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Title:LASER-BASED MOLECULAR SPECTROSCOPY FOR MONITORING EMISSION IN ANIMAL FARMING
Author(s):Nikodem, Michal
Contributor(s):Stachowiak, Dorota
Subject(s):Instrument/Technique Demonstration
Abstract:Monitoring gas emission becomes an important issue in the livestock sector. For example, industrial animal farming is responsible for substantial part of total anthropogenic emission of methane and ammonia. Here we present practical aspects of molecular spectroscopy by demonstrating a laser-based system for sensing of methane (near 1651 nm), ammonia (near 1531 nm) and hydrogen sulfide (near 1575 nm) using wavelength modulation spectroscopy (WMS) and a multi-pass cell. This instrument is designed for sequential detection of three species emitted in pig farming facility. Laser-based molecular spectroscopy in the near-infrared region provides unique opportunity for maintenance-free continuous operation at relatively low cost, and with sensitivity and accuracy at single ppmv levels for all three gases. System characterization in laboratory conditions will be presented. We will also demonstrated results of field tests and discuss technical challenges when moving spectroscopic systems from laboratory conditions to real-world environments. Authors acknowledge support by the National Centre for Research and Development (NCBiR) award LIDER/023/379/L-5/13/NCBR/2014.
Issue Date:06/19/18
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:APS
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/100818
DOI:10.15278/isms.2018.TI06
Other Identifier(s):TI06
Date Available in IDEALS:2018-08-17
2018-12-12


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