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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Aluminum Industry Emissions Measurement, Reporting & Reduction
Presentation Title Verification of Open-path Dust Laser for Continuous Monitoring of Diffuse Emissions
Author(s) Lars Moen Strømsnes, Heiko Gaertner, Steinar Olsen, Peter Geiser, Bernd Wittgens
On-Site Speaker (Planned) Lars Moen Strømsnes
Abstract Scope Stringent emissions requirements and a lack of standardized measurement methods urge the need for systematic development of reliable on-line monitoring systems for diffuse emissions. A new generation long path dust analyzer based on a divergent, modulated laser transmission technique is under development. The new instrument is currently tested in a wind tunnel designed by SINTEF and installed at a NTNU laboratory in Trondheim, Norway. This "One-of-its-kind" calibration system, and the features of the open-path instrument are outlined in this paper. Further, a pilot LaserDust™ instrument was installed on site at Elkem Rana, Norway to collect data for the development of the monitoring system. We present our experience related to emission monitoring, highlighting opportunities of reliable and reproducible online quantification for modern process control to reduce waste streams. Reference measurement sampling strategies and methods for calibration and verification tailored for open-path dust lasers are discussed.
Proceedings Inclusion? Planned: Light Metals
Keywords Process Technology, Sustainability, Recycling and Secondary Recovery

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Characterization of Industrial Hydrocarbon Samples from Anode Baking Furnace Off-gas Treatment Facility
Determination of PFC with Canister Sampling and Medusa GC-MS Analysis in Comparison to General IPCC Estimation Methods
Heavy Metal Emissions through Dust from Aluminium Electrolysis
Individual Pot Sampling for Low-voltage PFC Emissions Characterization and Reduction
Reaching Zero Carbon Emissions in Aluminium Electrolysis
Verification of Open-path Dust Laser for Continuous Monitoring of Diffuse Emissions

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