Plasma Technology

Microwave Continuous Emissions Monitor

An accurate, high sensitivity, and affordable continuous emissions monitor (CEM) for stack emissions of hazardous metals.

Microwave Continuous Emissions Monitor in the field.

Major Features

Stack mountable microwave plasma

Operation in undiluted, isokinetic stack gas flow

Continuous, large volume plasmas

Attached span calibration

Advantages

Sensitive

• < 3 mg/m3 for Be, Cr, and Pb

• < 10 mg/m3 for Cd and Hg

• Arsenic under development

Accurate

• < 20% demonstrated in EPA testing for Pb and Be

Microwave Continuous Emissions Monitor in the lab.

• < 20% potential for other metals

Affordable

• Can use mass produced kitchen microwave sources

• Low cost spectrometers

For more information:

"Accurate and Sensitive Metals Emissions Monitoring with an Atmospheric Microwave-Plasma Having a Real Time Span Calibration", P.P. Woskov, K. Hadidi, P. Thomas, K. Green, and G.J. Flores, Proceedings of the IT3 Conference, Orlando, May, 1999.

Contact Dr. Paul Woskov for more information about this technology.

Other Division Research:

Plasmatron

Millimeter-Wave Nuclear Waste Glass Melter Measurements

High Power Electrodeless Plasma Torch