrared analysis and gas chromatography were selected to monitor the concentration of CO2 in industrial coal-fired waste gas .According to the experimental results , the precision and accuracy of the three methods all met the requirements .In the exhaust gas containing coal-fired waste gas only , the range of vol-ume fraction of CO2 was from 6.70% to 15.10%.In the same exhaust pipe , the fluctuation range of volume fraction of CO 2 within 5 minutes was from 0 to 22 .4%.In the same exhaust pipe ( exhaust gas containing coal-fired waste gas only ) , the volume fraction of CO 2 and O2 have some relevance , their sum was basically stable in the range from 19%to 21%.The relative deviation of non-dispersive infrared analysis and gas chromatography in testing the same sample ranged from 0 .9%to 3 .4%.Infrared sensor is suitable for on-site monitoring of organ-ized emissions and the other two methods are applicable to unorganized emissions and ambient air monitoring .