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Air emissions monitoring - A case study with Glaxo Smith Kline . Aim: To evaluate the analytical methods for determining sulfur dioxide emissions. What is the best approach for GKSB?. By: Matthew Harpur, Brian O’ Connell & Ian O’ Connor. The Sulfur Cycle & the Environment.
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- A case study with Glaxo Smith Kline.
To evaluate the analytical methods for determining sulfurdioxide emissions.
What is the best approach for GKSB?
By: Matthew Harpur, Brian O’ Connell & Ian O’ Connor.
The Biogeochemical Cycles in our Biosphere
A schematic of the operations of a typical incinerator
showing gaseous pollutant formation.
PG-250 portable stack gas analyzer
In situ monitoring system.Continuous Emission Monitoring Technologies
MCS 100 Multi component Non –dispersive infrared (NDIR) system for SO2 analysis.
Typical IR spectrum
Courtesy of cascade-technologies, UK.
A typical scrubber system
Luft Detector with cells in parallel.
Luft detector unit.
Real time FTIR analyzer: supplied by Applitek, Venecoweg, 199810 Nazareth, Belguim.
UV – Fluorescence SO2 Analyzer
(as used by Queensland Authority Austrailia).
Air sample intake
UV – Fluorescence detectors can be used in on-line monitoring systems.
Fluorescence is detected using a photomultiplier tube.
A hydrocarbon ‘scrubbing’ system removes interfering molecules prior to
Applicable to extractive & in situ systems
Method principle is Beer-Lambert Law.
Light of different length is transmitted across emission stack.
Light wavelength are selected using – diode laser, photodiode arrays or moving slits.
Detector’s signal at wavelength where no absorption occurs is reference measurement.
Courtesy of Enviro Tech. UK
Heated sample line including temperature regulator
Heated sample probe including filter unit
Sample pump to extract gas via heated extraction line.
Automatic calibration unit in order to meet the requirements from the local environmental authorities.DOAS - Extractive System features