Resource and Energy management

• Sewage and waste as an energy source

• Anaerobic technology (co-digestion, biogas, hydrogen production)

• Nutrient recovery

• Hybrid systems

• Energy optimization

• Life Cycle Assessment

River Basin Management

• Entry modeling

• Water quality

• Pollutants

• Matter Transport and Reactions

• Development measures

Urban Water Management

• Citydrainage

• Stormwater management

• Urban waters

• Matter transport, -retention and transformation in catchments

• Modeling

• Process development

Adepted Technologies

• Decentralised systems

• Rainwater harvesting

• Customized Water Supply

• Customized Sanitation

• Wastewater reuse

• Anaerobic systems

• Biogas technology

• Biofilm systems

Process Technology within Wastewater, Water and Solid Waste Treatment

• Nutrient Recovery ( Phosphorus: Crystallisation Technology, MAP Precipitation; Nitrogen: Ion Ex-change using Zeolites)

• Enhanced Wastewater Treatment (Precipitation, Flocculation, Phase Separation, Chemical Oxidation Processes)

• Application of Sophisticated Measurement Tools (Zeta Potential, Particle Size Distribution (PSD) and Settling Velocity)

• Concept Development for Industrial Wastewater and Leachate Treatment

• Characterisation of Organic Substrates for their Suitability as External Carbon Sources and their Gas Production Potential within Co-Digestion

• Quantification of the Co-digestibility of Solid and Liquid Organic Wastes

• Sewage Sludge Treatment, Conditioning and Valuable Matter Recycling

• Optimisation of Wastewater Chemical’s Application

• Energy Optimisation

• System Analysis, Supervision and Consulting of Plant Operators, Industry and Water Authorities

Left: Pre-treatment of biowaste for co-digestion (screens to separate floating and light density matter out of the pulper); Right: Zeolites of different proveniences and different particle sizes for the ammonia exchange process)

Biofilm Technology

• Rotating Biological Contactors (RBC) for Municipal and Industrial Wastewater Treatment

• Suspended Carrier Media (MBBR) to increase the Capacity of Activated Sludge Systems and to Unload the Secondary Clarifiers

• Biofilm Characterisation (Biofilm Thickness, Oxygen Profiles, Activity Tests)

• Simulation of Biofilm Systems