Application of the diffusion screen technique to the determination of gaseous mercury and mercury (II) chloride in flue gases

Kari Larjava; Timo Laitinen; Tiina Kiviranta; Volker Siemens; Dieter Klockow

doi:10.1080/03067319308042849

Application of the diffusion screen technique to the determination of gaseous mercury and mercury (II) chloride in flue gases

Kari Larjava, Timo Laitinen, Tiina Kiviranta, Volker Siemens, Dieter Klockow

VTT Technical Research Centre of Finland

Research output: Contribution to journal › Article › Scientific › peer-review

19 Citations (Scopus)

Abstract

A technique based on the use of a gold-coated diffusion screen for the collection of gaseous mercury species in flue gases is introduced. Using this technique, collection efficiencies for both metallic mercury and mercury(II)chloride are well above 90% at temperatures up to more than 100°C and at gas flow rates up to 6 1/min. SO₂, NO and H₂O do not have significant effects on the collection efficiency. The method is very convenient considering practical flue gas measurements, because the screen can be used in a compact filter holder suitable for in-stack measurements.

Original language	English
Pages (from-to)	65-73
Journal	International Journal of Environmental Analytical Chemistry
Volume	52
Issue number	1-4
DOIs	https://doi.org/10.1080/03067319308042849
Publication status	Published - 1993
MoE publication type	A1 Journal article-refereed

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abstract = "A technique based on the use of a gold-coated diffusion screen for the collection of gaseous mercury species in flue gases is introduced. Using this technique, collection efficiencies for both metallic mercury and mercury(II)chloride are well above 90\% at temperatures up to more than 100°C and at gas flow rates up to 6 1/min. SO2, NO and H2O do not have significant effects on the collection efficiency. The method is very convenient considering practical flue gas measurements, because the screen can be used in a compact filter holder suitable for in-stack measurements. ",

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year = "1993",

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AU - Laitinen, Timo

AU - Kiviranta, Tiina

AU - Siemens, Volker

AU - Klockow, Dieter

PY - 1993

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AB - A technique based on the use of a gold-coated diffusion screen for the collection of gaseous mercury species in flue gases is introduced. Using this technique, collection efficiencies for both metallic mercury and mercury(II)chloride are well above 90% at temperatures up to more than 100°C and at gas flow rates up to 6 1/min. SO2, NO and H2O do not have significant effects on the collection efficiency. The method is very convenient considering practical flue gas measurements, because the screen can be used in a compact filter holder suitable for in-stack measurements.

U2 - 10.1080/03067319308042849

DO - 10.1080/03067319308042849

M3 - Article

SN - 0306-7319

VL - 52

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JO - International Journal of Environmental Analytical Chemistry

JF - International Journal of Environmental Analytical Chemistry

IS - 1-4

ER -

Application of the diffusion screen technique to the determination of gaseous mercury and mercury (II) chloride in flue gases

Abstract

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