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  • Title: Measurement of rheological properties of corn stover suspensions.
    Author: Pimenova NV, Hanley TR.
    Journal: Appl Biochem Biotechnol; 2003; 105 -108():383-92. PubMed ID: 12721461.
    Abstract:
    Corn stover is currently being evaluated as a feedstock for ethanol production. The corn stover suspensions fed to reactors typically range between 10 and 40% solids. To simulate and design bioreactors for processing highly loaded corn stover suspensions, the rheologic properties of the suspension must be measured. In systems with suspended solids, rheologic measurements are difficult to perform owing to settling in the measurement devices. In this study, viscosities of corn stover suspensions were measured using a helical ribbon impeller viscometer. A calibration procedure is required for the impeller method in order to obtain the shear rate constant, k, which is dependent on the geometry of the measurement system. The corn stover suspensions are described using a power law flow model.
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