Method for measuring metal ingredients in combustion gas

Details Method for measuring metal ingredients in combustion gas Method for measuring metal ingredients in combustion gas

1993-04-20

1995-07-11

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Metal or metal containing

Li, na, k, rb, cs, fr, be, mg, ca, sr, ba, ra

436 73, 436154, 436171, 436 52, G01N 2172

Patent

active

054320909

ABSTRACT:
The invention is to continuously measure the contents of trace ingredients such as alkaline metal contained in combustion gas with high precision. An oxidizer and fuel are supplied into a flue line to form a flame, while a part of the combustion gas is introduced to the flame for inducing light emission. The contents of metal ingredients in the gas are calculated based on the intensity of the emitted light. Since a flame forming device is installed in the flue line without any additional equipment such as a sampling line, and such the contents of trace ingredients in the gas are calculated based on the intensity of the emitted light, the contents of the trace ingredients can be measured with high precision. Quickly responsive monitoring and control are assured.

REFERENCES:
patent: 3088808 (1963-05-01), Mandell
patent: 4896965 (1990-01-01), Goff et al.
EPRI GS-6485, Project 1654, Aug. 1989, "8th Annual EPRI Conference on Coal Gasification".
"Proceedings of the 6th Annual Coal-Fueled Heat Engines & Gas Stream Cleanup Systems Contractors Review Meeting", Mar. 21-23, 1989, pp. 440-463 & 480-487.

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