Key benefits
- Keep the process running. Reliable and easily maintained pneumatic design keeps sampling running avoiding unexpected and expensive process disruptions.
- No need to deal with condensate. Dilution method is condensate-free. No need to consider the condensate for analysis and to worry about possible damage caused by it.
- Easy to Use. Operator intervention is not needed under fully automatic isokinetic sampling even under changing flue gas conditions. The damage-resistant titanium filter unit can be exchanged with no special knowledge.
- Full picture of PCDD/F emissions. Long term sampling runs over 8500 h/year to give a superior representation of dioxin emissions. Sampling operates under all situations, even in other-than-normal operating conditions (OTNOC).
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Solution for long-term sampling
The system is the perfect solution for the long-term isokinetic sampling of hazardous organic compounds in industrial and domestic waste incineration plants. In addition to dioxins, the system is capable of sampling furans and other persistent organic pollutants (POPs), such as polychlorinated biphenyls (PCBs) and polycyclic aromatic hydrocarbons (PAHs). To get even more out of the system, the GT90 Dioxin+ can also be equipped with the ParTrace option, enabling heavy metal and fine dust collection.
Read here why long-term sampling gives more reliable results than short-term
Technical highlights
- Automatic isokinetic sampling according to EN1948-1 / TS 1948-5
- Dilution method enabling easy sample handling
- Designed for industrial applications, especially for waste incineration
- MCERTS certified solution
- Lowest dioxin and dioxin-like compound concentrations can be sampled
- Sampling up to 6 weeks
- Allows remote access & control of the system
Dioxin detection technology designed and built for purpose
Today, the Industrial Emissions Directive (IED) and some industry-specific BREF/BAT documents require monitoring of dioxins. The GT90 Dioxin+ was specifically designed to fulfill these limits and sample even the lowest dioxin and dioxin-like compound concentrations in harsh industrial environments.
Unparalleled performance
Dioxin detection isn’t an easy task. This system has however been performance tested and validated, allowing measurements down to 0.0003 – 0.252 ng I-TEQ /m³. The system can withstand dust loads up to 150 mg/m3 and velocities up to 30 m/s without any effect on the performance. In short, this is a top-of-the-line solution.
Method for reliable dioxin sampling
The system uses the dilution method according to the EN 1948-1 standard. Thanks to the heated sample line and dilution method used, the system works free from condensation. After the sampling period ends, the dry filter unit is transported to an accredited laboratory for analysis. The dry sample is easier to transport to the laboratory and the dry sampling method is also more reliable since no condensate is formed which would need to be transported for analysis as well.
Features that take the sampling to a new level
This minimizes the need for probe unit maintenance and makes sure that no dirt will enter the system. The system can also be equipped with remote access and control, allowing e.g., remote calibrations, leak tests and data download during operation.
Low temperature for sampled dust
In flue gas, dioxins are mainly absorbed on particles but also evaporated in the gas phase. When sampling, the flue gas is cooled down with dilution air to ensure that a high portion of the gaseous dioxins is or remains absorbed on the particles. At this low temperature, no further chemical reactions (losses) or synthesis (production) are possible, making the results accurate and reliable.
GT90 Dioxin+ versions
There are two versions available, Standard and Compact. The Standard version has two probes, which is especially good for stacks with large diameters. It also has the ParTrace option, which enables fine dust and heavy metal sampling. The Compact version has one probe and is more suitable for stacks with smaller diameters. Both are MCERTS certified providing high-quality measurements.
GT90 Dioxin+ system overview
The system consists of a heated sampling probe unit, heated line and control cabinet. The system has titanium probe tubes and cartridges as a standard. For very harsh measuring point conditions we can optionally provide titanium heat exchanger and sampling probe unit valves: In this case, all materials in contact with the sample gas from the tip of the probe tube to the cartridge would be titanium.
Dioxin sampling requirements in waste incineration plants
In December 2019 the BAT (Best Available Technology) Conclusions document for Waste Incineration plants (WI BAT) was published under the Industrial Emissions Directive (IED). There the new BAT-Associated Emission Levels (BAT-AELs) for the dioxins and dioxin-like PCBs were set. The BAT-AELs work as a framework for authorities to set plant-specific ELVs, i.e. Emissions Limit Values. You can read the more in-depth report here: WI BAT conclusions published – key findings in emissions monitoring.
Voluntary dioxin monitoring as a key part of stakeholder relationships
Many cement and waste-to-energy operators opt-in for long-term dioxin sampling the authorities make it mandatory. This offers multiple benefits relating to the environmental management of the plant. The most typical reasons include:
Get the full picture
While periodic measurement is usually done 15 h/year, long-term sampling runs over 8500 h/year. This extended monitoring duration is the key to a complete understanding of the emission trends and environmental impact of the whole facility’s run time, not just one day.
Minimize environmental and health impact
Dioxins can accumulate in the human body due to their highly lipophilic properties. Once there, they can cause cancer and other health issues. By implementing long-term sampling, you can prove the emissions are under control in all situations and don’t cause harm for the surrounding community.
Show your responsibility
Demonstrating a commitment to monitoring and reducing dioxin emissions enhances your company’s reputation. Stakeholders such as decision makers, investors, environmental groups and local communities are increasingly valuing businesses that prioritize sustainability and environmental stewardship.
Be prepared for new regulation
Staying proactive in dioxin sampling ensures that your business is prepared for any future regulatory changes. Collecting invaluable data and experiences keeps you on top of any new requirements.
Reduce the workload with test labs
Dioxins need to be increasingly measured also during shut-down and start-up periods. Remove the need to align the calendars with a testing laboratory – fully automatic isokinetic sampling even under changing flue gas conditions doesn’t need operator intervention and keeps running in all conditions.
Emissions monitoring handbook
Download our free handbook and receive an overall picture of the (European) requirements, regulatory framework, practicalities, and solutions in gas emissions monitoring. Applications include large industrial plants requiring continuous emissions monitoring:
- Waste incineration (WI) / waste-to-energy (WtE)
- Co-incineration of waste (co-WI)
- Large combustion plants (LCP)
- Cement kilns
- Chemical plants and related industries
Gasmet’s Solution Package for Dioxin Sampling
Buy with confidence
As your potential emission monitoring partner, we offer a complete solution for your specific emission monitoring needs. Our very own technology ensures long-term reliability, ease of use and full compliance.
Mutual trust and years of expertise
We strive to provide a smooth partnership for every step. We walk you through the whole process from consultation to commissioning of the system, and all the way to service and support.
Local support
Our global multi-disciplined teams and vast distributor network ensure that professional and fast service and support are available locally.
Gasmet also meets your measurement needs for other emissions as well as mercury with complete solutions.