Condensate from a two-stage gasifier

Jens Dall Bentzen, Ulrik Birk Henriksen, Claus Hindsgaul

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    Abstract

    Condensate, produced when gas from downdraft biomass gasifier is cooled, contains organic compounds that inhibit nitrifiers. Treatment with activated carbon removes most of the organics and makes the condensate far less inhibitory. The condensate from an optimised two-stage gasifier is so clean that the organic compounds and the inhibition effect are very low even before treatment with activated carbon. The moderate inhibition effect relates to a high content of ammonia in the condensate. The nitrifiers become tolerant to the condensate after a few weeks of exposure. The level of organic compounds and the level of inhibition are so low that condensate from the optimised two-stage gasifier can be led to the public sewer.
    Original languageEnglish
    Title of host publicationProceedings of 1. World Conference and Exhibition on Biomass for Energy and Industry
    Place of PublicationSevilla, Spain
    Publication date2000
    Publication statusPublished - 2000
    Event1st World Conference and Exhibition on Biomass for Energy and Industry - Sevilla, Spain
    Duration: 5 Jun 20009 Jun 2000
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    Conference

    Conference1st World Conference and Exhibition on Biomass for Energy and Industry
    CountrySpain
    CitySevilla
    Period05/06/200009/06/2000
    Internet address

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