Monitor for measuring mercury emissions

Kumar, Nalin; Garcia, Manuel Gerardo

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Title: Monitor for measuring mercury emissions

Abstract

A mercury emissions monitor includes a mercury sensor tape configured to be fed in a reel-to-reel manner between first and second tape reels, wherein the mercury sensor tape includes a thin metallic film configured to form an amalgam with detected mercury. A mercury collection unit is configured to receive into a chamber a sample of a gas containing mercury, wherein the mercury collection unit is further configured to permit passage of portions of the mercury sensor tape through the chamber containing the gas sample so that the amalgam is formed with the thin metallic film. A mercury analysis unit includes a total reflection x-ray fluorescence (“TXRF”) system configured to perform a TXRF analysis of the amalgam, wherein the mercury analysis unit is configured to permit passage of the mercury sensor tape within a proximity of an XRF detector of the TXRF system. The mercury collection unit and the mercury analysis unit are positioned between the first and second tape reels so that the mercury sensor tape can move in a continuous manner from the first tape reel through the chamber of the mercury collection unit, then within sufficient proximity to the XRF detector, to be then taken up onto themore » second tape reel. « less

Inventors:: Kumar, Nalin; Garcia, Jr., Manuel Gerardo

Issue Date:: 2022-03-01

Research Org.:: UHV Technologies, Inc., Fort Worth, TX (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1892665

Patent Number(s):: 11262320

Application Number:: 15/227,730

Assignee:: UHV Technologies, Inc. (Fort Worth, TX)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

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G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N23/2202 - Preparing specimens therefor
G01N23/2204 - Specimen supports therefor
G01N23/223 - by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence

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DOE Contract Number:: SC0009651

Resource Type:: Patent

Resource Relation:: Patent File Date: 08/03/2016

Country of Publication:: United States

Language:: English

Citation Formats


                    Kumar, Nalin, and Garcia, Jr., Manuel Gerardo. Monitor for measuring mercury emissions.  United States: N. p., 2022. 
        Web.

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                    Kumar, Nalin, & Garcia, Jr., Manuel Gerardo. Monitor for measuring mercury emissions.  United States.

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                    Kumar, Nalin, and Garcia, Jr., Manuel Gerardo. Tue .  
        "Monitor for measuring mercury emissions".  United States.  https://www.osti.gov/servlets/purl/1892665.

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@article{osti_1892665,

  title        = {Monitor for measuring mercury emissions},

  author       = {Kumar, Nalin and Garcia, Jr., Manuel Gerardo},

  abstractNote = {A mercury emissions monitor includes a mercury sensor tape configured to be fed in a reel-to-reel manner between first and second tape reels, wherein the mercury sensor tape includes a thin metallic film configured to form an amalgam with detected mercury. A mercury collection unit is configured to receive into a chamber a sample of a gas containing mercury, wherein the mercury collection unit is further configured to permit passage of portions of the mercury sensor tape through the chamber containing the gas sample so that the amalgam is formed with the thin metallic film. A mercury analysis unit includes a total reflection x-ray fluorescence (“TXRF”) system configured to perform a TXRF analysis of the amalgam, wherein the mercury analysis unit is configured to permit passage of the mercury sensor tape within a proximity of an XRF detector of the TXRF system. The mercury collection unit and the mercury analysis unit are positioned between the first and second tape reels so that the mercury sensor tape can move in a continuous manner from the first tape reel through the chamber of the mercury collection unit, then within sufficient proximity to the XRF detector, to be then taken up onto the second tape reel.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2022},

  month        = {3}

}

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