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    Bio-based Renewable Additives for Anti-icing Applications (Phase I)

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    Author
    Nazari, Mehdi Honarvar
    Havens, Eden Adele
    Shi, Xianming
    Muthumani, Anburaj
    Keyword
    Bio-based deicer
    ice-melting performance
    Portland cement mortar
    compressive strength
    asphalt binder
    stiffness
    m-value
    freezing-point
    friction coefficient
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    URI
    http://hdl.handle.net/11122/9585
    Abstract
    The performance and impacts of several bio-based anti-icers along with a traditional chloride-based anti-icer (salt brine) were evaluated. A statistical design of experiments (uniform design) was employed for developing anti-icing liquids consisting of cost-competitive chemicals such as bio-based compounds (e.g., sugar beet extract and dandelion extract), rock salt, sodium metasilicate, and sodium formate. The following experimentally obtained parameters were examined as a function of the formulation design: ice-melting capacity and ice penetration at 25°F (−3.9°C) and 15°F (−9.4°C), compressive strength of Portland cement mortar samples after 10 freezethaw/deicer cycles, corrosion rate of C1010 carbon steel after 24-hour immersion, and impact on asphalt binder’s stiffness. One viable formula (“best performer”) was tested for freezing point depression phase diagram (ASTM D1177-88) and the friction coefficient of asphalt pavement treated by this anti-icing formulation (vs. 23 wt.% NaCl) at a certain temperature near 25°F or 30°F after being applied at 30 gallons per lane mile (1 hour after simulated trafficking and plowing). Laboratory data shed light on the selection and formulation of innovative bio-based snow and ice control chemicals that can significantly reduce the costs of winter maintenance operations. This exploratory investigation contributes to more systematic study of optimizing “greener” anti-icers using renewable resources.
    Date
    2016-09-04
    Publisher
    Center for Environmentally Sustainable Transportation in Cold Climates
    Type
    Technical Report
    Collections
    CESTiCC Project Reports

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