Monitoring & metering
game changer for industrial operations. IR sensors operate on the principle that different gases absorb infrared radiation at specific wave- lengths. By measuring the absorption of infrared light passing through a gas sample, these systems can accurately determine the presence and concentration of various gases with unmatched precision and sensitivity.
Laser absorption spectroscopy (LAS) has emerged as a leading IR solution for improving the safety of indus- trial operations due to its exceptional sensitivity and selectivity. LAS systems work by passing an IR beam through a filter and a sampling chamber containing the gas being measured for. The filter blocks all wave- lengths apart from those absorbed by the specific gas from reaching a detector. By measuring the difference in attenuation between the incident beam and what arrives at the detector, operators can determine precise gas concentrations in the range of parts-per-billion. The high sensitivity and selectivity of this tech- nology enables it to provide a crucial early warning system in industrial settings. LAS systems can provide real-time data, enabling rapid response to emerging hazards such as methane or propane leaks. This ability to quickly detect and address gas leaks is essential for remaining compliant with regulations around fugitive emissions and workplace exposure limits. By leveraging these advantages, infrared gas detection technology enables industrial facilities to enhance workplace safety, improve regulatory compliance, and optimize operational efficiency.
The technology also benefits from increased relia- bility. It can easily distinguish between different gases
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with similar properties, reducing false alarms, and unlike more traditional sensors it requires minimal calibration and is less susceptible to interference from other gases. LAS systems are also suitable for operation in extreme temperatures and humidity levels as well as inert atmospheres without oxygen, making them ideal for use in challenging industrial environments.
THE FUTURE OF GAS DETECTION: IOT INTEGRATION AND BEYOND The integration of LAS systems with Internet of Things (IoT) technologies promises to revolutionise industrial safety further, creating interconnected networks for comprehensive coverage across large industrial facilities, with data centralised for easy monitoring and analysis. Advanced analytics tools can be used to facilitate preventative maintenance, predicting potential system failures before they occur, and integration with automated safety systems can trigger immediate responses to detected hazards, such as activating ventilation systems or initiating evacuation procedures.
As industrial processes become increasingly complex, the demand for more sophisticated gas detection solutions will continue to grow. Umicore Coating Services is supporting this rising demand with high-performance optical filters. These filters sit at the heart of effective LAS solutions, significantly enhancing their capabilities for the most demanding applications. By preventing unwanted wavelengths from reaching the detector, they play a crucial role in maximising sensor sensitivity and accuracy.
Crucially, these filters can be tailored to meet the
specific gas detection requirements across a range of industries, unlocking the benefits of LAS systems for everyone. In oil and gas refineries, LAS systems can be used for continuous monitoring for combus- tible gases and toxic substances such as hydrogen sulphide. This technology’s high sensitivity is ideal for ensuring early detection of leaks, preventing poten- tial explosions and protecting workers from exposure to harmful gases. In mining, these systems provide real-time alerts for methane and other hazardous gases, which is crucial for preventing explosions and ensuring adequate ventilation. The chemical manufacturing sector can reap similar benefits, as LAS technology enables precise monitoring of process gases and detection of fugitive emissions, not only enhancing safety but also helping to maintain product quality and reducing environmental impact. In the industrial landscape, effective gas detec- tion is more than just a regulatory requirement it is a commitment to worker safety and environmental
responsibility.Protecting workers and equipment are essential for modern operations, and the devel- opment of advanced LAS systems supported by innovations like Umicore Coating Services’ precision optical filters represents a significant leap forward in the detection and mitigation of gas-related hazards. By embracing these advanced technolo- gies, industries can not only ensure compliance with increasingly stringent regulations but also create safer, more productive work environments.
Umicore Coating Services
eom.umicore.com
November 2024 Instrumentation Monthly
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