Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 442588
Title Modeling microalgal flocculation and sedimentation
Author(s) Salim, S.; Gilissen, L.J.W.J.; Rinzema, A.; Vermuë, M.H.; Wijffels, R.H.
Source Bioresource Technology 144 (2013). - ISSN 0960-8524 - p. 602 - 607.
Department(s) Bioprocess Engineering
PRI BIOS Applied Genomics & Proteomics
Publication type Refereed Article in a scientific journal
Publication year 2013
Keyword(s) suspensions
Abstract In this study, a combined flocculation and sedimentation model is developed. The model predicts the time needed to reach a desired concentration of microalgal suspension in a sedimentation tank. The concentration of the particles as function of the time and the position in the tank is described. The model was validated with experimental data for Ettlia texensis. The concentration changes measured in time at different heights in the sedimentation vessel corresponded well with model predictions. The model predicts that it takes 25 h to reach a final concentration of 5.2 gDW L 1, when the initial concentration is 0.26 gDW L 1 and the tank height is 1 m. This example illustrates the use of this model for the design of the settling tank needed for pre-concentration of microalgal biomass before further dewatering.
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