Gas sensing

The role of gas analysis in clean air strategies to reduce carbon emissions

International action on the climate, such as the 2016 Paris Agreement, has increased awareness of the effect of greenhouse gases, driving industrial plant operators to reduce emissions and find more ecologically responsible ways of operating.

Reducing carbon emissions to the atmosphere has become an area of growing importance for operators. Sensitivity towards the issue has been raised by the introduction of increasingly stringent environmental regulations.

Gas analysis delivers an effective solution for these efforts, supporting measurement of harmful emissions, and by improving efficiency to ensure fewer emissions are generated in the first place.

In this article, we’ll look at three main process areas that support a clean air strategy: combustion efficiency, gas clean-up (including carbon capture processes), and emissions monitoring.

Combustion control solutions

Combustion reactions mix fuel with oxygen in a fired heater to generate heat energy for a process. They typically need a significant amount of fuel, create potential safety hazards, and generate harmful emissions including carbon dioxide (CO2).

Running fired heaters with high excess air – as happened before gas analyzer technology – avoids creating unsafe conditions that could lead to an explosion, but is highly inefficient, increasing fuel consumption.

Excess oxygen (O2) also combines with nitrogen and sulfur in the fuel to produce unwanted emissions such as oxides of nitrogen (NOx) and sulfur (SOx).

Accurate measurement of O2 and combustibles such as carbon monoxide (CO) helps to optimise the ratio between the air and fuel creates a more efficient reaction.

Controlling combustion in this way benefits plants looking to meet environmental standards requirements. Fuel consumption is reduced, resulting in fewer emissions, a reduction in NOx, SOx and CO, and a decrease in CO2.

Zirconia-based sensing technology is long established as a solution for O2 monitoring in combustion, with reliable, accurate results and a fast response to changing conditions. Tunable Diode Laser (TDL) technology provides an even faster measurement, particularly for CO, and gives an average measurement across the measurement path, rather than the result at a single point. However, since TDL sensing is highly specific to the gas being measured, separate analyzers are required for O2 and CO.

Gas analysis also supports greater process efficiency in many other applications. An efficient process reaction reduces the amount of harmful emissions likely to be generated.

Gas clean-up and carbon capture

Gas analysis is important in gas cleaning, the removal of harmful substances from process gases that might otherwise be emitted by the plant.

Typical examples of gas clean-up processes include DeNOx (ammonia slip) treatment, flue gas desulfurization, and carbon capture and storage (CCS).

Capturing and storing CO2 ensures it is not released into the atmosphere. This results in a cleaner environment, and allows the CO2 to be used in other processes. Three different methods exist: pre-combustion, oxyfuel, and post-combustion CCS.

Post-combustion CCS takes place when CO2 is removed from the flue gas after fossil fuels have been burned. Oxyfuel CCS produces a flue gas consisting almost entirely of CO2 and steam by reacting the fuel source with almost pure O2 – this means flue gas can be stored/sequestered without significant pretreatment.

Both these methods can be used in new plants, or retrofitted to existing ones.

A third method, pre-combustion CCS, is performed before burning the fuel, and converts the fuel into a mixture of hydrogen and CO2. This is difficult to retrofit, so is better for newly built facilities.

Whichever method is used, the captured CO2 is then compressed into a liquid and transported for storage.

As countries look to meet their responsibilities under Paris Agreement carbon reduction targets, the use of industrial-level CCS is likely to grow significantly, as is the requirement for accurate gas analysis to support the processes.

Monitoring emissions

Reducing carbon emissions has been a key issue for many countries in recent years, with legislation limiting the amounts of greenhouse gases – CO2, CH4 and nitrous oxide (N2O) – that can be emitted. NOx, SOx, and CO are also seen as key pollutants.

Monitoring flue gas emissions helps determine the process efficiency and protect the environment, and demonstrates that plant operators are complying with the necessary regulations.

To ensure compliance, a continuous emissions monitoring system (CEMS) is required to measure all the necessary components of the flue gas. This must be capable of offering the highest sensitivity and accuracy when dealing with multiple measurements for pollutants.

Any gas analysis system must also meet MCERTS and QAL1 certifications to comply with regulatory criteria.

Cleaner energy sources

Cleaner energy sources, such as hydrogen, are becoming increasingly attractive to many industries – hydrogen gas (H2) does not contain carbon, so cannot form CO2 as a byproduct of combustion.

Plants that produce hydrogen are ramping up output to meet increased demand. The purity of the hydrogen they produce affects its quality as a fuel, and this is where gas analysis again plays a major role.

Depending on the manufacturing method, the most common contaminants will be O2, CO and CO2. All three of these can be monitored by gas analyzers to ensure product purity.

A cleaner future

Whether it is used to ensure more efficient processes, to support the safe removal of pollutants, or to monitor the remaining emissions that are output to the atmosphere, gas analysis plays an essential role in cleaner plant and refinery operations.

Additionally, it is certain that gas analysis technology will be essential to the production of current and future cleaner energy sources.

A wide range of sensing technologies is needed to achieve all the necessary goals of a clean air strategy in order to ensure the best-fit and most cost-effective solution for each application.

By combining all three stages of the clean air strategy outlined here, plants and refineries can fully address the impact of their operations on the wider environment, and contribute fully to the creation of a world with cleaner air.

Find out more about the three-stage clean air strategy at servomex.com

UK-based gas-detection industry leaders ION Science to attend US tech event Sensors Expo

One of the world’s leading PID (photoionisation detection) sensor manufacturers, ION Science, are pleased to announce they will be exhibiting at US-based technology event Sensors Expo. ION Science will be showcasing products including their industry-leading MiniPID2 Sensor, at the McEnery Convention Center in San Jose, California. Attendees can visit, trial products, and talk to experts in the Exhibit Hall from the 22nd – 23rd of September.

Sensors Expo is an electronics event that has been running for 36 years, with a focus on sensor technology. Since its inception, Sensors Expo has broadened its horizons and diversified to include electronics technologies and embedded systems that are compatible with sensors. The highly anticipated annual event explores the entire sensors ecosystem, from sensing to processing to analysing and connecting. The Expo will showcase the newest tech and innovations, interactive demonstrations and in-person networking, within the safest environment possible.

With experience of working with the semiconductor industry and a clear understanding of the requirements around VOC sensors in such strict environments, ION Science will be demonstrating this knowledge in full at Sensors Expo. Applying their PID sensors to monitor the manufacturing of semiconductors is a key part of ION Science’s work within the sector, and uses their range of sensors primarily, but also their fixed, portable and personal units to maintain these highly sensitive environments.

ION Science will be showcasing their range of products for the attendees of the expo, including their flagship product – the MiniPID2 sensor. This is designed for detecting VOCs over the widest dynamic range on the market without compromising performance. It can deliver a reliable response to thousands of VOCs across many applications. The sensor is resistant to up to 99% humidity and is the number one choice in terms of reliability and accuracy in readings for VOC gases. It is also the market leader in terms of product lifespan- having a 10,000 hour lamp life. The MiniPID2 is designed for both diffusive and in-line pumped sampling and is one of the range of products that ION Science will have at their exhibit for Sensors Expo.

As a company dedicated to improving air quality at every level, ION Science manufacture a range of sensors to make this possible, such as the High Sensitivity VOC Gas Sensor. This sensor is up to fifteen times more sensitive than other leading market products and can detect sub ppb VOC levels. This means that it is suited for use in indoor air quality measurement, where early detection of rising levels in VOCs can allow users to be proactive before it reaches dangerous levels.

ION Science has over thirty years of industry experience designing, manufacturing, and supplying PID gas sensors, detection instruments, and leak detectors for a wide range of industries and applications. Manufactured and designed at their UK headquarters, their sensor technology and gas detection instruments are used in many industries, including electrical and component manufacture, such as semiconductors.

Check out the world leaders in gas detection instruments in the Exhibit Halls at the Sensors Expo. Register now at: www.sensorsexpo.com/register.

Gas analysis expertise available at AQE 2021

Signal Group, the UK gas analyser manufacturer, will provide a virtual exhibition booth at this year’s Air Quality and Emissions show, AQE 2021.

The company is well known for its expertise in reference gas analysers employing Flame Ionisation (FID), Chemiluminescence (CLD) and Non-Dispersive InfraRed (NDIR), but the Signal Group’s Stephane Canadas says: “Many customers are not aware that we also manufacture a comprehensive range of accessories such as gas dividers for linearity and calibration checks, heated sample lines, sample pumps and filters, NOx converters, cooler dryers, zero air generators etc., so delegates can come to us for advice on almost any issue relating to gas monitoring.”

This year, the main focus of the Signal Group booth will be hydrocarbon monitoring because the 3010 MINIFID is currently undergoing MCERTS testing and a new portable Methane/Non-Methane FID analyser will be unveiled with a video explaining the clever design features that have been built into the new unit – the SOLAR Xplore.

The virtual booth will also provide an opportunity to see a demonstration of Signal Group’s innovative Series 4 analysers with detachable wireless tablets.

Pre-registered AQE delegates (see www.ilmexhibitions.com) will be able to access the AQE Conference sessions free of charge, but Stephane is urging delegates to pre-book virtual meetings with Signal Group (either via the event website or directly via www.signal-group.com) to ensure that appropriate expertise can be provided.

Delivering products for life and safety protection wherever needed

Ensuring that products reach customers on time is a critical part of any business, but more so for those who deal in products designed to help keep workplaces and staff safe. ION Science, as global leaders in the development, manufacturing, and distribution of gas detection instruments, are all too aware of the need to get product to customers on time. Their team have dedicated significant time and resource to creating a network of reliable distributors around the globe, supported by knowledgeable technical staff.

The importance of having secure, reliable supply chains was truly highlighted to the world this year. Incidents such as the COVID-19 vaccine shortages and supply issues and the Suez Canal blockage with the Ever Given both showed how easily critical supply lines can be disrupted, and how important it is to always have solutions that mean you can meet customer demand no matter what.

ION Science, as a leading OEM for gas detection equipment, understands these challenges and works closely with its global network of distributors and technical offices. This allows for products to be shipped and on-site within exceptional delivery times. ION Science’s industry leading instruments such as the Tiger are available for delivery within days, not weeks, at all of their major global locations, and stock levels are maintained so there is never any unnecessary delay.

In Europe, ION Science’s German office boasts some of the most impressive lead times for the core PID product portfolio. The Tiger range has a guaranteed delivery of 24 hours, with Falco and Cub products generally within 3 working days. Customers can rely on ION Science to get products exactly where they need to be in a fast timeframe. Not only that, but their network of expert technical staff is also available to help customers who need help with specific VOC detection ranges or technical applications.

Elsewhere, ION Science Italy also offers 24-hour turnaround of Tiger product orders, and in France, the full range of PID products is available with a 1-2 day lead time. For India, one of ION Science’s key centres for customers, Tiger can be available for delivery within 24 hours, with Falco generally delivered in 5 working days.

This is just a snapshot of ION Science’s exceptional commitment to lead times and ensuring that products are with customers as quickly as possible. A crucial part of maintaining such efficient lead times is effective stock management, something which ION Science manages closely with all offices and distributors, so no level ever falls too low.

By working with a trusted global network of suppliers, distributors and technical staff, ION Science demonstrates its expertise as a leading gas detection manufacturer goes beyond technical knowledge. Their commitment to reliability and delivery no matter what challenges customers may face means more staff and workplaces can be kept safe from dangerous levels of exposure and keep businesses running smoothly.

Pioneer in solid state gas sensors launches new website

Gas Sensing Solutions, a pioneer in solid state gas sensor technology is delighted to announce the launch of its new website www.gassensing.co.uk. The website places a strong focus on the user experience and includes an easy-to-use parametric search function making it easy for engineers to select the right GSS sensor.

The website has been given a complete overhaul with an emphasis on making it easy to access all the important sensor information in one place. Customers are presented with a product landing page, showcasing each sensor and its key attributes. The product landing page also gives customers the option to filter the sensor choice based on their own parametric requirements including measurement range, sample method and operating temperature range.

Each individual sensor landing page brings together a complete set of technical data. All sensor documentation and other user information including data sheets, application notes, evaluation board user guides, software and other helpful information have been brought together in one place.

When asked about the new website, Julian Hayes, CEO of Gas Sensing Solutions said “In a time when events and customer visits have been put on hold, it is fundamental that our website is able to facilitate our customers in their search for information on our sensors. Our site structure has been streamlined to help customers to find what they need, and the content revamped to ensure our customers understand what our sensors can do in real-world applications.”

 

Formaldehyde sensing made easy

Sensirion has launched its new formaldehyde sensor module, the SFA30. The SFA30’s innovative electrochemical cell design, dedicated electronics including an onboard Sensirion humidity and temperature sensor, and advanced algorithms, enables highly reliable and selective formaldehyde detection at very low concentrations. This new sensor thus targets the appliance market focusing on indoor air purification and ventilation systems as well as indoor air quality monitors.

Formaldehyde is typically released slowly and continuously from furniture, building materials, paint and coatings. It is a harmful and carcinogenic gas that causes conditions such as “sick building syndrome”. Caused by inadequate ventilation and chemical contaminants from indoor sources, “sick building syndrome” can lead to various symptoms for building occupants such as acute discomfort, headache, eye, nose, or throat irritation, dizziness and nausea, difficulty in concentrating, fatigue, and sensitivity to odours. Formaldehyde is a background gas known to be relevant in very low concentrations. The World Health Organization (WHO) for example establishes an indoor air quality guideline for exposure to formaldehyde of only 80 ppb as a 30-minute average.

Adding to Sensirion’s environmental sensor portfolio, the new SFA30 formaldehyde sensor module is based on an amperometric electrochemical working principle. It provides unrivalled formaldehyde sensing performance enabled by an ultra-low cross-sensitivity to other VOCs. Relying on Sensirion’s experience in environmental sensing and a patented electrochemical cell with anti-dry technology, the SFA30 offers excellent long-term stability and an outstanding six-year service lifetime. The on-board humidity and temperature sensor provides accurate readings and enables a fully temperature and humidity-compensated and factory-calibrated formaldehyde concentration output in ppb (parts-per-billion). With selectable digital UART and I2C interface options, a standard electrical connector, and versatile mounting options it offers customers the perfect solution for easily integrating a highly reliable sensor into their application.

“By having improved performance, long-term stability and reliability with our new formaldehyde sensor module, we were able to tackle an issue in existing technologies, making formaldehyde sensing easy and truly trustworthy,” says Niculin Saratz, Director Product Management Gas Sensors at Sensirion.

The new SFA30 sensor module is now available worldwide through Sensirion’s distribution network. Additionally, Sensirion offers the SEK-SFA30 evaluation kit for fast and easy prototyping. The SEK-SFA30 comes with a UART-USB cable for a plug-and-play connection to a PC and evaluation with Sensirion’s easy-to-use SEK-ControlCenter viewer software. For connecting the sensor to prototyping platforms such as Arduino or RaspberryPi, a 7-pin jumper wire cable is provided.

Sensirion strengthens its portfolio by acquiring micro gas-analyser specialist Qmicro

Sensirion has completed the acquisition of Qmicro, an innovative OEM supplier of miniaturised gas-analysis technologies. Qmicro, based in Enschede, The Netherlands, develops, manufactures, and supplies micro gas analysers based on microelectromechanical (MEMS) gas chromatography (GC) technology. Qmicro’s most important application areas include industrial process control as well as natural and biogas characterisation.

With this acquisition, Sensirion expands its gas sensing portfolio from components and modules to stand-alone micro gas analysers for industrial applications. Many industrial applications require high selectivity and accuracy of gas composition measurements. Micro gas-chromatography technology allows to very selectively and accurately determine the constituents of gas mixtures, enabling Sensirion to expand its gas-sensing offering for its customers from components and modules aimed at high-volume applications to micro gas analysers addressing high-end applications.

Qmicro was founded in 2013, has sixteen employees, and offers very compact, easy-to-use micro gas analysers based on its MEMS-GC technology. Combined with Sensirion’s expertise in MEMS, industrialisation, and the development of highly cost-effective sensor solutions even further miniaturisation and integration becomes possible, benefiting both Qmicro’s and Sensirion’s customers.

Mark Kok, Managing Director and Co-Founder of Qmicro

Core applications of Qmicro’s analysers include the determination of the calorific value of natural gas in distribution networks, monitoring the composition of gas mixtures used in industrial processes, and in the future environmental monitoring. Qmicro’s and Sensirion’s end markets partially overlap and partially complement each other. The acquisition allows Sensirion to leverage its global marketing and sales network.

Mark Kok, Managing Director and Co-Founder of Qmicro comments: “We are excited to join forces with Sensirion, which will enable us to more efficiently scale-up our processes and accelerate growth.”

Marc von Waldkirch, CEO of Sensirion

“Sensirion very cordially welcomes all Qmicro employees and looks forward to further developing the Enschede location as a competence centre for micro gas analysers,” says Marc von Waldkirch, CEO of Sensirion.

Biogas and anaerobic digestion in relation to CH4 methane monitoring

The use of biogas as a renewable energy source currently accounts for 10 per cent of global primary energy consumption and is often heralded as the perfect example of the ‘circular economy’ – where waste products can be reused to generate energy for other processes in a self-perpetuating cycle.

Biogas consists of the mixture of gases produced by the breakdown of organic matter by bacteria under anaerobic (oxygen-free) conditions. The exact chemical composition of biogas depends on the feedstocks used, but it is usually around 60 per cent methane and 40 per cent carbon dioxide, with trace contaminant gases. The methane content is particularly valuable as this is what can be burnt to provide energy to be used elsewhere.

In biogas production plants, there are several areas where monitoring methane levels is crucial. For safety and environmental purposes, methane sensors are required throughout the plant to check for unwanted leaks. Methane is a significantly more potent greenhouse gas than carbon dioxide, so fugitive emissions must be avoided and methane also poses health and safety risk for plant workers in terms of its flammability and as an asphyxiant. As a result, UK Health and Safety legislation cover several aspects of methane use in the workplace, including the Dangerous Substances and Explosive Atmospheres Regulations act and the requirement for specific flammable gas detectors.

Process Control

The other key area of the biogas plant that requires accurate and rapid methane monitoring is in the biogas reactors themselves. In the digestor, bacteria break down organic waste matter in the absence of oxygen to form the gaseous mixtures that will later undergo refining. It is crucial that process conditions in the digestors, such as temperature, are controlled very carefully to optimise methane yields and production efficiency.

In order to produce the final biogas product, unwanted gases need to be separated from the high energy-density methane. Here, methane sensors can be used to work out the methane concentrations in the final product before sale.

Edinburgh Sensors

Edinburgh Sensors offers a variety of devices suitable for the online monitoring of methane gas. These are based on nondispersive infrared (NDIR) technologies that provide excellent sensitivity for quantitative and qualitative detection to detect a variety of gases, including methane and carbon dioxide.

Of Edinburgh Sensors’ range, the Gascard NG and Guardian NG are both quick to install stand-alone devices that can be used for online methane monitoring. With only a connection to a reference gas required, they can easily be integrated into existing process monitoring systems to provide robust, real-time data to inform process control and optimisation conditions. For this, both devices offer a R232 interface or, for the Gascard NG, an onboard TCI/IP communications protocol option and the possibility of inclusion of an Ethernet port.

Both the GasCard NG and Guardian NG are ideally suited for methane monitoring as they offer an accuracy of ±2% of range or ±<0.015% of range per mbar.  These gas monitors can be installed in a variety of environments. Measurement accuracy is unaffected over 0 – 95 % humidity ranges and measurements have onboard temperature and pressure compensation over a 800 mbar to 1150 mbar range.

Rapid Quantitative Analysis

All of the Edinburgh Sensors OEM sensors for methane analysis offer rapid detection times for quick diagnosis of any process issues. The Gascard NG has a T90 response time of 10 seconds or < 30 seconds for the Guardian NG. Both devices have initial warm up times of just one minute, and operate at full specification after 30 minutes, so there are minimal delays to starting measurements.

The NDIR source and sensors at the heart of the gas detection systems are designed to be field serviceable for minimal downtime. The Guardian NG also comes with an IP54 rated enclosure, which prevents dust or water from interfering with the functioning of the sensor. This ensures reliable, robust measurements for critical processes and safety at all times.

For safety use, the devices can either be connected to an external alarm system, or in the case of the Guardian NG, there is a built-in alarm with a programmable interface. This interface can also be used to display historical readings as well, though both the Guardian NG and Gascard NG can both be connected to external data logging software. Edinburgh Sensors can supply software with the sensors or, where customers have more complex, individual requirements, custom support is also offered.

The sensitivity of the NDIR gas sensors means even very low methane concentrations can be detected, ideal for leak detection, or small variations in the methane concentration as part of the anaerobic digestion processes. Both devices are capable of detecting 0 – 100 % methane concentrations, making them highly flexible devices.

New ABB emission monitoring solution helps the maritime industry achieve decarbonisation targets

The launch of ABB’s CEMcaptain will help shipping comply with the sulphur emission regulations that were enforced in 2020, and keep in check their CO2 footprint.

In January 2020, the low sulphur and nitrousoxide emission limits in the International Maritime Organisation regulations became effective worldwide. CEMcaptain is a powerful emissions monitoring system from ABB designed to help the maritime industry meet these new regulations and become more sustainable. Its measurement and digital capabilities increase on-board safety, provide process optimisation and substantially reduce ownership costs. By consistently achieving 98 percent and more uptime, the new system not only requires less maintenance effort but also saves time otherwise spent on handling non-compliance issues.

Designed with busy mariners and a regularly changing crew in mind, CEMcaptain is a multi-component analyzer system that continuously provides real-time data offering reliable measurement of emissions with the highest stability. Operating in even the harshest of conditions it integrates analyzer modules and sample handling components in a standalone cabinet, making installation easy.

Equipped with ABB’s renowned Uras26 non-dispersive IR gas analyzer, CEMcaptain simultaneously and continuously measures sulphur dioxide (SO2) and carbon dioxide (CO2) in line with regulation requirements. Each analyzer has two separate gas paths to allow for continuous CO2/SO2 measurement of separate streams, with up to four different components per analyzer module.

“Our solutions are driving the evolution of sustainable shipping, paving the way to a zero-emission marine industry. ABB has more than 60,000 Continuous Emissions Monitoring Systems (CEMS) installed in over 100 countries that help monitor our environment,” said Stephen Gibbons, ABB’s Head of Product Management in Continuous Gas Analyzers. “We draw on 60 years of experience in emissions monitoring to provide this support in concrete terms. CEMcaptain has been combined with innovations in on-site and remote digital services. The result is a solution that provides the industry with a digital toolbox that increases regulatory compliance and operational efficiency.”

Fast fault reporting, diagnosis and repair are achieved via the on-site and remote digital services which help operators get closer to 100 percent availability for their gas analysis instrumentation. Dynamic QR codes are integrated into the ABB CEMcaptain system display panel. All relevant diagnostic information can be collected from the analyzer via a scanned code and transferred to ABB support. This means that maritime instrumentation technicians can send real-time information to an ABB service expert to get immediate guidance on appropriate maintenance. ABB Ability™ Remote Assistance with secured connectivity direct to ABB support is also offered for real-time solutions to problems. These features reduce the costly training of changing crews as well as the number of experts required on board. They also increase on-board safety by reducing crew exposure to emissions.

CEMcaptain GAA610-M is approved by all major classification societies (DNV GL, ABS Group, Lloyds Register, Bureau Veritas, ClassNK, Korean Register).

ABB sensor onboard SpaceX rocket to detect greenhouse gas emissions

ABB and GHGSat collaborating on groundbreaking technology to detect greenhouse gas emissions

An optical sensor manufactured by ABB was deployed with the successful launch of satellite Hugo from GHGSat, the emerging leader in greenhouse gas sensing services in space.

The ABB supplied optical sensor can map methane emissions from space at a resolution that is 100 times higher than any other sensors. Whilst previously only larger regions could be surveyed, for the first time the new greater granularity now allows the identification of the source of emissions. An additional nine units are currently under manufacture at ABB to be launched by the end of 2022 ready to be on-board across the first private satellite constellation dedicated to emission measurement.

Space offers the ideal location to freely monitor emissions across jurisdictions and quantitatively report on improvements. The ABB sensors will provide valuable insights which will enable governments and industries around the world to meet their emission reduction targets and reduce the negative impact on global warming.

“We selected ABB for its ability to deliver world-class instruments while meeting the challenges of a new space company like ours.“ said Stephane Germain, CEO of GHGSat. “We strive to innovate for the needs of the future, and we’re excited to work with ABB to achieve that.”.

“ABB shares GHGSat’s goal of reducing emissions through the creation of their greenhouse gas sensing constellation. Our selection as the manufacturer for these advanced sensors demonstrates our competitiveness and strong fit with the private space sector requirements.” said Marc Corriveau, General Manager ABB Measurement & Analytics Canada.

“The space revolution is well underway and ABB with its heritage of unique space instruments and serial production of advanced measurement sensors for industrial applications is extremely well positioned to serve this emerging sector.” he continued.

GHGSat announced the constellation contract award with ABB in October 2020, with first deliveries in 2021. The unit launched by SpaceX was a single unit procured by GHGSat from ABB two years ago ahead of a selection for the constellation.

With its involvement in the Canadian SCISAT mission and the Japanese GOSAT series of satellites, ABB has been at the forefront of the field of greenhouse gas sensing from space for more than two decades. ABB optical equipment already in space cumulates more than 100 years of reliable operation. The SCISAT sensor tracks long-term subtle composition changes in the earth’s atmosphere down to parts per trillion of more than 70 molecules and pollutants since 2003. Weather agencies across the world base their predictions on ABB equipment flying onboard the US National Oceanographic and Atmospheric Administration (NOAA) weather satellites (NPP and JPSS), which saves lives by improving the timeliness and accuracy of weather forecasts for up to seven days.

ABB is also a global leader in earthbound continuous emission monitoring with over 60,000 systems installed in more than 50 countries worldwide. Continuous Emissions Monitoring Systems (CEMS) continuously record and evaluate emission data across all industries. They provide important information for the environmental and economic operation of production facilities. The range includes the ACF5000 that accurately and reliably monitors up to 15 gas components simultaneously.