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Researcher

Siegfried Vlaeminck

  • Research interest  (University of Antwerp):In general:• Biological wastewater treatment • Resource recovery and reuse• Sustainable water treatment technology• Cleantech and environmental technology• Microbial biotechnologyMore specifically: • Microbial cleantech for a sustainable water cycle and food production chain• Nutrient removal and recovery • Microbial technology for resource-efficient nutrient management• Regenerative life support systems (RLSS) for human spaceflightMore detailed:"Clean, safe and cost-efficient"• Sustainable: resource efficient, low or positive in energy, minimum emission of greenhouse gases (e.g. N2O) • Low in undesirable trace contaminants/emerging pollutants• Mass/substance flow analysis (MFA/SFA), life cycle analysis (LCA), techno-economic assessment (TEA)"Microbial technology"• Nitrogen removal: mainstream and sidestream partial nitritation/anammox, nitritation/denitritation, S-based denitrification, thermophilic nitrification/denitrification, thermophilic anammox• Carbon capture: organics (high-rate activated sludge) and and CO2 (phototrophs)• Energy-positive sewage treatment• Production of liquid nitrate-based fertilizers through nitrification• Production of microbial protein for feed and food (single-cell protein) and slow-release fertilizers: microalgae, purple bacteria, aerobic heterotrophs• High-rate composting and delignification"To recover resources or treat waste and side streams, or to produce from renewable resources"• Cities (sewage, urine, black water), industry, agriculture (e.g. manure), aquaculture• Applications on Earth and in Space (regenerative life support systems, RLSS)
  • Keywords  (University of Antwerp):REGENERATIVE LIFE SUPPORT SYSTEMS, NUTRIENTS, SINGLE-CELL PROTEIN, WATER, MICROBIAL PROTEIN, WASTEWATER TREATMENT, INDUSTRIAL BIOTECHNOLOGY, WATER TREATMENT, SUSTAINABLE TECHNOLOGIES, ENVIRONMENTAL TECHNOLOGY, FOOD, Applied biological sciences, biotechnology
  • Disciplines  (University of Antwerp):Biological system engineering, Environmental engineering and biotechnology, Industrial biotechnology, Biotechnology for agriculture, forestry, fisheries and allied sciences, Food sciences and (bio)technology, (Waste)water treatment processes
  • Disciplines  (Ghent University):Biomechanical engineering, Industrial biotechnology, Environmental engineering and biotechnology, Biomaterials engineering, Biological system engineering, Other biotechnology, bio-engineering and biosystem engineering, Other (bio)medical engineering
  • Research techniques  (University of Antwerp):In the areas of wastewater treatment, biological nitrogen removal (anammox, nitrification, denitrification, nitritation, denitritation), activated sludge (high-rate and conventional), water production and/or quality assessment, production of microbial protein for feed/food (microalgae, purple bacteria, aerobic heterotrophs), fertilizers (solid organic, liquid nitrate-based, struvite), organic waste composting,… (further details in expertise section): • Independent consultancy to companies and government agencies• Impartial opinions for court cases• Lab tests, input and advice on: • Water quality analysis (standard parameters and micropollutants)• Biomass analysis: activity measurements (kinetics) and molecular characterization • Basic fertilizer characterization (e.g. struvite, organic fertilizers,…)• Nutritional characterization of biomass: protein, lipid, amino acids, fatty acids, digestibility,…• Toxicity tests and feasibility studies to treat effluents biologically• Quantification and mitigation of greenhouse and acidifying gas emissions (N2O, CH4, NH3,…)• Provision of active suspended and/or immobilized biomass• Inoculum cultivation and preservation• Raceway reactors for growth characterization of phototrophs (microalgae/purple bacteria) • Determination of mineralization rates of organic fertilizers• Aerobic biodegradability and degradation rate of organic waste (compostability in drum reactor)• Bioreactor development, design and control• Start-up and operation strategies for bioreactors• Mass/substance flow analyses (MFA/SFA)• Sustainability assessment through life cycle analysis (LCA)• Energetic potential and economic viability (techno-economic assessment, TEA)
  • Users of research expertise  (University of Antwerp):Companies, authorities and organisations active in the development, implementation, use and/or control of technology for the water cycle and/or food chain