18 Air Monitoring
Mercury Emissions Monitoring System Awarded TÜV Certification Power plants and waste incinerators
in Germany and across Europe can now use a fully integrated solution for mercury emissions monitoring that is certified by TÜV Rheinland.
The Thermo Scientific (USA) Mercury Freedom System, which is designed to provide process controllers and compliance monitors with reliable continuous emissions data, has undergone testing by accredited certification provider TÜV
Rheinland to meet certain quality and safety standards.
“In the coming years, Germany is preparing to implement new, stricter regulations to limit mercury emissions from power plants, and tighter emissions standards may follow across Europe,” said Salim Hiouel, CEMS product line manager, environmental and process monitoring for Thermo Fisher Scientific. “TÜV certification for the Mercury Freedom System will help power plants to meet regulations using a system designed for high-sensitivity, fast response times and lowest- possible operating costs.”
The Mercury Freedom System, which already meets U.S. EPA requirements for continuous emissions monitoring, measures elemental, ionic and total mercury in exhaust stacks. It is designed for ease of installation and use, simple maintenance and high reliability, even in harsh conditions. The Mercury Freedom System, which is used by more than 600 facilities worldwide, incorporates Thermo Scientific iSeries platform components, including an analyser, calibrator, probe controller and probe/converter.
“We strive to ensure that our products meet the stringent regulations that vary across countries,” said Gert-Jan Bakkenes, EMEA commercial director, environmental and process monitoring for Thermo Fisher. “We have enhanced components of the Mercury Freedom System since its initial entry into the market to enable our customers to operate flexibly and efficiently. With TÜV certification, we are eager to make this platform available to power plants and incinerators in Europe.”
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39513pr@reply-direct.com PTR-TOFMS to Monitor VOCs Above Korea
An international team coordinated by NASA has recently investigated air pollution over the Korean peninsula. Two of IONICON’s (Austria) PTR-TOFMS instruments were used to monitor volatile organic compounds (VOCs) in real-time aboard NASA’s DC-8 Flying Laboratory. The data gathered by scientists from the University of Innsbruck and Korea’s National Institute of Environmental Research (NIER) will be used to improve satellite-based air quality monitoring over Korea.
Space agencies in Europe, the United States and Asia pursue an ambitious goal. In the next decade, the quality of the air over the entire northern hemisphere shall be continuously monitored from space. To accomplish this goal, NASA is carrying out research flights in the atmosphere over heavily polluted regions. The insights gained into composition and spatial distribution of air pollutants will improve the interpretation of future satellite imagery.
Teams from the University of Innsbruck and IONICON join their forces for participating in NASA’s campaigns. The most talented and experienced scientists use the newest and most powerful PTR-TOFMS technology developed by IONICON engineers. IONICON CEO Lukas MÄRK explains the benefits of this cooperation: “It’s like going to space where instruments face their ultimate challenge. We are testing our newest developments under the most demanding conditions, and also benefit from the scientists’ experiences when starting to produce novel analysers for our markets.”
NASA’s latest measurement campaign took the researchers to South Korea. 20 research flights were carried out over the Korean peninsula and over the Yellow Sea. A University of Innsbruck team led by Dr. Armin Wisthaler joined US and Korean researchers aboard the NASA DC-8 Flying Laboratory. “The newest PTR-TOFMS instrument detects smallest traces of gases that form particulate matter and ozone in the atmosphere, and is the best of its kind in the world”, says the Instrument Principal Investigator Armin Wisthaler who is also a professor at the University of Oslo. “Our measurements will help scientists in properly assessing air pollution from space and in understanding some of the current air quality problems in South Korea”.
The University of Innsbruck and IONICON have been collaborating over many years for participating in NASA’s atmospheric research studies with the most advanced VOC monitoring instrumentation. These research and development activities receive support from the Austrian Space Applications Programme (ASAP) of the Austrian Research Promotion Agency (Österreichische Forschungsförderungsgesellschaft, FFG).
Auto GC Evaluation with Embedded Calibration Using Permeation Tubes
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Ambient air is polluted by many VOCs coming from Petrochemical Industry. PAMS*, Oxygenated or Halogenated VOCs can be found in many ranges of concentration between background and site fence line. These compounds are precursors of ozone and Industrial bodies need to identify them to be in compliance with the authorized limits and to improve their process.
Actually, more than 88 compounds are mentioned in US EPA list considering PAMS 56*, TO 14 or TO 15 methods. The use of calibration device is a crucial point to validate data and could be difficult when a certain amount of compounds are present.
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For VOCs monitoring in ambient air, Chromatotec (France) has developed a system capable of measuring a large number of VOCs from ppt to ppm, on line and in field conditions. The device is required to identify automatically potential coeluted compounds by MS technology adapted to industrial context. The originality of the project consists in coupling two different FID GCs to a Quadripole MS allowed by an elaborated multiplexer system: one TDGC for light compounds and one TDGC for heavy compounds with specific trapping conditions and variable sampling volumes. This solution integrates internal permeation tube for automatic data validation. One using butane for C2-C6 molecule range, the other using Benzene for C6-C12.
The Gateway to Effi ciency and Reliability in Gas Analysis
One of the advantage of the solution is enabling to provide accurate reference points for the verification of an analysis using internal permeation tube. No needs of specific gas mixture. This solution is interesting since static mixtures in gas cylinders could be unreliable and inaccurate at the levels (ppm to ppb) that analytical technology now demands. In gas cylinders containing low level mixtures, the trace components often adsorb on to, or react with, the cylinder walls causing the standard to be inaccurate and unreliable. Also, it may be impossible to get a matrix gas that is completely free of trace component, thus making it impossible to get a true reference point with a cylinder mixture. The use of permeation tubes instead of gas cylinders offers a good alternative.
As example of use, measurement campaign on a petrochemical new site shows concentration of about 100 compounds at different steps of the commissioning. Variations during specific hours are detected. Potential coeluted compounds like terpenes or organochlorinated are identified and monitored at ppt level.
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Bühler T
Phone: +49 (0) info@buehler
5183ad@reply-direct.com IET Annual Buyers’ Guide 2016/17
www.envirotech-online.com
echnologies GmbH · Harkortstraße 29 · D-40880 Ra 2102 4989-0 · F
ax: +49 (0)
-technologies.com · www 2102 4989-20 .buehler
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The ability of coupling in continuous two different GCs to a unique MS and the automatic identification is a new advance in industrial GC-MS technology. The big advantage is the possibility to play with two different trapping and thermo-desorption techniques linked to one MS. This fully automatic system allows non- specialist operators to access to expertise level results.
The data are validated in automatic mode thanks to combined permeation tube using butane as reference for light molecule (C2C6) and benzene for more heavy compounds (C6C12).
Actually this solution is used in autoGC evaluation driven by US EPA. Chromatotec technologies are recognised as performant in this evaluation test integrating autoGC FID with permeation tubes.
* Photochemical Assessment Monitoring Stations (PAMS)
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