Sensors Provide NOx, SOx Emissions Control

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Neo MonitorsNeo Monitors says its new-generation mid-infrared sensors will help global industries better control emissions of nitrogen oxides (NOx) and sulfur oxides (SOx), helping decrease environmental pollution and especially reducing acid rain.

Gases such as NOx and SOx are emitted from all kinds of industrial processes, and new regulations require more sensitive instruments. In-situ analyzers provide more accurate emission measurements and ensures better compliance with HSE-regulations, says CEO Ketil Gorm Paulsen

The LaserGas Q analyzers are based on the well-established tunable laser absorption spectroscopy (TLAS) measurement technique and combine the longtime experience from the LaserGas II platform with new laser sources.

Previously, mainly near-infrared lasers have been used in TLAS sensors. The advent of compact mid-infrared light sources like quantum cascade lasers (QCLs) and interband cascade lasers (ICLs) opened up new possibilities. This made it possible to measure gases that do not have any absorption bands in the near-infrared and to utilize fundamental absorption bands, leading to a significant increase in sensitivity compared to existing near-infrared systems, Neo Monitors says.

The TLAS measurement technique allows performing in-situ measurements so that results are more accurate at a faster response time. An important benefit for the customer is the fact that in-situ TLAS sensors require less maintenance than extractive systems.

 

Environment + Energy Leader