In-furnace measurement of sulphur and nitrogen species in a recovery boiler

Emil Vainio, Anders Brink, Nikolai DeMartini, Mikko Hupa, Hannu Vesala, Kauko Tormonen, Tuula Kajolinna

    Research output: Contribution to journalArticleScientificpeer-review

    9 Citations (Scopus)

    Abstract

    There is a lack of experimental data on the gas composition in recovery boiler furnaces, particularly in the lower furnace and at the black liquor spraying level. Experimental determination of the gas composition in full-scale furnaces is important for the understanding of the kinetics of the gasphase reactions and the formation of different intermediates in the combustion process. The gas composition was measured in the furnace of a large recovery boiler using a new gas sampling method. The measurements were carried out from the primary air level to the upper tertiary cur level. The measurements were a part of an extensive campaign planned and carried out to support validation of models hosed on Computational Fluid Dynamics. This paper will focus on the sulphur and nitrogen species measured in the furnace and on the developed gas sampling probe. A number of reactive sulphur and nitrogen intermediates were identified and quantified in the measurements. Especially high concentrations of different intermediates were measured at the black liquor spraying level. Measured nitrogen and sulphur species include: nitrogen monoxide (NO), nitrogen dioxide (NO2), ammonia (NH3), hydrogen cyanide (HCN), hydrogen sulphide (H2S), sulphur dioxide (SO2), methyl mercaptan (CH3SH), ethyl mercaptan (C2H5SH), dimethyl sulphide ((CH3)(2)S), dimethyl disulphide ((CH3)(2)S-2), carbonyl sulphide (COS), and carbon disulphide (CS2). Some of these have not been reported before in full-scale measurements.
    Original languageEnglish
    Pages (from-to)135-142
    Number of pages8
    JournalJournal of Pulp and Paper Science
    Volume36
    Issue number3-4
    Publication statusPublished - 2010
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Sulfur
    Boilers
    Furnaces
    Nitrogen
    Gases
    Recovery
    Spraying
    Chemical analysis
    Hydrogen Cyanide
    Sampling
    Carbon Disulfide
    Carbon disulfide
    Nitrogen Dioxide
    Sulfur Dioxide
    Hydrogen Sulfide
    Cyanides
    Hydrogen sulfide
    Sulfur dioxide
    Ammonia
    Nitric Oxide

    Cite this

    Vainio, Emil ; Brink, Anders ; DeMartini, Nikolai ; Hupa, Mikko ; Vesala, Hannu ; Tormonen, Kauko ; Kajolinna, Tuula. / In-furnace measurement of sulphur and nitrogen species in a recovery boiler. In: Journal of Pulp and Paper Science. 2010 ; Vol. 36, No. 3-4. pp. 135-142.
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    title = "In-furnace measurement of sulphur and nitrogen species in a recovery boiler",
    abstract = "There is a lack of experimental data on the gas composition in recovery boiler furnaces, particularly in the lower furnace and at the black liquor spraying level. Experimental determination of the gas composition in full-scale furnaces is important for the understanding of the kinetics of the gasphase reactions and the formation of different intermediates in the combustion process. The gas composition was measured in the furnace of a large recovery boiler using a new gas sampling method. The measurements were carried out from the primary air level to the upper tertiary cur level. The measurements were a part of an extensive campaign planned and carried out to support validation of models hosed on Computational Fluid Dynamics. This paper will focus on the sulphur and nitrogen species measured in the furnace and on the developed gas sampling probe. A number of reactive sulphur and nitrogen intermediates were identified and quantified in the measurements. Especially high concentrations of different intermediates were measured at the black liquor spraying level. Measured nitrogen and sulphur species include: nitrogen monoxide (NO), nitrogen dioxide (NO2), ammonia (NH3), hydrogen cyanide (HCN), hydrogen sulphide (H2S), sulphur dioxide (SO2), methyl mercaptan (CH3SH), ethyl mercaptan (C2H5SH), dimethyl sulphide ((CH3)(2)S), dimethyl disulphide ((CH3)(2)S-2), carbonyl sulphide (COS), and carbon disulphide (CS2). Some of these have not been reported before in full-scale measurements.",
    author = "Emil Vainio and Anders Brink and Nikolai DeMartini and Mikko Hupa and Hannu Vesala and Kauko Tormonen and Tuula Kajolinna",
    year = "2010",
    language = "English",
    volume = "36",
    pages = "135--142",
    journal = "J-FOR: Journal of Science & Technology for Forest Products and Processes",
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    Vainio, E, Brink, A, DeMartini, N, Hupa, M, Vesala, H, Tormonen, K & Kajolinna, T 2010, 'In-furnace measurement of sulphur and nitrogen species in a recovery boiler', Journal of Pulp and Paper Science, vol. 36, no. 3-4, pp. 135-142.

    In-furnace measurement of sulphur and nitrogen species in a recovery boiler. / Vainio, Emil; Brink, Anders; DeMartini, Nikolai; Hupa, Mikko; Vesala, Hannu; Tormonen, Kauko; Kajolinna, Tuula.

    In: Journal of Pulp and Paper Science, Vol. 36, No. 3-4, 2010, p. 135-142.

    Research output: Contribution to journalArticleScientificpeer-review

    TY - JOUR

    T1 - In-furnace measurement of sulphur and nitrogen species in a recovery boiler

    AU - Vainio, Emil

    AU - Brink, Anders

    AU - DeMartini, Nikolai

    AU - Hupa, Mikko

    AU - Vesala, Hannu

    AU - Tormonen, Kauko

    AU - Kajolinna, Tuula

    PY - 2010

    Y1 - 2010

    N2 - There is a lack of experimental data on the gas composition in recovery boiler furnaces, particularly in the lower furnace and at the black liquor spraying level. Experimental determination of the gas composition in full-scale furnaces is important for the understanding of the kinetics of the gasphase reactions and the formation of different intermediates in the combustion process. The gas composition was measured in the furnace of a large recovery boiler using a new gas sampling method. The measurements were carried out from the primary air level to the upper tertiary cur level. The measurements were a part of an extensive campaign planned and carried out to support validation of models hosed on Computational Fluid Dynamics. This paper will focus on the sulphur and nitrogen species measured in the furnace and on the developed gas sampling probe. A number of reactive sulphur and nitrogen intermediates were identified and quantified in the measurements. Especially high concentrations of different intermediates were measured at the black liquor spraying level. Measured nitrogen and sulphur species include: nitrogen monoxide (NO), nitrogen dioxide (NO2), ammonia (NH3), hydrogen cyanide (HCN), hydrogen sulphide (H2S), sulphur dioxide (SO2), methyl mercaptan (CH3SH), ethyl mercaptan (C2H5SH), dimethyl sulphide ((CH3)(2)S), dimethyl disulphide ((CH3)(2)S-2), carbonyl sulphide (COS), and carbon disulphide (CS2). Some of these have not been reported before in full-scale measurements.

    AB - There is a lack of experimental data on the gas composition in recovery boiler furnaces, particularly in the lower furnace and at the black liquor spraying level. Experimental determination of the gas composition in full-scale furnaces is important for the understanding of the kinetics of the gasphase reactions and the formation of different intermediates in the combustion process. The gas composition was measured in the furnace of a large recovery boiler using a new gas sampling method. The measurements were carried out from the primary air level to the upper tertiary cur level. The measurements were a part of an extensive campaign planned and carried out to support validation of models hosed on Computational Fluid Dynamics. This paper will focus on the sulphur and nitrogen species measured in the furnace and on the developed gas sampling probe. A number of reactive sulphur and nitrogen intermediates were identified and quantified in the measurements. Especially high concentrations of different intermediates were measured at the black liquor spraying level. Measured nitrogen and sulphur species include: nitrogen monoxide (NO), nitrogen dioxide (NO2), ammonia (NH3), hydrogen cyanide (HCN), hydrogen sulphide (H2S), sulphur dioxide (SO2), methyl mercaptan (CH3SH), ethyl mercaptan (C2H5SH), dimethyl sulphide ((CH3)(2)S), dimethyl disulphide ((CH3)(2)S-2), carbonyl sulphide (COS), and carbon disulphide (CS2). Some of these have not been reported before in full-scale measurements.

    M3 - Article

    VL - 36

    SP - 135

    EP - 142

    JO - J-FOR: Journal of Science & Technology for Forest Products and Processes

    JF - J-FOR: Journal of Science & Technology for Forest Products and Processes

    SN - 1927-6311

    IS - 3-4

    ER -

    Vainio E, Brink A, DeMartini N, Hupa M, Vesala H, Tormonen K et al. In-furnace measurement of sulphur and nitrogen species in a recovery boiler. Journal of Pulp and Paper Science. 2010;36(3-4):135-142.