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Continuous Emission Monitoring Analysis
8.10
Continuous
Emission Monitoring - C B Daw - The requirements for continuous emission
monitors has changed significantly over the last ten years. This has been
brought about by the increase in use of flue gas treatment systems, reducing the
levels of pollutant to be monitored, and Environmental Agencies worldwide
requiring smaller processes to be monitored. The Environmental Agencies have
insisted that continuous emission monitors meet more stringent specifications,
including repeatability and the capability to be fully challenged to demonstrate
compliance. In addition, reporting regimes necessitate maximum availability.
Pressure from the market place also requires the modern CEM system to have a low
cost of ownership, which, in effect, means that high reliability must be a
design criteria. There are many applications for continuous emission monitors,
covering a variety of industries.The specification of the CEM system will depend
on, not only the type of process, but also the pollutant gases that are required
to be measured. The choice of the CEM system will depend on many factors,
including the monitoring and reporting requirements of the local Environmental
Authority - from Group Instrumentation
Advances
in CEMS & Flow Monitoring- J.
Ron Jernigan, P.E., DEE - RMB Consulting &
Research, Inc., and Charles E. Dene
Electric Power Research Institute. Since the promulgation of the Acid Rain
Regulations required by the Clean Air Act Amendments of 1990, the electric
utility industry has installed and certified over 1,500 new CEM systems. This
paper identifies and discusses;
- The most widely used monitoring technologies and
sampling acquisition techniques.
- Monitoring technology changes that have occurred during the past
five years.
- Emerging CEM and flow monitoring technologies that may benefit the
utility CEM user by enhanced measurement accuracy, reliability and lower
maintenance cost.
RMB Consulting and Research have a very useful download library pertaining to Environmental Issues.
H2S Analyser - This Manual from Applied Analytics gives a good technical description of operation in Chapter 4.