Bachelor and Master Theses

The chair of Wastewater Technology offers students numerous opportunities and topics for Bachelor and Master theses. In the following you will find information about possible topics as well as information about already completed theses at the chair.

Offered Theses

Theoretical and practical theses are assigned upon request. An overview of the main research areas can be found in the respective profiles of our team . Postings of currently offered theses can be found in the staircase West 2nd floor or here:

Topic Supervisor Details
Development of a measuring method for the determination of the microbial composition in anaerobic anaerobic EGSB reactors Maro Atzorn PDF (opens in new tab)

Completed Student Theses

Below you will find a list of completed student theses.

2023

Topic Supervisor Thesis
Energy optimisation of wastewater treatment plants up to size class 3 (up to 10,000 PE) Nicolas Kaltwasser Bachelor Thesis
Mixing in different wastewater treatment processes using aeration systems Jana Trippel Bachelor Thesis
Treatment concepts of stormwater from separate sewage systems with the aim of water reuse Maro Atzorn Master Thesis
Optimisation of an activated sludge plant for the treatment of industrial wastewater on a laboratory scale – Use of a chemostat to improve the degradation of triacetonamine Peter Kuhn Master Thesis
Use of a membrane bioreactor for the treatment of vapour condensates from dairies Luisa Barkmann-Metaj Master Thesis
Investigation of the inhibitory effects of salts and intermediates in the fermentation of residual streams from the milk processing industry Luisa Barkmann-Metaj Master Thesis
Material flow analysis of wet-chemical phosphorus recycling from sewage sludge ash Peter Kuhn Master Thesis
Investigation and evaluation of measurement inaccuracies in the analysis of wet-chemical phosphorus recycling from sewage sludge ashes Peter Kuhn Master Thesis
Influence of various inert solids on oxygen transfer in fine-bubble aeration systems Jana Trippel Master Thesis
Septic tanks in Vietnam – function, treatment results, and dimensioning Maro Atzorn Master Thesis (VGU)
Investigation of the usage of membrane bioreactors for water reuse applications Maro Atzorn Master Thesis (VGU)

2022

Topic Supervisor Thesis
Influence of different growth bodies and filling levels on the oxygen input Jana Trippel Master Thesis
Influence of different salt contents on the oxygen input in the MBBR process Jana Trippel Bachelor Thesis
Optimization of leaching agent consumption in the redissolution of heavy metals from sewage sludge ashes during wet-chemical phosphorus recycling Peter Kuhn Bachelor Thesis
Removal of heavy metals from a wet-chemical process for
phosphorus recycling from sewage sludge ashes
Peter Kuhn Bachelor Thesis
Performance degrading effects of industrial chemicals on anaerobic granules – Evaluation of inhibitory effects during long-term operation Sinem Kale Master Thesis
Development and evaluation of measures for the operational stability of anaerobic reactors (lab-scale) under exposure of inhibitors Sinem Kale Master Thesis
Sources, pathways and distribution of industrial microplastics in the environment Luisa Barkmann Master Thesis
Sources and pathways of industrial microplastics – a critical review of the current state of research Luisa Barkmann Master Thesis
Evaluation of matrix effects and limits of quantification for the analysis of microplastics by differential scanning calorimetry Luisa Barkmann Bachelor Thesis
Microplastics analysis in solid media: evaluation of sampling, preparation and analysis Luisa Barkmann Bachelor Thesis
Development of standadized processes for the optimization of a wastewater treatment plant in chemical production Luisa Barkmann Bachelor Thesis
Purification of process water from thermal sewage sludge treatment using boron-doped diamond electrodes and biological processes on laboratory and pilot scale Tobias Blach Master Thesis
Treatment of process water from hydrothermal carbonisation using boron-doped diamond electrodes Tobias Blach Master Thesis
Evaluating and overcoming the nitrification-inhibiting effects of process waters from hydrothermal carbonization Tobias Blach Master Thesis
Developing operational concepts for the treatment of process water from dewatering anaerobically digested sewage sludge Tobias Blach Bachelor Thesis
Tertiary nitrogen removal using biofiltration in pilot scale Tobias Blach Master Thesis

2021

Topic Supervisor Thesis

Development of a technical water recycling concept
in a beverage can manufacturing company
Fabian-Hagen Leskow Master Thesis
Removal of microplastics from indrustrial wastewater with particular focus to membran technology Luisa Barkmann Bachelor Thesis
Identification and assessment of microplastic emissions into the environment through the sewage treatment plants in a Chemical Park Luisa Barkmann Master Thesis
Improving selectivity of nanofiltration by membrane modifications for micropollutant removal Fabian-Hagen Leskow Master Thesis
Purification of sludge liquors derived from thermal sewage sludge treatment using SCAS test and subsequent oxidation Tobias Blach Master Thesis
Development of a concept for the anaerobic treatment of industrial sewage sludge taking into account energy-rich production residues Tobias Blach Master Thesis
Improving membrane properties for micropollutant removal by grafting modifications Fabian-Hagen Leskow Master Thesis
Evaluation of zeta potential measurements to determine the particle behavior of microplastics in wastewater Luisa Barkmann Bachelor Thesis
Opportunities and limitations of the biochar produced by the hydrothermal carbonization of sewage sludge Tobias Blach Bachelor Thesis
Drinking water substitution by implementation of water treatment systems for service water use in existing infrastructure Maximilian Schwarz Master Thesis
Determination of parameters influencing the operation of Moving Bed Biofilm Reactor (MBBR) Jana Trippel Master Thesis
Comparison of methods for oxygen transfer testing and their measurement uncertainties Maximilian Schwarz Master Thesis
Origin and fate of heavy metals in municipal wastewater based on the example of Stadtentwässerung Frankfurt am Main Peter Kuhn Master Thesis

2020

Topic Supervisor Thesis
Drinking water substitution by implementation of water treatment systems for service water use in existing infrastructure Maximilian Schwarz Master Thesis
Opportunities and limitations of the biochar produced by the hydrothermal carbonization of sewage sludge Tobias Blach Bachelor Thesis
Evaluation of zeta potential measurements to determine the particle behavior of microplastics in wastewater Luisa Barkmann Bachelor Thesis
Purification of sludge liquors derived from thermal sewage sludge treatment using SCAS test and subsequent oxidation Tobias Blach Master Thesis
Development of a holistic wastewater treatment concept at the WWTP of Buriej in Gaza City with a cascade denitrification process in main-stream to optimize the treatment of process water Maximilian Schwarz Master Thesis
Design of a treatment plant for process waste water from polymer production Luisa Barkmann Master Thesis
Comparative assessment of centralised and decentralised wastewater and sewage sludge treatment processes in arid and humid areas Justus Behnisch Master Thesis
Investigations of high salt concentrations on the oxygen transfer of fine-bubble aeration systems at aerobic industrial wastewater treatment Justus Behnisch Master Thesis
Investigation of the oxygen transfer of different types of fine-bubble diffusers at high salt concentrations Justus Behnisch Bachelor Thesis
Effects of plastic particles on sum parameters for wastewater characterization Luisa Barkmann Bachelor Thesis
Identification and discussion of reaction mechanisms of hydrothermal processes for sewage sludge treatment Tobias Blach Bachelor Thesis
Evaluation of the inhibitory effects of various single substances and wastewater on nitrification of activated sludge Tobias Blach Bachelor Thesis
Technology comparison in process water treatment of PVC manufacturing industry Luisa Barkmann Master Thesis
Identification and assessment of microplastic emissions to the environment by two industrial wastewater treatment plants. Luisa Barkmann Master Thesis
Advanced wastewater treatment in the context of the European Water Framework Directive with focus on ammonium elimination Maximilian Schwarz Master Thesis
Performance of a membrane bioreactor in the context of advanced nitrogen and phosphorus elimination Johannes Rühl Master Thesis
Improving selectivity of nanofiltration by membrane modifications for micropollutant removal Fabian-Hagen Leskow Master Thesis
Sampling concepts for the determination of plastic emissions from industrial plants Luisa Barkmann Bachelor Thesis
Development of a concept for the anaerobic treatment of industrial sewage sludge taking into account energy-rich production residues Tobias Blach Master Thesis

2019

Topic Supervisor Theses
Characterization of waste activated sludge for estimating the potential of pre-treatment by thermal pressure hydrolysis Johannes Rühl Master Thesis
Comparison of various measuring principles of oxygen probes for oxygen transfer measurements Maximilian Schwarz Bachelor Thesis
Parameterization of laboratory reactors for UV/H2O2 oxidation processes
and development of a scale-up process
Sinem Kale Master Thesis
Comparison of systems for wastewater collection and transport to separate wastewater flows by the example of Qingdao, P.R. China Tobias Blach Master Thesis
Design and fluid-technical evaluation of tube modules with paper-based panel electrodes for use in bioelectrochemical systems Tobias Blach Master Thesis
Operation and comparison of continuously operated anaerobic reactors at lab-scale with and without addition of activated carbon Tobias Blach Master Thesis
Compilation of a status quo of the current situation of wastewater treatment in China Tobias Blach Bachelor Thesis
Measurement and evaluation of performance change of fine-pore diffusers for biological wastewater treatment Maximilian Schwarz Bachelor Thesis
Applications of membrane-supported capacitive deionization and electrodialysis in water reuse projects of the chemical-pharmaceutical industry Johannes Rühl Master Thesis
Treatment of vapour condensate for use in food processing industries using a dairy as an example Luisa Barkmann Master Thesis
Development of methods for determining microplastic loads on sealed surfaces Luisa Barkmann Bachelor Thesis
Investigation of plastics transportation with silo trucks as a source for microplastic in the environment Luisa Barkmann Bachelor Thesis
Characterization of liquid by-products from hydrothermal carbonization of municipal sewage sludge Tobias Blach Bachelor Thesis
Characterization of solids from hydrothermal carbonization of municipal sewage sludge Tobias Blach Bachelor Thesis
Characterization of reagents and products of hydrothermal carbonization of different municipal sewage sludges Tobias Blach Bachelor Thesis
Effects of varying total solids concentrations of a municipal sewage sludge on the products of hydrothermal carbonization Tobias Blach Bachelor Thesis
Comparison of different biomasses for the quantification of persistent organic carbon compounds by means of aerobic batch tests Tobias Blach Bachelor Thesis
Development of a measuring method for the determination of the specific methanogenic activity of anaerobic granules Sinem Kale Bachelor Theses
Investigations of the biological treatment of saline industrial wastewater – An comparison between membrane bioreactor and conventional activated sludge process Justus Behnisch Master Thesis
Evaluation of the thermal pretreatment of waste activated sludge by thermal pressure hydrolysis considering seasonal fluctuations in wastewater treatment plant operation Johannes Rühl Bachelor Thesis
Evaluation of the Energy Efficiency of Two-stage Wastewater Treatment Plants by Analysis of Operating Data Maximilian Schwarz Master Thesis
Function and measuring methods of extracellular substances in anaerobic granules Sinem Kale Bachelor Thesis