Continuous Hazardous Emissions Monitoring by Resonance Ionization

通过共振电离连续监测有害排放

• 批准号: 9616763
• 负责人: Terrill Cool
• 金额: $ 29.5万
• 依托单位: Cornell University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-03-15 至 2001-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9616763&HistoricalAwards=false
• 关键词: Continuous; Hazardous; Emissions; Monitoring; Resonance

ABSTRACT CTS-9616763 This is an examination of the use of resonance-enhanced multiphoton ionization spectroscopy in conjunction with time-of-flight mass spectrometry (REMPI/TOFMS) for continuous monitoring of incinerator stack gas emissions. Detection limits for 28 compounds found in incinerator stack gases have been determined in earlier studies; in this study polychlorinated biphenyls (PCBs) and chlorinated polycyclic aromatics are added to this list. Also pursued in this study are the establishment of reliable methods for direct sampling of semivolatile polycyclic aromatic hydrocarbon (PAHs) and other combustion products and the development of calibration methods for absolute concentration measurements of stack-gas components. Finally, the reliability of the method to function under simulated incinerator-upset conditions is evaluated. The goal of this effort is to adapt a technique for chemical analysis that has been used in research studies of combustion for monitoring of stack gas emission from incinerators for purposes of incinerator control and environmental compliance. A simple, real-time measurement of chemical species in stack emissions is needed to make waste incinerators acceptable environmentally and politically. ***

摘要CTS-9616763 这是使用共振增强多光子电离光谱与飞行时间质谱（REMPI/TOFMS）连续监测焚烧炉烟道气排放的检查。 在早期的研究中已经确定了焚烧炉烟道气中发现的28种化合物的检测限;在这项研究中，多氯联苯（PCB）和氯化多环芳烃被添加到这个列表中。 在这项研究中还追求的是建立可靠的方法，直接采样的半挥发性多环芳烃（PAHs）和其他燃烧产物和发展的校准方法的绝对浓度测量的烟囱气体成分。 最后，该方法的可靠性功能模拟焚烧炉颠覆条件下进行评估。 这项工作的目标是调整一种化学分析技术，该技术已用于燃烧研究，以监测焚烧炉的烟道气排放，从而实现焚烧炉控制和环境合规性。 需要对烟囱排放物中的化学物质进行简单、实时的测量，以使废物焚烧炉在环境和政治上都能被接受。 ***