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:quality(80)/p7i.vogel.de/wcms/6b/3f/6b3f057c83c494e4732337d870d52b21/0130006927v2.jpeg "Lonza will realize upfront cash proceeds of 2.2 billion dollars and retain a 40 % stake in the business, with additional preferential participation in its future exit. (Source: Lonza)")
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:quality(80)/p7i.vogel.de/wcms/24/c8/24c84ab6b1bcd24468a87820a07a85aa/0128194707v2.jpeg "Ajax Equipment has supplied Binding Solutions with a feed system comprising buffer hopper, screw feeder and agitated screw feeder for a pilot plant handling iron ore and additives. (Source: Ajax Equipment )")
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:quality(80)/p7i.vogel.de/wcms/99/d2/99d2e5e83062b4cf2aa3dc0a60d15f23/0129624804v2.jpeg "The heaviest and tallest unit – a Process Gas Cooling Module – weighed 2,464t and measured 38 meters long, 23 meters wide, and 32 meters high. (Source: Mammoet)")
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How Does it TDLAS Work?
As the light passes through the gas sample, energy is absorbed, reducing the amount of light arriving at the detector. The SS-series analyzers from SpectraSensors use longlasting and resilient TDL that emit near-infrared light. The robustness of diode lasers is proven in many consumer and commercial applications such as CD players and fiber optic communications.
The length of the laser beam affects the sensor’s sensitivity and hence some companies offer the dual-pass optical path in most applications (or a greater number of passes for some applications).
Areas of Application for TDLAS
The primary areas of applications for this technology include natural gas and gas processing including pipelines – H2O, H2S, CO2; LNG – H2O, CO2, H2S; refining and petrochemicals – H2O, H2S, CO2, NH3, C2H2; specialty and bulk gases; and metrology and climate research. Here let’s have a look at these applications in detail.
Natural Gas
All types of natural gas contain H2O (moisture) that is measured in natural gas pipelines at production and gathering sites, custody transfer points, compression stations, storage facilities and also in the distribution markets. Moisture measurement is critical for gas companies to meet quality specifications and protect pipelines from corrosion.
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:quality(80)/p7i.vogel.de/wcms/56/ec/56ecda05b645f0174c02631d95ca9aa4/0128668888v2.jpeg "Emerson’s Fisher Armor digital device includes extensive measurement and communication capabilities, designed specifically for utility gas grid applications. (Source: Emerson )")
:quality(80)/p7i.vogel.de/wcms/88/df/88dfc94a25036daa741e494fc8f2380e/0128668880v2.jpeg "ABB has launched the GCP100 gas chromatograph setting a new standard in cybersecurity and real-time analysis of complex gas mixtures in the natural gas, biogas, oil and petrochemical industries. (Source: ABB)")