Method and a device for measuring, by photo-spectrometry,...

Details Method and a device for measuring, by photo-spectrometry,... Method and a device for measuring, by photo-spectrometry,...

2007-06-12

2007-06-12

Warden, Jill (Department: 1743)

Chemistry: analytical and immunological testing

Metal or metal containing

C436S119000, C436S164000, C422S083000, C422S091000, C422S094000

Reexamination Certificate

active

10110164

ABSTRACT:
A method for measuring the concentration of harmful gases in flue gases through a heat-producing plant that includes a combustion space and a device located downstream of the combustion space, the device includes tubes, through which for instance water, steam or air may pass in order to be heated by heat transfer from flue gases formed during the combustion. In a region near the tube device, at least one beam of ultraviolet light is emitted from a light emitter at one side of a flue gas duct to a light receiver located at the opposite side of the duct, which light emitter is connected to a spectrometer cooperating with a computer unit, in which spectrometer the light is divided spectrally.

REFERENCES:
patent: 9402300 (1995-12-01), None
patent: WO 86/07455 (1986-12-01), None
Optical and laser remote sensing /ed. : D. K. Killinger and A. Mooradian Berlin Springer 1983 (Springer series in optical sciences, 0342-4111; 39) figure 1.

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