Sample conditioning system for removing selenium from a gas...

Details Sample conditioning system for removing selenium from a gas... Sample conditioning system for removing selenium from a gas...

2006-06-19

2009-10-27

Mayes, Melvin C (Department: 1793)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

C423S212000, C423S213700, C423S099000, C423S509000

Reexamination Certificate

active

07608230

ABSTRACT:
A sample conditioning system removes selenium from a flue gas sample to provide more accurate measure of mercury in the gas stream. Ammonia or another basic reagent is added to the sampled gas stream to increase the pH of the condensate, and thereby ensuring the removal of hydrogen selenide.

REFERENCES:
patent: 1711742 (1929-05-01), Nordlander
patent: 6790420 (2004-09-01), Breen et al.
patent: 2004/0062697 (2004-04-01), Mortson et al.

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