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Viscosity Model of Microalgae Slurry with Non-Linear Regression


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DOI: https://doi.org/10.15866/ireme.v17i10.23820

Abstract


The viscosity of microalgae slurry is a crucial factor that significantly affects the design of industrial reactors for microalgae biofuel production. Generally, microalgae slurry exhibits a behavior similar to that of non-Newtonian or pseudoplastic fluid. This study has aimed to investigate and develop a viscosity model for microalgae slurry. The experimental data used have been collected from secondary data. In order to develop the viscosity model, a non-linear regression has been employed by using power law as the basis model. The results have showed that the viscosity of microalgae slurry has depended on mass fraction and temperature. This has indicated that the viscosity model as a function of mass fraction and temperature has reasonably predicted the secondary data with a 19% average mean deviation.
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Keywords


Microalgae; Slurry; Viscosity; Models; Non-Newtonian

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