Solid-liquid separation of plant-based material
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School of Chemical Engineering |
Master's thesis
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en
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78
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Abstract
This thesis studies the optimal filtration methods for separating Fermentation Broth (FB-01) from the liquid medium. The material under study is plant-based and contains a large amount of moisture content inside the particles. Experimental evaluations were focused on four separation techniques, namely pressure, vacuum, centrifugal filtration, and crossflow microfiltration. These separation techniques were studied in detail for solid/liquid separation, and various experiments were performed to find out the most effective technique. Additionally, to evaluate the filterability and characterize the sample FB-01, some of the key physical properties of FB-01, such as particle size, moisture content, density, and viscosity, were also measured. Results indicate that centrifugal filtration offers high separation efficiency and scalability for materials like FB-01. Furthermore, the study also revealed that applying pressure during filtration led to the disruption of the particles, which released the moisture trapped inside the particles. This effect contributed to improved dewatering efficiency, highlighting the potential of pressure, vacuum, and centrifugal filtration for optimizing the separation of such plant-based materials. These findings provide useful insights that are valuable for industrial solid-liquid separations involving complex plant-based structures.Description
Supervisor
Louhi-Kultanen, MarjattaThesis advisor
Pokki, Juha-PekkaSihvonen, Leena