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Tag Articles : TDLAS

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  Tunable Diode Laser Absorption Spectroscopy (TDLAS) - What is it and how does it work?

  Tuesday, January 21, 2025 | Joseph Pannell

  Technologies

  Tunable diode laser absorption spectroscopy (TDLAS) is a technique that offers a high level of sensitivity and selectivity in measuring specific species in a gas stream.

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  Moisture Measurement in Natural Gas: Ensuring Quality and Safety

  Friday, August 11, 2023 | John Kerney

  Applications Products

  In this blog, we will delve into the significance of measuring moisture in natural gas, the impact of water vapor on the properties of natural gas, the technologies used for moisture measurement, and best practices for installation and maintenance to ensure accurate readings and overall system efficiency.

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  The Demo Unit That Was Not Returned - Why the customer loved the portable TDLA For moisture measurement in natural gas

  Thursday, April 8, 2021 | Pedro Gutierrez

  Applications Technologies Products

  If you work in the natural gas industry or are an industrial user of natural gas, water dewpoint is not only a quality measurement but also a big concern. Water condensate presents serious challenges and issues for your process. It is highly corrosive and will form hydrates, which are ice-like solid molecules that can block the flow of gas in pipelines. In cold weather, it will also freeze reducing the pipe pressure.

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  Measuring Water Vapor in Hydrocarbon Streams

  Monday, October 26, 2020 | Michael Gaura

  Applications Products

  Extracted from a variety of different sources, natural gas is composed of many different hydrocarbons and includes other, less desirable, impurities.

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  Part Three: Results and Conclusions of Measuring Water in Ethylene and Propylene Production with a 5100HD TDLAS Analyzer

  Tuesday, April 21, 2020 | Airat Amerov and Michael Gaura

  Applications Technologies

  New gas analyzers were built for online measurements of moisture in ethylene and in propylene. Corresponding applications include measurements of moisture in ethylene and propylene in both production processes and product purity at quality control points.

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  Part Two: Instrument and Testing Methodology for Measuring Water in Ethylene and Propylene Production

  Tuesday, April 14, 2020 | Airat Amerov and Michael Gaura

  Applications Technologies

  The principal objective of the work reported here is to characterize the TDLAS-based extractive analyzer with an all-digital protocol for the modulation of the laser drive signal and the demodulation of the detector response.

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  Part One: The Importance of Measuring Water in Ethylene and Propylene Production

  Wednesday, April 8, 2020 | Airat Amerov and Michael Gaura

  Applications Technologies

  Most ethylene and propylene production processes use catalysts to improve production quality and process yield. Impurities in ethylene and in propylene can affect catalyst performance and as a result, production quality.

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  Trace Moisture Analysis in Carbon Dioxide Pipelines

  Friday, November 15, 2019 | Michael Gaura

  Applications

  Thousands of miles of pipeline are dedicated to the transport of the carbon dioxide that is captured at industrial facilities that generate energy, process natural gas, refine oil, or manufacture materials and products used by other industries or consumers.

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  Part 6: Measuring Water Vapor and Hydrocarbon Dew Point in Natural Gas - Tunable Diode Laser Absorption Spectroscopy

  Tuesday, September 17, 2019 | John Kerney

  Applications Technologies

  This optical or spectroscopic technique utilizes laser light for the measurement of water vapor in natural gas and has received very favorable response from industry.

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  TDLAS for Carbon Dioxide Measurements in Liquified Natural Gas Processing

  Tuesday, June 25, 2019 | Michael Gaura & John Kerney

  Applications Technologies Industries

  The liquefaction process involves the removal of components such as acid gases, helium, water, and heavy hydrocarbons. There are many acid gas treating processes available for the removal of carbon dioxide (CO₂) from natural gas, including chemical solvents, physical solvents, hybrid solvents, adsorption processes, and physical separation based on membrane systems.

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