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    Rheological Characterization of Anaerobic Sludge from Agricultural and Bio‐Waste Biogas Plants

    New search for: Gienau, Tobias
    New search for: Kraume, Matthias
    New search for: Rosenberger, Sandra

    Anaerobic sludges taken from 16 different biogas plants were analyzed with respect to their rheological characteristics. All sludges showed temperature‐dependent shear‐thinning behavior with viscosities from 900 – 6000 mPa s at 20 °C. Nevertheless, the liquid fraction of the anaerobic sludges also revealed temperature‐dependent, shear‐thinning behavior with viscosities well above water viscosity (2 – 40 mPa s at 20 °C). The rheological behavior of the liquid phase could be linked to organic fractions, i.e., proteins and polysaccharides. Shear‐thinning and temperature‐dependent behavior was modeled by the power‐law equation and the Arrhenius law, respectively.

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    Rheological Characterization of Anaerobic Sludge from Agricultural and Bio‐Waste Biogas Plants

    New search for: Gienau, Tobias
    New search for: Kraume, Matthias
    New search for: Rosenberger, Sandra

    Anaerobic sludges taken from 16 different biogas plants were analyzed with respect to their rheological characteristics. All sludges showed temperature‐dependent shear‐thinning behavior with viscosities from 900 – 6000 mPa s at 20 °C. Nevertheless, the liquid fraction of the anaerobic sludges also revealed temperature‐dependent, shear‐thinning behavior with viscosities well above water viscosity (2 – 40 mPa s at 20 °C). The rheological behavior of the liquid phase could be linked to organic fractions, i.e., proteins and polysaccharides. Shear‐thinning and temperature‐dependent behavior was modeled by the power‐law equation and the Arrhenius law, respectively.

    Access

    Check access
    Check availability in my library
    Order at Subito €

    Rheological Characterization of Anaerobic Sludge from Agricultural and Bio‐Waste Biogas Plants

    New search for: Gienau, Tobias
    New search for: Kraume, Matthias
    New search for: Rosenberger, Sandra

    Anaerobic sludges taken from 16 different biogas plants were analyzed with respect to their rheological characteristics. All sludges showed temperature‐dependent shear‐thinning behavior with viscosities from 900 – 6000 mPa s at 20 °C. Nevertheless, the liquid fraction of the anaerobic sludges also revealed temperature‐dependent, shear‐thinning behavior with viscosities well above water viscosity (2 – 40 mPa s at 20 °C). The rheological behavior of the liquid phase could be linked to organic fractions, i.e., proteins and polysaccharides. Shear‐thinning and temperature‐dependent behavior was modeled by the power‐law equation and the Arrhenius law, respectively.

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    Title:

    Rheological Characterization of Anaerobic Sludge from Agricultural and Bio‐Waste Biogas Plants

    Contributors:

    Gienau, Tobias (author) / Kraume, Matthias (author) / Rosenberger, Sandra (author)

    Published in:

    Chemie Ingenieur Technik ; 90 ; 988-997

    Publication date:

    2018-07-01

    Size:

    10 pages

    ISSN:

    0009-286X , 1522-2640

    DOI:

    https://doi.org/10.1002/cite.201700102

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Anaerobic digestion , Non‐Newtonian fluids , Rheology , Ultrafiltration , Arrhenius correlation

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