Method and system for monitoring combustion source emissions

Details Method and system for monitoring combustion source emissions Method and system for monitoring combustion source emissions

2006-04-18

2006-04-18

Soderquist, Arlen (Department: 1743)

Chemistry: analytical and immunological testing

Nitrogen containing

Oxides of nitrogen

C422S062000, C422S083000, C422S093000, C436S037000, C436S117000, C436S118000, C436S122000, C436S133000, C436S134000, C436S136000, C436S155000, C436S158000, C436S159000, C436S172000

Reexamination Certificate

active

07029920

ABSTRACT:
A method and system for determining a concentration level of NOxin an exhaust stream from a combustion source. The method comprises capturing sample gas from the exhaust stream using a sampling device. NO2in the sample gas is converted to NO by passing the sample gas through a catalytic NO2converter. The method also comprises removing water from the sample gas by passing the sample gas through a dryer and determining a sample gas NO concentration level. The step of converting NO2is performed at a temperature above the dew point temperature of the sample gas.

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