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David G. Weissbrodt
Delft University of Technology
ChemistrySewage treatmentSludgeBiologyWastewater
54Publications
15H-index
731Citations
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Publications 64
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#1Julius L Rombouts (TU Delft: Delft University of Technology)H-Index: 2
#2Elsemiek Madeleine Maria Kranendonk (TU Delft: Delft University of Technology)
Last. Mark C.M. van Loosdrecht (TU Delft: Delft University of Technology)H-Index: 8
view all 6 authors...
Lactic acid-producing bacteria are important in many fermentations, such as the production of biobased plastics. Insight in the competitive advantage of lactic acid bacteria over other fermentative bacteria in a mixed culture enables ecology-based process design and can aid the development of sustainable and energy-efficient bioprocesses. Here we demonstrate the enrichment of lactic acid bacteria in a controlled sequencing batch bioreactor environment using a glucose-based medium supplemented wi...
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#1Michele Laureni (ETH Zurich)H-Index: 4
#2David G. Weissbrodt (TU Delft: Delft University of Technology)H-Index: 15
Last. Adriano Joss (Eawag: Swiss Federal Institute of Aquatic Science and Technology)H-Index: 28
view all 10 authors...
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#1Abbas Alloul (University of Antwerp)H-Index: 3
#2Marta Cerruti (TU Delft: Delft University of Technology)H-Index: 1
Last. Siegfried E. Vlaeminck (University of Antwerp)H-Index: 26
view all 5 authors...
Purple non-sulfur bacteria (PNSB) show potential for microbial protein production on wastewater as animal feed. They offer good selectivity (i.e. uneven community with high abundance of one species) when grown anaerobically in the light. However, the cost of a closed anaerobic photobioreactor (PBR) is prohibitive for protein production. While open raceway reactors are cheaper, their feasibility to selectively grow PNSB is thus far unexplored. This study developed tools to boost PNSB abundance in...
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#1Marta Cerruti (TU Delft: Delft University of Technology)H-Index: 1
#2Berber Stevens (TU Delft: Delft University of Technology)H-Index: 1
Last. David G. Weissbrodt (TU Delft: Delft University of Technology)H-Index: 15
view all 6 authors...
Purple non-sulfur bacteria (PNSB), a guild of anoxygenic photomixotrophic organisms, rise interest to capture nutrients from wastewater in mixed-culture bioprocesses. One challenge targets the aggregation of PNSB biomass through gravitational separation from the treated water to facilitate its retention and accumulation, while avoiding the need for membranes. We aimed to produce an enriched, concentrated, well-settling, nutrient-removing PNSB biomass using sequencing batch regimes (SBR) in an an...
1 CitationsSource
#1Vojtech Kouba (Institute of Chemical Technology in Prague)H-Index: 4
#2Kamila Hurkova (Institute of Chemical Technology in Prague)H-Index: 3
Last. Jan Bartacek (Institute of Chemical Technology in Prague)H-Index: 16
view all 14 authors...
The application of partial nitritation-anammox (PN/A) under mainstream conditions can enable substantial cost savings at wastewater treatment plants (WWTPs), but how process conditions and cell physiology affect anammox performance at psychrophilic temperatures below 15 C remains poorly understood. We tested 14 anammox communities, including 8 from globally-installed PN/A processes, for (i) specific activity at 10-30 C (batch assays), (ii) composition of membrane lipids (U-HPLC-HRMS/MS), and (ii...
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#1Hussain Aqeel (Queen's University)H-Index: 1
#1H. Aqeel (Queen's University)H-Index: 1
Last. Steven N. Liss (RyeU: Ryerson University)H-Index: 28
view all 6 authors...
Microorganisms in natural and engineered environments interact with surfaces and form aggregates consisting of cells and an extracellular matrix. The design of the process and appropriate operational conditions drive the formation of these biofilms, flocs, and granular structures. The application of granular sludge technologies for nutrient removal is relatively new. Although research and practice benefit from several decades of investigation of biofilm and anaerobic granular sludge systems, a t...
1 CitationsSource
#1Christopher E. Lawson (UW: University of Wisconsin-Madison)H-Index: 6
#2William R. Harcombe (UMN: University of Minnesota)H-Index: 16
Last. Katherine D. McMahon (UW: University of Wisconsin-Madison)H-Index: 48
view all 13 authors...
Despite broad scientific interest in harnessing the power of Earth’s microbiomes, knowledge gaps hinder their efficient use for addressing urgent societal and environmental challenges. We argue that structuring research and technology developments around a design–build–test–learn (DBTL) cycle will advance microbiome engineering and spur new discoveries of the basic scientific principles governing microbiome function. In this Review, we present key elements of an iterative DBTL cycle for microbio...
4 CitationsSource
#1F.J. Rubio-Rincón (TU Delft: Delft University of Technology)H-Index: 5
#2David G. Weissbrodt (TU Delft: Delft University of Technology)H-Index: 15
Last. Damir Brdjanovic (TU Delft: Delft University of Technology)H-Index: 24
view all 9 authors...
Populations of “Candidatus Accumulibacter”, a known polyphosphate-accumulating organism, within clade IC have been proposed to perform anoxic P-uptake activity in enhanced biological phosphorus removal (EBPR) systems using nitrate as electron acceptor. However, no consensus has been reached on the ability of “Ca. Accumulibacter” members of clade IC to reduce nitrate to nitrite. Discrepancies might relate to the diverse operational conditions which could trigger the expression of the Nap and/or N...
1 CitationsSource
#1Rebeca Pallares-Vega (TU Delft: Delft University of Technology)H-Index: 1
#2Hetty Blaak (UU: Utrecht University)H-Index: 1
Last. Heike Schmitt (UU: Utrecht University)H-Index: 21
view all 8 authors...
Wastewater treatment plants (WWTPs), linking human fecal residues and the environment, are considered as hotspots for the spread of antimicrobial resistance (AMR). In order to evaluate the role of WWTPs and underlying operational parameters for the removal of AMR, the presence and removal efficiency of a selected set of 6 antimicrobial resistance genes (ARGs) and 2 mobile genetic elements (MGEs) was evaluated by means of qPCR in influent and effluent samples from 62 Dutch WWTPs. The role of poss...
3 CitationsSource
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