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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
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| one publication added to basket [226199] |
Harvesting microalgal biomass using a magnetically induced membrane vibration (MMV) system: filtration performance and energy consumption
Bilad, M.R.; Discart, V.; Vandamme, D.; Foubert, I.; Muylaert, K.; Vankelecom, I.F.J. (2013). Harvesting microalgal biomass using a magnetically induced membrane vibration (MMV) system: filtration performance and energy consumption. Bioresour. Technol. 138: 329-338. http://dx.doi.org/10.1016/j.biortech.2013.03.175
In: Bioresource Technology. Elsevier: Barking. ISSN 0960-8524; e-ISSN 1873-2976, meer
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| Author keywords |
Algae dewatering; Membrane fouling; Microalgae harvesting; Submerged filtration; P. tricornutum |
| Abstract |
This study was performed to investigate the effectiveness of submerged microfiltration to harvest both a marine diatom Phaeodactylum tricornutum and a Chlorella vulgaris in a recently developed magnetically induced membrane vibrating (MMV) system. We assess the filtration performance by conducting the improved flux step method (IFM), fed-batch concentration filtrations and membrane fouling autopsy using two lab-made membranes with different porosity. The full-scale energy consumption was also estimated. Overall results suggest that the MMV offers a good fouling control and the process was proven to be economically attractive. By combining the membrane filtration (15× concentration) with centrifugation to reach a final concentration of 25% w/v, the energy consumption to harvest P. tricornutum and C. vulgaris was, respectively, as low as 0.84 and 0.77 kW h/m3, corresponding to 1.46 and 1.39 kW h/kg of the harvested biomass. |
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