Nitrogen compounds in peat and wood gasification and gas combustion

Jukka Leppälahti, Pekka Ståhlberg, Pekka Simell

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review


    Contents of nitrogen compounds in the product gas of peat and wood gasification in fixed bed were measured at two gasification heating stations. A significant amount of ammonia, NH3, formed in peat gasification, whilst in wood gasification its amount was insignificant. Part of the fuel nitrogen was converted to hydrogen cyanide, HCN, which formed in wood gasification nearly as much as in peat gasification despite the higher nitrogen content of peat. The proportion of nitrogen bound in the organic compounds of tar in the total nitrogen of the fuel was significant. The moisture content of peat had no essential effect on the amounts of nitrogen compounds formed in the product gas. The output of the plant has only an insignificant effect on the amount of gas nitrogen compounds, whilst the effect on NOX emissions was stronger.
    Original languageEnglish
    Title of host publicationResearch in Thermochemical Biomass Conversion
    EditorsA.V. Bridgewater, J.L. Kuester
    Place of PublicationDordrecht
    ISBN (Electronic)978-94-009-2737-7
    ISBN (Print)978-94-010-7728-6
    Publication statusPublished - 1988
    MoE publication typeA4 Article in a conference publication
    EventCongress on Research in Thermochemical Biomass - Phoenix, United States
    Duration: 1 May 19886 May 1988


    ConferenceCongress on Research in Thermochemical Biomass
    Country/TerritoryUnited States


    • gasification


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