10 GAS DETECTION Unique, new methane and CO2 Vaisala Carbocap® process efficiency, and environmental benefits. that measures off-gases optically with Vaisala’s patented Carbocap®


The novel Vaisala MGP262 provides a unique and accurate solution to measure methane and carbon dioxide in off-gas in the biomethane production process. It is the world’s first and only in situ instrument technology.


“The new Vaisala MGP262 provides high-quality data to determine greenhouse gas composition from the off-gas in the biogas upgrading process. The data can be used to optimize the process more efficiently, resulting in greater profits lower emissions, and less wasted resources,” says Product Manager Antti Heikkilä, Industrial Measurements, Vaisala.


When biogas is upgraded to biomethane, methane is separated from carbon dioxide and other gases that are present in the raw biogas. In the upgrading process, carbon dioxide passes into the off-gas but methane remains in the main gas stream and can be used as a renewable fuel. However, a small amount of methane slips into the off-gas stream.


Heikkilä explains further: “Methane slip is a process where methane is not captured but lost into the atmosphere. As methane is a harmful greenhouse gas, approximately 20 times worse than carbon dioxide, minimising this slip needs to be taken seriously. If methane slip is not controlled, the environmental benefits of using biomethane gas are reduced, and so is the yield. The MGP262 provides the ability to control the upgrading process and lets our customers focus on producing the best-quality biomethane possible. An optimised and efficient biomethane recovery process both enables greater profits and brings greater benefits for the environment.”


The new MGP262 follows Vaisala’s award winning MGP261 multigas measurement instrument, which provides continuous methane, carbon dioxide, and humidity readings directly in the biogas process pipeline. The MGP262 monitors the backend of the upgrading process. Together they provide accurate and reliable in-line measurements to help optimize biogas production and biomethane upgrading end-to-end.


“There are some key points to consider in efficient biogas production. Firstly, protecting the combined heat and power engine from excess moisture during the process to avoid corrosion and breakdowns. This is where our groundbreaking MGP261 is in a class of its own,” Heikkilä states. “Secondly, it’s important to control the whole process down to off-gassing with MGP262 to minimize the losses and negative environmental impacts caused by uncontrolled methane emissions.”


The MGP262 has high chemical resistance and its metal casing is IP66 rated. The instrument is also Ex certified up to Zone 0 inside pipes and Zone 1 outside, which makes it ideal for inline installations in explosive atmospheres.


New OEM-collimation on TO66 header for laser-based gas sensing


nanoplus introduces a free space header with integrated collimation for OEM laser applications in gas sensing. The new laser packaging consists of a TO66 header, hermetically sealed with a cap and a collimating lens on top. It is available for any customized wavelength between 1850 nm and 6500 nm. The divergence angle of the laser beam is less than 4 mrad!


nanoplus is a global leader for semiconductor lasers used for high-precision gas sensing in industry and research. They are particularly recognized for their Distributed Feedback (DFB) Lasers which allow tunable diode laser absorption spectroscopy (TDLAS) down to ppb level. The lasers are employed in different applications, such as moisture detection in natural gas pipelines, combustion control, or process-gas analysis. nanoplus offers a wide range of packaging solutions that are tailored to their customers’ needs.


The free space housings are equipped with or without a TEC cooler and NTC thermistor. The very popular TO5 header is a compact housing which comes with a rapidly adjustable thermoelectric cooler and highly sensitive thermistor. The above-mentioned TO66 housing is a little bit larger and thus allows a better heat dissipation for the nanoplus interband cascade lasers (ICL). The most compact housing is the TO56 header, which requires external cooling. To protect the laser from any external damage, such as moisture, oxygen, or dust, it is highly recommended to have the free space header hermetically sealed with an AR-coated cap and window. OEM packages and fiber coupling are available on request.


nanoplus controls the entire production chain from laser design, growth, processing to packaging. This allows them to adapt laser specifications and packages to their customers’ specific requirements. Please contact the nanoplus sales team to discuss your individual needs!


Technical drawings and data of the above packaging options can be found at www.nanoplus.com/packaging. More information online: ilmt.co/PL/eJDG


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56167pr@reply-direct.com


With its autocalibration functionality, low maintenance needs, and low lifetime costs, the MGP260 series offers an optimal way to monitor the entire biogas production process and continuously ensure its efficiency.


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Shell appoint preferred portable


gas detection supplier MSA Safety has been named a preferred supplier of portable gas detection equipment for Royal Dutch Shell. This preferred supplier status is part of three-year global framework agreement to supply portable gas detection equipment and other safety technology to Shell’s offshore and onshore facilities and installations worldwide.


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YOU KNOW …


our Distributed Feedback Laser Diodes (DFB) from 760 nm to 2900 nm and our Interband Cascade Lasers (ICL) from 2800 nm to 6500 nm.


… BUT DO YOU KNOW OUR … NEW! OEM-


COLLIMATION ON TO66 MOUNT


from 1850 nm to 6500 nm*:


Shell has been a user of MSA products for more than 30 years. With the new agreement, individual Shell worksites now have the flexibility to work with MSA as a preferred worldwide supplier, providing access to MSA’s market-leading and diverse range of sophisticated safety solutions. This includes the company’s line of best-in-class connected portable gas detectors that offer web-based gas detection capabilities like remote live monitoring and fleet management. The latter is provided by MSA’s Safety io subsidiary, which develops intuitive software to deliver comprehensive data-driven insights and analysis with real-time safety alerts.


“We are pleased to select MSA as a new Shell vendor under this global framework agreement. With MSA’s focus on safety innovation and connected technologies, they are an organization well suited to help Shell achieve our compliance, safety, productivity and cost savings goals,” said Chrystal Landgraf at Shell.


nanoplus.com/LensOC IET SEPTEMBER/OCTOBER 2021 WWW.ENVIROTECH-ONLINE.COM


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“Having worked with Shell for more than three decades, we are very pleased to be named a preferred supplier and continue a partnership focused on providing Shell employees with access to the most advanced safety equipment available today,” said Bob Leenen, President of MSA’s International business segment. “In many respects, this new agreement reflects the 360-degree approach MSA takes with regard to assessing worksite safety. From gas detection and head protection, to fall protection, industrial breathing apparatus and our training services, we look forward to this opportunity to continue strengthening our relationship with Shell and supporting their efforts and focus on workplace safety.”


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55850pr@reply-direct.com 54237pr@reply-direct.com analyser designed for optimising biogas upgrading process to increase efficiency and revenue


Vaisala has introduced a new instrument for off-gas methane and carbon dioxide measurements in the biomethane production process. Robust, reliable, and compact, the MGP262 multigas instrument provides continuous measurement data to help optimize and control the biogas upgrading process for greater biomethane yield,


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