A DEVICE AND METHOD FOR MEASURING TAR IN A TAR-ENVIRONMENT

Sønnik Clausen (Inventor), Alexander Fateev (Inventor)

Research output: Patent

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Abstract

The present disclosure describes a device and corresponding method for measuring tar in a tar environment, e.g., a tar producing environment such as a stove or a combustion engine, based on UV absorption spectroscopy. A first measurement along an optical path in the tar environment is performed at a wavelength less than 340 nm at which both tar and non-tar elements absorb. This measurement is compensated for non-tar absorption by means of a second measurement at a wavelength equal to or greater than 340 nm at which tar does not absorb. From the non-tar compensated absorbance value a measure of tar in the tar environment is derived and an air intake in the tar environment is regulated based on the measure of tar.

Original languageEnglish
IPCG01N 21/ 84 A N
Patent numberWO2017144507
Filing date31/08/2017
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date22/02/2016
Priority numberEP20160156675
Publication statusPublished - 31 Aug 2017

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