A Mixer Based on Diffusion-Mixing Designed for the MAFIAS-Project

T.T. Veenstra, T.S.J. Lammerink, A. van den Berg, M.C. Elwenspoek

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

    Abstract

    The MAFIAS project (Micro Ammonia Flow Injection Analysis System) aims at the development of a monolithic micromachined flow injection analysis system for the detection of ammonia. From the applied chemistry, design restrictions for the micromechanical ammonia detection system are deduced. These restrictions involve the temperature control of the system at 37° C. Also the time available for the mixing of the compounds used in Berthelot’s method is restricted to less than 20 seconds. This last restriction calls for a mixer since the compounds itself would take at least three times as long to mix. A new type of mixer based upon diffusion is proposed. Theory for deriving the exact geometry for the mixer is deduced. With this mixer, the mixing time can be reduced to 2 seconds.
    Original languageEnglish
    Title of host publicationSensor technology in the Netherlands - state of the art
    Subtitle of host publicationproceedings of the Dutch Sensor Conference, 2-3 March, 1998, University of Twente, the Netherlands
    EditorsA. van den Berg, P. Bergveld
    Place of PublicationDordrecht
    PublisherKluwer Academic
    Pages263-267
    ISBN (Electronic)978-94-011-5010-1
    ISBN (Print)978-94-010-6103-2
    DOIs
    Publication statusPublished - 2 Mar 1998
    EventDutch Sensor Conference 1998: Sensor Technology in the Netherlands: State of the Art - University of Twente, Enschede, Netherlands
    Duration: 2 Mar 19983 Mar 1998

    Publication series

    NameMESA monographs
    PublisherKluwer Academic
    Volume2

    Conference

    ConferenceDutch Sensor Conference 1998
    Country/TerritoryNetherlands
    CityEnschede
    Period2/03/983/03/98

    Keywords

    • Ammonia
    • Phenol
    • Mixing
    • Diffusion

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