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 442364
Title Microalgal biofilms for wastewater treatment
Author(s) Boelee, N.C.
Source University. Promotor(en): Rene Wijffels, co-promotor(en): Hardy Temmink; Marcel Janssen. - [S.l. : S.n. - ISBN 9789461736666 - 213
Department(s) Bioprocess Engineering
Sub-department of Environmental Technology
Publication type Dissertation, internally prepared
Publication year 2013
Keyword(s) algen - biofilms - afvalwaterbehandeling - bioproceskunde - milieutechnologie - algenteelt - mineralenopname - biomassa productie - biobased economy - algae - waste water treatment - bioprocess engineering - environmental technology - algae culture - mineral uptake - biomass production
Categories Waste Water Treatment
Abstract The objective of this thesis was to explore the possibilities of using microalgal biofilms for the treatment of municipal wastewater, with a focus on the post-treatment of municipal wastewater effluent. The potential of microalgal biofilms for wastewater treatment was first investigated using a scenario analysis. Then biofilms were grown on wastewater treatment plant effluent in horizontal flow cells under different nutrient loads to determine the maximum uptake capacity of the biofilms for NO3 and PO4. Subsequently, microalgal biofilms were grown in a vertical laboratory-scale biofilm reactor. The effect of harvesting and biofilm thickness on the biomass production and nutrient removal was investigated. The biofilm reactor was taken outdoors and a vertical pilot-scale biofilm reactor was evaluated as post-treatment of municipal wastewater in a pilot-study. Finally, symbiotic microalgal-bacterial biofilms were investigated for full treatment of (pre-settled) wastewater.
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