Air pollution monitoring system in semi enclosed building for agricultural sector

S., Nurulain and M S, Najib and E., Lewis and M R, Salim and H., Manap (2020) Air pollution monitoring system in semi enclosed building for agricultural sector. Journal of Physics: Conference series, 1706 (012064). ISSN 1742-6588 (print); 1742-6596 (online). (Published)

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This article explains about the development of an optical sensor system to detect and measure ammonia emission in the agricultural field. At initial stage, an open path optical technique where a cylindrical chamber is used to detect low concentration of ammonia in the UV region. The methodology describing the working principle of the sensor and the wavelengths combination technique to enhance the Lower Detection Limit of the measurement. The result demonstrates that the developed optical sensor is able to measure ammonia concentration at around 212 nm. It also shows that by combining intensities at 2 adjacent wavelengths, the Lower Detection Limit has been improved to 2.25 ppm and 1 s response time is retained. Then the system is tested to monitor ammonia pollution in the cattle barn in Tipperary, Ireland. It shows that the developed system is able to detect and measure very low ammonia concentration which is below 2 ppm.

Item Type: Article
Additional Information: Indexed in Scopus First International Conference on Advances in Physical Sciences and Materials 13-14 August 2020, Coimbatore, India
Uncontrolled Keywords: optical sensor; ammonia measurement; emission monitoring
Subjects: Q Science > QC Physics
Faculty/Division: Faculty of Electrical and Electronic Engineering Technology
Depositing User: Miss Amelia Binti Hasan
Date Deposited: 26 Jun 2023 05:43
Last Modified: 26 Jun 2023 05:43
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